A multi-piece solid golf ball includes a core, an intermediate layer, and a cover, in which the core is formed of a rubber composition, the intermediate layer and the cover are formed of a resin composition, and a specific gravity of the intermediate layer is set to at least 1.05, or a relationship among a core surface hardness, a surface hardness of an intermediate layer-encased sphere, and a ball surface hardness satisfies the following condition:
A multi-piece solid golf ball includes a core, an intermediate layer, and a cover, in which the core is formed of a rubber composition, the intermediate layer and the cover are formed of a resin composition, and a specific gravity of the intermediate layer is set to at least 1.05, or a relationship among a core surface hardness, a surface hardness of an intermediate layer-encased sphere, and a ball surface hardness satisfies the following condition:
ball surface hardnesscore surface hardness
and the core has a specific cross-sectional hardness profile,
thereby to have a superior distance on full shots with clubs from a driver to an iron, good durability on repeated impact, and good controllability in the short game when used by amateur users who are advanced players.
A golf ball includes a core, an intermediate layer, and a cover, in which an initial velocity is not more than 76.0 m/s, a deflection when the ball is compressed under a specific load is at least 2.8 mm, and letting a value of (initial velocity of core×weight of core) be Ciw, a value of [(initial velocity of intermediate layer-encased sphere−initial velocity of core)×(weight of intermediate layer-encased sphere−weight of core)] be Miw, and a value of [(initial velocity of ball−initial velocity of intermediate layer-encased sphere)×(weight of ball−weight of intermediate layer-encased sphere)] be CViw, the condition is of Ciw+Miw+CViw≤2,550 is satisfied, thereby to be capable of making a distance for reducing a distance on shots with a driver and an iron by average hitters smaller.
A tire according to the present invention is a tire in which blocks, sectioned by circumferential grooves and lug grooves, are formed in a tread face (10), in which the blocks have a plurality of sipes extending in a tire width direction. The plurality of sipes include a first sipe (18a), in which the first sipe (18a) is a sipe with a protrusion, having a protrusion (18ap) that protrudes from one sipe wall of the first sipe (18a) and extends in a sipe depth direction. The protrusion (18ap) in the first sipe (18a) has a length (Dp) of 1/2 or more of a sipe depth (Ds) in the sipe depth direction, and extends from the tread face (10) in the sipe depth direction.
A method executed by a computer, including: executing multiple times a first process of outputting question information to a user and acquiring response information from the user; executing a second process at least once while executing the first process multiple times; executing a third process of estimating a vehicle use and customer value for the user and specifying one or more tire products to recommend to the user based on two or more pieces of the response information acquired; and outputting information indicating the vehicle use and the customer value estimated and information regarding the one or more tire products specified. The second process includes determining a comprehension level of the user regarding a tire product, based on one or more pieces of the response information acquired, and determining question information to be output next time and thereafter, according to the comprehension level determined.
A tire including a decorative section provided to a base surface disposed at a tire side section. Plural first pattern areas are disposed along a tire circumferential direction in the decorative section, with each of the first pattern areas being configured including plural first asterisk protrusions and plural second asterisk protrusions having a height of from 0.05 mm to 1.0 mm from the base surface and disposed at a pitch of from 0.1 mm to 1.0 mm. Respective surface areas of the plurality of the first pattern areas disposed along the tire circumferential direction gradually decrease toward one direction side or toward both direction sides in the tire circumferential direction.
The purpose is to provide a resin composition that has good oil resistance and adhesiveness with rubber members and that has excellent durability. To solve this problem, the resin composition of the present invention contains a polyamide, an olefin elastomer, and a compound having a piperidine structure and is characterized in that the compound having a piperidine structure has a repeating unit containing a piperidine structure, the molecular weight is 1000-5000, and the content of the compound having a piperidine structure is 0.1-6 mass parts per 100 mass parts total content of the polyamide and the olefin elastomer.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
C08L 79/04 - Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
F16L 11/06 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with homogeneous wall
Provided is a method for manufacturing a non-pneumatic tire in which the peeling of a ring member from a tread member can be suppressed. A method for manufacturing a non-pneumatic tire (1) according to the present disclosure is a method for manufacturing the non-pneumatic tire (1) which comprises: a ring member (12) including an inner cylinder body (31), an outer cylinder body (32) surrounding the inner cylinder body (31) from the radial outer side thereof, and a coupling member (33) for coupling the inner cylinder body (31) and the outer cylinder body (32); and a tread member (13) having a cylindrical shape. Said manufacturing method is characterized by including: a step for inserting the tread member (13) into a cavity (102); a step for closing the cavity (102) by moving a movable side die (130) in the direction of a fixed side die (110); and a step for molding the ring member (12) by feeding a molten resin (R) into a space on the inner side of the tread member (13) in the tire diameter direction (B), wherein the outer diameter of the outer circumferential surface (tread surface (13a)) of the tread member (13) before the molding of the ring member (12) is smaller than the inner diameter of the inner circumferential surface (102a) of the cavity (102) facing the outer circumferential surface.
In a tire (1) of the present invention, a block includes at least three sipes that have at least one side, in a tire width direction, opening into a circumferential groove, and that extend in the tire width direction, wherein: the at least three sipes comprise first sipes (18a) and second sipes (18b); each first sipe (18a) is a linear perpendicular flask sipe which is provided with a linear portion that extends linearly when viewed in a tread footprint and that extends perpendicular from the tread footprint (10) in a sipe depth direction cross-sectional view, the linear perpendicular flask sipe exhibiting a flask shape having a widened portion on a sipe bottom side; and each second sipe (18b) is an undulating flask sipe which extends in an undulating shape having at least three peaks on at least one side when viewed in the tread footprint, and which exhibits a flask shape having a widened portion on the sipe bottom side in a sipe depth direction cross-sectional view.
A tire including plural large pattern areas disposed along a tire circumferential direction on a tire side section, each formed by recesses and protrusions, and partitioned by spaces that are smooth surfaces. The large pattern areas are each configured including a first pattern area and a second pattern area that is disposed adjacent to the first pattern area and that has a higher luminance than the first pattern area.
In a golf ball for professional golfers and skilled amateurs which has a single-layer core, a cover and at least one intermediate layer therebetween, the intermediate layer has a specific gravity of at least 1.05, the sphere the sphere obtained by encasing the core with the intermediate layer (intermediate layer-encased sphere) and the ball have a surface hardness relationship which satisfies the condition:
In a golf ball for professional golfers and skilled amateurs which has a single-layer core, a cover and at least one intermediate layer therebetween, the intermediate layer has a specific gravity of at least 1.05, the sphere the sphere obtained by encasing the core with the intermediate layer (intermediate layer-encased sphere) and the ball have a surface hardness relationship which satisfies the condition:
(surface hardness of intermediate layer-encased sphere)>(surface hardness of ball).
In a golf ball for professional golfers and skilled amateurs which has a single-layer core, a cover and at least one intermediate layer therebetween, the intermediate layer has a specific gravity of at least 1.05, the sphere the sphere obtained by encasing the core with the intermediate layer (intermediate layer-encased sphere) and the ball have a surface hardness relationship which satisfies the condition:
(surface hardness of intermediate layer-encased sphere)>(surface hardness of ball).
The core has a diameter of from 35.5 to 39.5 mm and a distinctive hardness profile that satisfies specific conditions. The ball is endowed with both an excellent flight performance and excellent durability to repeated impact.
A tire according to this disclosure includes a rib-like or block-like land portion in contact with a road surface. The land portion includes a plurality of sipes. The end portion of the sipe positioned on the earlier contact side in contact with the road surface earlier as the tire rotates is opened to the side wall of the land portion. The end portion of the sipe positioned on the later contact side in contact with the road surface lately as the tire rotates terminates in the land portion.
In a tire/rim assembly of the present invention: tire-side projecting portions that project inward in a tire radial direction are provided in at least a portion, in a circumferential direction, of an inner cylindrical body; through-holes penetrating through in a tire width direction are provided in the tire-side projecting portions; rim-side projecting portions that project inward in the tire radial direction of a flange portion are provided in at least a portion, in the circumferential direction, of a rim; hole portions positioned on an extension of the through-holes are provided in the rim-side projecting portions; and the tire-side projecting portions and the rim-side projecting portions are fixed to one another by means of fixtures that fit into the through-holes and the hole portions.
A tire/rim assembly according to the present invention is formed by assembling, to a rim having a flange section, a non-pneumatic tire comprising an inner cylindrical body, an outer cylindrical body surrounding the inner cylindrical body from the outer side in the tire radial direction, and an elastically-deformable connection member which connects the inner cylindrical body and the outer cylindrical body to each other, wherein: a protruding section, which protrudes further to the outside in the tire width direction than the end in the tire width direction on the tire radial direction-side end of the connection member, is provided to at least a circumferential portion of the inner cylindrical body; a recess section recessed to the outer side in the axial direction is provided to at least a circumferential portion of the flange section; and the protruding section fits the recess section.
In an elastic crawler with core metals having a configuration in which rollers arranged along a ground roll on a top surface of a guide protrusion, roller disengagement preventing protrusions respectively protrude in opposite directions of a crawler circumferential direction from a pair of guide protrusion bases of a core metal main body; the roller disengagement preventing protrusions protruding in the crawler circumferential direction to protrude to each other toward opposed core metal main bodies of adjacent core metals mesh each other in a crawler width direction; and ribs are formed that connect the roller disengagement preventing protrusions on a side of a core metal blade part among the roller disengagement preventing protrusions meshing each other in the crawler width direction and core metal blade parts.
Disclosed is a low-cost, flexible wire spiral reinforced rubber hose that does not cause bursting due to a pinhole, the wire spiral reinforced rubber hose comprising a hose body 10 including reinforcement layers 14, 16, 18, 20 formed by spirally winding wire bundles 31, 32, each including a plurality of metal wires 30 aligned adjacent to each other. The wire density of the metal wires 30 in the reinforcement layers 14, 16, 18, 20 is set at not less than 40% and not greater than 80%, and the wire bundle distance between adjacent wire bundles 31, 32 is set at not greater than 1 mm so as to achieve an appropriate wire density that provides moderate pressure resistance rather than high pressure resistance.
12 - Land, air and water vehicles; parts of land vehicles
18 - Leather and imitations of leather
25 - Clothing; footwear; headgear
35 - Advertising and business services
37 - Construction and mining; installation and repair services
41 - Education, entertainment, sporting and cultural services
Goods & Services
Automobiles and their parts and fittings; vehicle tires;
tires for passenger cars; tires for trucks; tires for buses;
tires for racing cars; tires for automobiles; retreaded
tires for passenger cars; retreaded tires for trucks;
retreaded tires for buses; retreaded tires for racing cars;
retreaded tires; retreaded tires for automobiles; inner
tubes for passenger cars; inner tubes for trucks; inner
tubes for buses; inner tubes for racing cars; inner tubes
for automobiles; wheels and rims for passenger cars; wheels
and rims for trucks; wheels and rims for buses; wheels and
rims for racing cars; wheels and rims for automobiles;
two-wheeled motor vehicles and their parts and fittings;
tires for two-wheeled motor vehicles; inner tubes for
two-wheeled motor vehicles; wheels and rims for two-wheeled
motor vehicles; bicycles and their parts and fittings; tires
for bicycles; inner tubes for bicycles; wheels and rims for
bicycles; aircraft and their parts and fittings; tires and
inner tubes for aircraft; adhesive rubber patches for
repairing tubes or tires; tread rubber for retreading tires
for vehicles; tread rubber for retreading tires for
passenger cars; tread rubber for retreading tires for
trucks; tread rubber for retreading tires for buses; tread
rubber for retreading tires for racing cars; tread rubber
for retreading tires for automobiles; tread rubber for
retreading tires for two-wheeled motor vehicles; tread
rubber for retreading tires for bicycles; tread rubber for
retreading tires for aircraft; treads used to retread tires
for tires of automobiles, two-wheeled motor vehicles,
bicycles and aircraft; preformed tire treads for tires of
automobiles, two-wheeled motor vehicles, bicycles and
aircraft; rubber patches for repairing treads for tires of
automobiles, two-wheeled motor vehicles, bicycles and
aircraft; mechanical elements for land vehicles; shaft
couplings or connectors, machine elements for land vehicles;
vessels and their parts and fittings; vehicle bumpers;
suspension shock absorbers for vehicles; suspension springs
for vehicles; tires for off-the-road automobiles,
two-wheeled motor vehicles and bicycles; off-the-road
vehicles and their parts and fittings; off-the-road
two-wheeled motor vehicles and bicycles and their parts and
fittings; tires for tractors; tires for agricultural
vehicles; tires for container handling vehicles; rubber
tracks for use with crawlers on snowmobiles; rubber tracks
for use with crawlers on all terrain vehicles; rubber tracks
for use with crawlers on automobiles; tires for lunar
rovers; tires for snow plows; cigar lighters for
automobiles. Bags; pouches; shopping bags; bags for sports; rucksacks;
travelling bags; handbags; wheeled shopping bags; net bags
for shopping; purses; school bags; bags (envelopes, pouches)
of leather for packaging; industrial packaging containers of
leather; umbrellas; parasols; card cases; key cases
(leatherware); vanity cases, not fitted. Clothes for sports; special footwear for sports; wind
jackets; wristbands; golf shoes; golf spikes; spiked golf
shoes; cyclists' suits of jerseys for racing; cyclists'
pants for racing; cyclists' overalls; clothing; golf
trousers; golf caps; golf shirts; golf pants; golf skirts;
jackets; jogging pants; sweat pants; trousers; overcoats;
raincoats; sweaters; sport shirts; camisoles; shirts;
undershirts; underpants; thermal underwear; vests;
opennecked shirts; polo shirts; neck scarves [mufflers];
socks; scarfs; gloves; gloves for bicycling; gloves for
cycling; neckerchieves; thermal supporters [clothing];
mufflers; ear muffs; hats; caps being headwear; visors;
sports shoes; walking shoes; shoes and boots [other than
special footwear for sports]; footwear [other than special
footwear for sports]; Japanese style coats [happi]; aprons. Retail services or wholesale services for automobiles, tires
and parts and fittings for automobiles; retail services or
wholesale services for sports goods; retail services or
wholesale services for bicycles and parts and fittings for
bicycles; business management and inventory management by
tracking the usage history of vehicle tires, and providing
information relating thereto; business management and
administration of subscription services in which customers
can receive various services such as rental, hire, leasing,
replacement, repair, inspection, maintenance, monitoring and
management of tires and vehicle parts, by periodic payment;
information, advice and consultancy provided in relation to
business management and administration of subscription
services in which customers can receive various services
such as rental, hire, leasing, replacement, repair,
inspection, maintenance, monitoring and management of tires
and vehicle parts, by periodic payment; administrative
processing of purchase orders and inventory of tires;
computerized database management in relation to tracking,
locating and monitoring vehicles or tires; business
management; business management services relating to
commercial fleet management; business management services
relating to vehicle performance management; business
management services relating to workforce management;
business information, advisory and consultancy services for
digital transformation; business information, advisory and
consultancy services relating to operation control,
logistics management, transportation and distribution
solutions, vehicle maintenance, and optimised driving costs. Repair and maintenance of automobiles and their parts, and
providing information, advice and consultancy relating
thereto; repair and maintenance of tires for automobiles,
and providing information, advice and consultancy relating
thereto; repair and maintenance of two-wheeled motor
vehicles and their parts, and providing information, advice
and consultancy relating thereto; repair and maintenance of
tires for two-wheeled motor vehicles, and providing
information, advice and consultancy relating thereto; repair
and maintenance of bicycles and their parts, and providing
information, advice and consultancy relating thereto; repair
and maintenance of tires for bicycles, and providing
information, advice and consultancy relating thereto; repair
and maintenance of tires for aircraft, and providing
information, advice and consultancy relating thereto;
aircraft repair and maintenance, and providing information,
advice and consultancy relating thereto; tire repair and
recapping services, and providing information, advice and
consultancy relating thereto; installation, maintenance and
repair of in-vehicle communication apparatus with telematics
functions and navigation apparatus for vehicles [with
telematics functions], including apparatus for transmitting
vehicle data, messages and information, and providing
information, advice and consultancy relating thereto;
installation, maintenance and repair of in-vehicle
communication apparatus with telematics functions for
locating, preventing theft and tracking vehicles, and
providing information, advice and consultancy relating
thereto; installation, maintenance and repair of navigation
apparatus for vehicles [with telematics functions] having
functions for locating, preventing theft and tracking
vehicles, and providing information, advice and consultancy
relating thereto; inspection of tires and vehicles prior to
maintenance and repair, and providing information, advice
and consultancy relating thereto; providing information,
advice and consultancy relating to maintenance of vehicle
tires based on inspection of tire pressure and tire
temperature via telecommunication; providing information,
advice and consultancy to consumers, tire dealers,
car-sharing service providers, and fleet managers relating
to tire retreading, tire repair and usage of tires, for tire
maintenance; retreading of tires, and providing information,
advice and consultancy relating thereto; consultancy,
information and inspection services relating to repair and
maintenance of tires and vehicles; inspection of tire
deflection prior to maintenance and repair, and consultancy,
providing information and advice relating thereto;
inspection of tires and vehicles prior to maintenance and
repair retreading of tires, and providing information,
advice and consultancy relating thereto; maintenance,
installation and replacement services provided in relation
to tires and vehicle parts, and providing information,
advice and consultancy relating thereto; rental of tires for
mining machinery, and providing information, advice and
consultancy relating thereto; repair, inspection,
installation, replacement, maintenance of aircraft including
tires and wheels for aircraft, and information, advice and
consultancy services relating thereto. Arranging and conducting of educational and cultural
classes; arranging and conducting of universal sports
events; arranging, conducting and organization of seminars;
organization, arranging and conducting of sports
competitions; conducting of auto races and providing
information about race results; organization, arranging and
conducting of auto races; organization of entertainment
events excluding movies, shows, plays, musical performances,
sports, horse races, bicycle races, boat races and auto
races.
18.
ADHESIVE COMPOSITION FOR ORGANIC FIBER, ORGANIC FIBER-RUBBER COMPOSITE, AND TIRE
Provided is an adhesive composition for organic fibers that has low burden on the environment, has good operability, and can improve the adhesion between an organic fiber and a coated rubber composition. The adhesive composition for organic fibers contains (A) rubber latex having unsaturated diene, (B) polypeptide, and at least one compound selected from the group consisting of (C) an aqueous compound having a (thermal dissociative blocked) isocyanate group, (D) an epoxide compound, and (E) polyphenol, where no resorcin is contained.
A method is provided for manufacturing golf balls having markings of excellent definition and durability printed on the surface thereof. The method includes the steps of:
(1) applying at least one treatment selected from the group consisting of corona discharge treatment, ultraviolet irradiation treatment, chlorine treatment and primer coating treatment to the surface of a golf ball;
(2) forming a sublayer at a place on the treated surface of the golf ball that corresponds to the marking; and
(3) forming the marking on the sublayer by inkjet printing.
B41J 3/407 - Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
This hydraulic actuator comprises: a cylindrical tube that expands and contracts in accordance with the pressure of a fluid; a sleeve that covers an outer circumferential surface of the tube and that, by expansion of the tube, widens the tube in the radial direction while limiting elongation in the axial direction S; a restricting member that is provided radially inward of the sleeve and from one side in the axial direction S to the other side, that resists compression along the axial direction, and that can deform in an intersecting direction X which intersects the axial direction; a first sealing member and a second sealing member which seal ends of the tube on the one direction side and the other direction side in the axial direction S; and a positioning member that is provided to part of the first sealing member and/or the second sealing member in the circumferential direction thereof, and that positions the restricting member such that the restricting member is along the axial direction.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
A golf ball made up of components such as a coating layer, a cover layer, an intermediate layer and a core includes, within such a component, a material that contains a phase-change material. The phase-change material is preferably normal paraffin having a melting point of between 5° C. and 40° C. and is preferably used in the form of microcapsules. This golf ball suppresses changes in the ball temperature itself in response to changes in the ambient air temperature during use of the ball, enabling the optimal properties that have been designed into the ball to be maintained.
The image processing device comprises: a position identification section for identifying positions of two reference points and a position of physical characteristic point of the subject in the moving image; an angle acquisition section for obtaining an angle of a line segment connecting the two reference points with respect to the image plane; a conversion ratio calculation section for calculating a conversion ratio indicating a ratio between the length in the moving image and the length in real space; and a coordinate calculation section for calculating position coordinates of at least one of: the two reference points and the physical characteristic point of the subject in the image plane in the real space, based on the calculated conversion ratio and at least one of: the identified positions of the two reference points and the identified position of the physical characteristic point of the subject.
A pneumatic tire including a center block row 21 provided in a center area of a tread surface 1, wherein the center block row includes a plurality of center blocks 210 arranged along a tire circumferential direction, the plurality of center blocks includes a plurality of first center blocks 211 and a plurality of second center blocks 212, the plurality of first center blocks and the plurality of second center blocks have polygonal shapes on the tread surface, the polygonal shape formed by each second center block has a same number of sides as, but a different shape than, the polygonal shape formed by each first center block, each first center block and each second center block has one or more sipes, and a number n of sipes included in each second center block is greater than a number m of sipes included in each first center block.
A pneumatic tire that includes a tread surface 1 including: two or more main grooves 3; and a pair of middle block rows 22, wherein one or more first middle blocks in the plurality of middle blocks each have a middle block inclined side wall surface 223 that faces an outer main groove in the pair of outer main grooves and that gradually inclines inwards in a tire radial direction as the middle block inclined side wall surface extends outwards in the tire width direction, and the middle block inclined side wall surface forms an acute angle θ223 of 30° to 50° with respect to a normal of the tread surface at an inner end in the tire width direction of the middle block inclined side wall surface.
In a pneumatic tire according to the present invention, a plurality of sipes and a plurality of shallow grooves are provided on the surface of a block so as to extend in one direction in the tire circumferential direction and extend in mutually opposite directions in the tire width direction. The depth of the shallow grooves is less than the depth of the sipes. An inclination angle θ1 of the sipes with respect to the tire circumferential direction is greater than 0° and less than 90°, an inclination angle θ2 of the shallow grooves with respect to the tire circumferential direction is greater than 0° and less than 90°, and the magnitude of the difference between the inclination angle θ1 and the inclination angle θ2 is 30° or less.
The purpose of the present invention is to provide a PET fiber-rubber composite that achieves excellent strength and excellent low rolling resistance when applied to a tire, without increasing the total fineness of cords or sheet thickness. In order to solve the abovementioned problem, a sheet-shaped PET fiber-rubber composite according to the present invention is obtained by coating PET fiber cords with a coating rubber and characterized by satisfying expression (1). (1): (A/B)/total cord fineness ≥ 0.3 A: cord strength (N) × fiber occupancy; fiber occupancy: cross-sectional area (mm2) of PET fiber cords / (thickness (mm) of composite × (diameter (mm) of PET fiber cords + inter-cord distance (mm) of PED fiber cords)). B: tan δ of coating rubber × rubber occupancy; rubber occupancy: 1 - fiber occupancy; total cord fineness: total of fineness of PET fibers constituting cords.
D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compounds; Such treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
D07B 1/16 - Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
The golf ball includes a core having an inner layer core and an outer layer core, a single-layered intermediate layer and cover, wherein the inner layer core is formed of a rubber composition, the intermediate layer and the cover are formed of a resin composition, and a relationship between an initial velocity of the inner layer core, an initial velocity of the entire core, an initial velocity of an intermediate layer-encased sphere, and an initial velocity of a ball satisfies the following conditions:
The golf ball includes a core having an inner layer core and an outer layer core, a single-layered intermediate layer and cover, wherein the inner layer core is formed of a rubber composition, the intermediate layer and the cover are formed of a resin composition, and a relationship between an initial velocity of the inner layer core, an initial velocity of the entire core, an initial velocity of an intermediate layer-encased sphere, and an initial velocity of a ball satisfies the following conditions:
(initial velocity of ball)<(initial velocity of intermediate layer-encased sphere)
The golf ball includes a core having an inner layer core and an outer layer core, a single-layered intermediate layer and cover, wherein the inner layer core is formed of a rubber composition, the intermediate layer and the cover are formed of a resin composition, and a relationship between an initial velocity of the inner layer core, an initial velocity of the entire core, an initial velocity of an intermediate layer-encased sphere, and an initial velocity of a ball satisfies the following conditions:
(initial velocity of ball)<(initial velocity of intermediate layer-encased sphere)
(initial velocity of intermediate layer-encased sphere)−(initial velocity of entire core)≤0.70 (m/s)
The golf ball includes a core having an inner layer core and an outer layer core, a single-layered intermediate layer and cover, wherein the inner layer core is formed of a rubber composition, the intermediate layer and the cover are formed of a resin composition, and a relationship between an initial velocity of the inner layer core, an initial velocity of the entire core, an initial velocity of an intermediate layer-encased sphere, and an initial velocity of a ball satisfies the following conditions:
(initial velocity of ball)<(initial velocity of intermediate layer-encased sphere)
(initial velocity of intermediate layer-encased sphere)−(initial velocity of entire core)≤0.70 (m/s)
(initial velocity of entire core)−(initial velocity of inner layer core)≥0.20 (m/s)
and a specific gravity of the intermediate layer and a deflection of the golf ball when compressed under a predetermined load are set within specific ranges.
Provided herein are organic solvent-based processes for the removal of rubber from non-Hevea plants such as guayule shrubs. By the use of the processes, solid purified rubber can be obtained that contains 0.05-0.5 weight % dirt, 0.2-1.5 weight % ash, and 0.1-4 weight % resin (when it has been dried so as to contain 0.8 weight % volatile matter).
An estimation device detects, with a detection unit, an electrical property between plural detection points in a conductive flexible material. An estimation unit uses the flexible material and a learning model to estimate the shape of an estimation target object based on the electrical property of the flexible material. The learning model is trained to use as learning data an electrical property that changes in a time series in response to deformation of the flexible material and shape information representing shapes, in the flexible material, of pressure stimuli that impart deformation to the flexible material and to receive the electrical property as input and to output the shape information.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
G01B 7/28 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
The present invention addresses the problem of providing: a crosslinked rubber in which the amount of metal oxide is reduced while also suppressing vulcanization reversion due to over-vulcanization; and a tire using said crosslinked rubber. Provided as a solution is a crosslinked rubber obtained by crosslinking a rubber composition that includes: a rubber component which includes not less than 65 mass% of a rubber that has an isoprene skeleton; a filler; at least one compound (A) selected from among quaternary ammonium salts, phosphates, guanidine-based compounds, sulfonium salts, and amine-based compounds; and a metal oxide. The filler is at least one selected from among carbon black and silica. The contained amount of silica is not less than 0 parts by mass but less than 20 parts by mass per 100 parts by mass of rubber component. The contained amount of the compound (A) is more than 0.5 parts by mass but not more than 2 parts by mass per 100 parts by mass of rubber component. The contained amount of metal oxide is not more than 4 parts by mass per 100 parts by mass of rubber component.
Provided is a technology for inhibiting the occurrence of uneven wear at shoulder-side edges of blocks in a motorcycle tire having a block pattern. A motorcycle tire (100) includes plural blocks (11) and (12) that are arranged on a tread ground-contact surface. In a tire widthwise cross-section of a tread portion (1), when regions obtained by bisecting a tread half-width region measured along the tire surface from a tire equator CL to a tread ground-contact end TE are each defined as a tread center portion Tc and a tread shoulder portion Ts, a middle block (12) among the plural blocks, whose outer wall surface (12A) on the tire width-direction outer side is positioned in the tread shoulder portion Ts, is configured such that an upper end portion is chamfered only for the outer wall surface (12A) and a chamfered part (12B) is thereby formed on the middle block (12).
This robot hand fingertip structure comprises: an elastic body that constitutes a robot hand fingertip portion; a mounting member that is inserted inside the elastic body and forms, on the cushion side of the finger, a gap between the mounting member and the inner surface of the elastic body; and a reception member which is provided on the tip portion of a finger main body of the robot hand and to which the mounting member is removably mounted.
A metal-rubber composite, comprising a metal and a rubber of which at least a portion is adhered to the metal, the composite is characterized in that: a ratio (C1/C2) of the total concentration (C1) of at least one metal element selected from the group consisting of bismuth, copper, antimony, silver, niobium, molybdenum, zirconium, and nickel in a region within 100 nm measured from an adhesion interface of the metal and the rubber toward the rubber side, with respect to the total concentration (C2) of at least one metal element selected from the group consisting of bismuth, copper, antimony, silver, niobium, molybdenum, zirconium, and nickel in a region between the 100 nm depth and the 200 nm depth, measured from the adhesion interface toward the rubber side, is 7.0 or larger.
B62D 55/24 - Tracks of continuously-flexible type, e.g. rubber belts
B65G 15/36 - Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric the layers incorporating ropes, chains, or rolled steel sections
A control device for a vehicle comprises: a communication section configured to receive first information from a sensor installed at a tire, and receive second information from a sensor installed at a vehicle body; and a controller configured to estimate a wheel load from the first information, estimate a vehicle weight from the second information, and control the vehicle based on one of the wheel load and the vehicle weight.
This robot hand fingertip structure comprises: an elastic body that constitutes a robot hand fingertip portion and has a cavity on the cushion side of the finger; an embedded member that is embedded in a portion opposite to the cavity of the elastic body; and a fixing member that is mounted on a finger main body of the robot hand and is removably mounted on the embedded member to fix the elastic body to the finger main body.
A method for forming a polymer-filler composite having advantageous bound filler content, the method comprising (a) providing a guayule cement; (b) introducing particulate filler to the guayule cement to form a solution masterbatch; and (c) desolventizing the solution masterbatch to form a polymer-filler composite.
A tire T01 comprises an RF tag 10, wherein the RF tag has a communication structure section 51 and a tag covering rubber section 50 that covers the communication structure section, the communication structure section comprises an antenna 2 and an exterior body 3 that accommodates a portion of the antenna, the exterior body has a side section recess 35 that is defined inside the exterior body, and a side end opening 36 that communicates with the side section recess and is formed on a side end edge of the exterior body, the antenna extends to the outside of the exterior body through the side section recess and the side end opening, and the tag covering rubber section is not completely filled in the side section recess.
This robot hand comprises: a cylindrical root actuator in which one side of the cylinder circumference is contracted and bent in a cylindrical axis direction through an increase in inner pressure in a cylinder; a frame member that is disposed in the cylindrical axis direction of the root actuator to support the root actuator, and that has an expansion/contraction part which expands and contracts following bending deformation of the root actuator; and a plurality of cylindrical finger actuators which are attached apart from each other in the extending direction of the root actuator so as to each be fixed to the frame member at one end and to each have the other end as a free end in such a manner as to extend in a direction intersecting the cylindrical axis and, in each of which, one side of the cylinder circumference is contracted and bent in the cylindrical axis direction through an increase in inner pressure in a cylinder.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
B25J 15/10 - Gripping heads having finger members with three or more finger members
B25J 15/12 - Gripping heads having finger members with flexible finger members
40.
STEEL WIRE MANUFACTURING METHOD AND STEEL CORD MANUFACTURING METHOD
Provided are a method for manufacturing a steel wire and a method for manufacturing a steel cord, in which initial adhesion to rubber and resistance to deterioration are excellent in steps that have low environmental impact. A steel wire and a steel cord manufactured according to these manufacturing methods are provided. The method for manufacturing a steel wire includes a step of applying brass plating to the circumferential surface of a steel wire, and then applying a wire drawing process, and a step of washing the surface of the steel wire after the wire drawing process with an aqueous solution containing an alkaline earth metal as a salt.
A method of forming a tread element is provided. The method includes forming, by a printer element of an additive manufacture assembly, a first layer of at least one material on a substrate. The first layer forms a tread element back side configured to couple to a tire casing. The method includes sequentially forming, by the printer element, a plurality of layers of the at least one material on the first layer across at least a portion of the tread element corresponding to a tread pattern. The plurality of layers defines a thickness of the tread element, and an outermost layer of the plurality of layers forms a tread element front side.
B29D 30/66 - Moulding treads on to tyre casings, e.g. non-skid treads with spikes
B29D 30/52 - Unvulcanised treads, e.g. on used tyres; Retreading
B33Y 30/00 - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING - Details thereof or accessories therefor
B33Y 80/00 - Products made by additive manufacturing
A method of treading a tire is provided. The method includes providing a tire casing and further includes providing a material for forming a tread element on the tire casing. The material is polymerizable. A first layer of the material is applied to the tire casing. A curing source is directed to at least a portion of the first layer. The curing source is configured to cure the material on the tire casing. At least a portion of the first layer on the tire casing is at least partially cured such that at least a portion of the first layer couples to a surface of the tire casing to form the tread element. Uncured material from the tire casing is removed by a removal process.
This robot hand comprises: a root actuator contracting in a cylinder axis direction; a frame member which extends in the cylinder axis direction and to which the root actuator is fixed; and a plurality cylindrical finger actuators which are attached to be spaced apart from each other in the cylinder axis direction of the root actuator so that one-side ends of the finger actuators are fixed to the frame member and the other-side ends serve as free ends, the finger actuators being curved toward one side in the arrow direction in response to an increase in the internal pressure of a cylinder. The frame member, in which a neutral line that maintains the distance between one end fixing section and the other end fixing section in the cylinder axis direction, and the cylinder axis of the root actuator are aligned side by side in an offset state, is curved and deformed according to contraction of the root actuator toward a bending direction where the inside is the opposite side to the neutral line with the cylinder axis of the root actuator therebetween.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
B25J 15/12 - Gripping heads having finger members with flexible finger members
A robot hand according to the present invention comprises: a cylindrical base actuator in which one side of the cylindrical periphery thereof contracts and curves in a cylinder axis direction in accordance with an increase in internal pressure inside the cylinder; a frame member that has a plurality of support members that support the base actuator and are individually separated along the cylinder axis direction of the base actuator, with adjacent support members moving relative to each other so as to form an angle following curved deformation of the base actuator; and a plurality of cylindrical finger actuators that are attached so as to be spaced apart in the extension direction of the base actuator such that one end of each finger actuator is fixed to the frame member and the other end is a free end, and are configured such that one side of the cylindrical periphery thereof contracts and curves in the cylinder axis direction in accordance with an increase in internal pressure inside the cylinder.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
B25J 15/10 - Gripping heads having finger members with three or more finger members
B25J 15/12 - Gripping heads having finger members with flexible finger members
A pneumatic tire according to the present invention comprises a tire main body including a tire side portion with an outer face constituted by a side-covering rubber, and a communication device embedded in the tire side portion of the tire main body. If a region in which the communication device is positioned in a tire radial direction and a tire circumferential direction of the tire side portion is defined as a device region, the outer face of the tire side portion protrudes in the device region, and the thickness of the side covering rubber is thinner in the device region than around the device region.
A pneumatic tire according to the present invention includes a tire main body, and a communication device that is embedded in the tire main body, or is attached to an inner face of the tire main body. The communication device includes a flat antenna, and the communication device is disposed such that an antenna in-plane direction that is orthogonal to a thickness direction of the flat antenna follows an outer face of the tire main body.
This tire model creation device comprises: a modeling unit that separately models both a case and a pattern representing a patterned tire using a spline function; a surface-connecting unit that connects a surface of a case model that is a model of the case and a surface of a pattern model that is a model of the pattern; a calculation point arrangement unit that arranges, on a connecting surface of the case model surface and the pattern model surface, calculation points for calculating a restoring force of the connecting surface; and a restoring force calculation unit that calculates the restoring force on the basis of the arranged calculation points.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer programs and software for managing information of
tires and vehicles. Inspection, consultancy and information services relating to
repair and maintenance of tires and vehicles; inspection,
consultancy and information services relating to retread of
tires. Providing computer programs for managing information of
tires and vehicles; technological analysis and consultancy
related to the choice, condition, maintenance, retreading
and replacement of vehicle tires; technological analysis and
consultancy related to the choice, condition, maintenance
and replacement of vehicle component parts, spare parts and
accessories.
In a golf ball having a core, an intermediate layer and a cover, the ball and the sphere obtained by encasing the core with the intermediate layer have respective surface hardnesses such that (surface hardness of ball)<(surface hardness of intermediate layer-encased sphere); the ball has an initial velocity of ≤75.0 m/s; and the core has a hardness profile in which the center hardness, the hardness at a midpoint between the core center and core surface, and the hardnesses at specific positions inward from the midpoint and at specific positions outward from the midpoint are optimized. Given the possibility that the rules limiting the distance traveled by a golf ball on shots by long hitters will change, this ball reduces the drop-off in distance on driver shots and iron shots taken by average hitters while increasing the drop-off in distance on driver shots taken by long hitters.
A road surface condition determination device (10) determines a condition of a road surface on which a vehicle is traveling, the road surface condition determination device comprising: a data acquisition unit (131) that acquires sound data collected by a data collection unit mounted to the vehicle and containing information relating to reflected sound of sound generated by the vehicle; and a determination unit (132) that determines the condition of the road surface on the basis of the presence or absence of a peak in a predetermined frequency range in the acquired sound data.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
52.
LAMINATE, METHOD FOR MANUFACTURING LAMINATE, AND TIRE
The present invention addresses the problem of providing a laminate having exceptional joining strength. As a solution to this problem, the present invention provides a laminate (1) comprising a rubber layer (2) that comprises vulcanized rubber, and a resin layer (3), the rubber layer (2) and the resin layer (3) being joined together, and the laminate being characterized in that the rubber layer (2) includes a surface-treated layer (4) on the surface that is joined to the resin layer (3), and the surface of the resin layer (3) that is joined to the rubber layer (2) is such that the ratio ((height of peak derived from (010) plane)/(height of peak derived from (100) plane)) of the height of a peak derived from a (010) plane in X-ray diffraction and the height of a peak derived from a (100) plane in X-ray diffraction is 1.1 or greater.
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 25/14 - Layered products essentially comprising natural or synthetic rubber comprising copolymers in which synthetic rubber constituents predominate
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer programs and software for managing information of
tires and vehicles. Inspection, consultancy and information services relating to
repair and maintenance of tires and vehicles; inspection,
consultancy and information services relating to retread of
tires. Providing computer programs for managing information of
tires and vehicles; technological analysis and consultancy
related to the choice, condition, maintenance, retreading
and replacement of vehicle tires; technological analysis and
consultancy related to the choice, condition, maintenance
and replacement of vehicle component parts, spare parts and
accessories.
54.
TIRE TRANSPORT MACHINE AND TIRE TRANSPORT MACHINE CONTROL METHOD
This tire transport machine comprises: a reading unit; a positioning unit; an output unit; and a control unit. The control unit is configured to: read, via the reading unit, tire identification information from an electronic tag placed on a tire to be transported by the tire transport machine; generate, via the positioning unit, position information about a location at which transport of the tire ended; and output, via the output unit, the tire identification information in association with the position information.
A tire information display system according to the present disclosure includes a reading device, a two-dimensional code generation device, and a two-dimensional code display device, wherein: the reading device is configured to read tire information from an electronic tag installed on a tire, and transmit the tire information to the two-dimensional code generation device; the two-dimensional code generation device is configured to generate a two-dimensional code from the tire information and transmit the two-dimensional code to the two-dimensional code display device; and the two-dimensional code display device is configured to display the two-dimensional code.
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
G06K 7/10 - Methods or arrangements for sensing record carriers by corpuscular radiation
Provided is a sulfur recycle system employing biomass and constructed industrially applicably. The sulfur recycle system, which employs biomass, is characterized by comprising: a desulfurization step in which biomass or treated biomass is desulfurized to remove sulfur-containing substances from the biomass or treated biomass; a recovery step in which sulfur is recovered from the desulfurization residue yielded in the desulfurization step; a processing step in which the recovered sulfur is processed into sulfur for vulcanization; a kneading step in which the sulfur for vulcanization is kneaded together with a polymer having double bonds; and a vulcanization step in which the polymer having double bonds is vulcanized.
This actuator curved inner length measurement device is for a fluid pressure actuator which includes a cylindrical actuator body part 22 that shortens and curves on one side of the cylinder circumference due to an increase in the internal pressure within the cylinder. In the actuator, the base end of a cylinder shaft is fixed to a base body and the leading end moves relative to the base body. The actuator curved inner length measurement device comprises: a wire member, one end of which is attached to the base body and an intermediate section of which is disposed on the curved side of the actuator body part so as to follow the bending deformation; a wire-holding member that holds the wire member in a position along the actuator body part; and a measurement unit that applies tension to the wire member and measures an amount of change in the length of the wire member.
G01B 5/02 - Measuring arrangements characterised by the use of mechanical techniques for measuring length, width, or thickness
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
58.
USE OF THIOL-FUNCTIONALIZED EPDM IN RUBBER COMPOSITIONS
Inclusion of a thiol-functionalized EPDM in a rubber composition provides to the EPDM an enhanced affinity for carbon black fillers. Relatively small amounts of sue thiol-functionalized EPDM in a rubber composition that includes at least one polymer which includes ethylenic unsaturation permits better dispersion of such fillers, resulting in vulcanizates that have improved performance properties, specifically, simultaneous improvements in hysteresis and resistance to crack growth.
The present invention addresses the problem of providing an organic fiber cord that can reduce environmental impact while maintaining physical properties at high temperatures. The solution to this problem is a hybrid cord containing at least two types of polyamide fibers, the hybrid cord being characterized in that at least one type of polyamide fiber among the polyamide fibers contains a component derived from biomass, and the average amide density of the hybrid cord is 10.5 or greater.
A sipe blade for molding a sipe, which is provided in a tire molding mold for molding a tire, the sipe blade being formed by overlapping a plurality of members that are made of a rolled material and that are individually formed to have a constant thickness.
A sipe blade which is implanted in a base mold and which molds a sipe in a tire is provided with a first blade molded by pressing a plate member and a second blade having a thickness greater than a thickness of the first blade. The second blade is provided with a contact portion which extends along an outer periphery of the first blade implanted in the base mold and with which one molding surface of the first blade comes in contact along a peripheral edge portion of the first blade, or provided with a fitting portion which accommodates the peripheral edge portion of the first blade and with which both molding surfaces of the first blade come in contact.
In a multi-piece solid golf ball having a core, an intermediate layer encasing the core and a cover which encases the intermediate layer and has numerous dimples on an outside surface thereof, the intermediate layer is formed of a resin material comprising an ionomer resin as a base resin and an inorganic granular filler, the cover is formed of a urethane resin material, the core has a diameter of at least 38.0 mm, the core has specific deflection, the sphere obtained by encasing the core with the intermediate layer (intermediate layer-encased sphere) has a surface hardness on the Shore D hardness scale of at least 69, the ball has a surface hardness on the Shore D hardness scale of 62 or less, and the (intermediate layer thickness)/(core diameter) value is from 0.025 to 0.043, the (cover thickness)/(core diameter) value is from 0.014 to 0.027.
A tire tread is provided. The tire tread includes a plurality of tread elements positioned on a tire tread surface so as to comprise a tread pattern. The tire tread also includes a plurality of grooves provided between the plurality of tread elements. A first set of sipes is provided to the tire tread, the first set of sipes extending from a longitudinal axis of the tire tread and toward a first edge of the tire tread at a first non-zero angle with respect to a lateral axis of the tire tread. A second set of sipes is also provided to the tire tread, the second set of sipes extending from the longitudinal axis and toward the first edge of the tire tread at a second non-zero angle with respect to the lateral axis, the second set of sipes intersecting the first set of sipes.
This pneumatic tire is equipped with a carcass comprising at least one carcass ply and extending toroidally between a pair of beads, wherein the carcass ply is one obtained by covering radially arranged carcass cords with a rubber. The pneumatic tire is equipped with a communication device including an antenna. The antenna has a portion where the wire extends while being repeatedly turned back at vertexes in directions orthogonal to the extending direction to form an arrangement of repetitions of a given shape along the extending direction, at least one of the vertexes being present at a position where the wire does not cross any of the carcass cords when viewed from a direction orthogonal to the surface of the pneumatic tire.
The present invention addresses the problem of providing a cord which can reduce an environmental load while maintaining physical properties at a high temperature. To solve the problem, provided is a hybrid cord characterized by containing a polyamide 4,10 fiber and a fiber A having an elongation at break of at most 7%.
The present invention addresses the problem of providing an organic fiber cord capable of reducing environmental impact while maintaining physical properties at high temperatures. The solution is a polyamide fiber cord, wherein the total content of biomass-derived carbon (bio-conversion rate) in the cord is at least 15%, and the heat shrinkage rate of the cord is 9.0% or less.
The pneumatic tire for passenger vehicles according to the present disclosure comprises a carcass consisting of plies of radially arranged cords, spanning toroidally between a pair of bead portions; the cross-sectional width SW and the outer diameter OD of the tire satisfy a given relationship; the land portion has a plurality of width direction sipes extending in the tire width direction; the pitch length in the tire circumferential direction of the plurality of width direction sipes is 3 mm to 10 mm; and the width direction sipe has a widened portion on the sipe bottom side where the sipe width is larger than that on the tread surface side.
Disclosed herein are a modified guayule resin product and related processes for preparing the modified guayule resin product. The modified guayule resin product comprises a mixture of argentatins having at least one functional group, wherein the at least one functional group is provided by a functionalizing compound selected from alkoxysilanes, mercaptosilanes and blocked mercaptosilanes. In a second embodiment, a process for preparing a modified guayule resin product is provided whereby a guayule resin component (comprising a mixture of argentatins) is mixed with a functionalizing compound selected from alkoxysilanes, mercaptosilanes and blocked mercaptosilanes to produce a modified guayule resin comprising functionalized argentatins having at least one functional group provided by the functionalizing compound.
Provided is an energy consumption estimation device (10) for estimating energy consumption of a vehicle (20), the energy consumption estimation device comprising a model generation unit (131) that generates a model for obtaining an objective variable from an explanatory variable. The model is a multiple regression model that includes the energy consumption of the vehicle as an objective variable, and includes vehicle travel information, vehicle load information, and vehicle tire information as explanatory variables. The model generation unit calculates a first coefficient associated with the vehicle tire information, using vehicle performance data indicating the objective variable with respect to the explanatory variables.
A tire state monitoring system comprises an acquisition device and a control device. The acquisition device is configured to repeatedly acquire a pressure and temperature inside a tire. The control device is configured to: calculate, based on ratios between the pressure and temperature acquired in a first period, a representative value of the ratios in the first period; and compare a ratio between the pressure and temperature acquired in a second period after the first period with the representative value, to determine whether the pressure inside the tire has dropped.
Provided with a tire temperature prediction unit 102 configured to calculate a predicted tire temperature at a specific time point based on a history of operation information of a vehicle (V1, etc.) mounted with tires (10a, etc.); a temperature tolerance calculation unit 104 configured to calculate a temperature tolerance at the specific time point; a determination unit 106 configured to determine whether or not the temperature tolerance is within a preset tolerance range; an information generation unit 202 configured to generate vehicle operation change information which changes operation of the vehicle when the determination unit 106 determines that the temperature tolerance is within the tolerance range; and a communication unit 201 configured to transmit the generated vehicle operation change information to the vehicle or to an external system 300 which manages the operation of the vehicle.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
G07C 5/04 - Registering or indicating driving, working, idle, or waiting time only using counting means or digital clocks
The present disclosure aims at providing an EPDM-containing rubber composition capable of exhibiting excellent adhesion to a metal member without necessitating inclusion of a cobalt salt of organic acid therein. Specifically, a rubber composition includes therein: a rubber component containing ≥20 phr of EPDM; a rubber-metal adhesion promoter; a vulcanization accelerator other than a thiuram-based compound; and no thiuram-based vulcanization accelerator, wherein the rubber-metal adhesion promoter contains a specifically formulated metal salt of aliphatic carboxylic acid.
Disclosed herein are methods for improving the rolling resistance of a tire rubber composition by providing a rubber composition including a rubber component which includes a majority by weight of guayule rubber where the guayule rubber includes a bagasse component, and a filler component where the filler component is free of silica, and including at least one silane in the rubber composition, where the at least one silane is selected from the group consisting of mercaptosilanes, blocked mercaptosilanes, and alkoxysilanes. Also disclosed is a tire rubber composition which comprises (a) 100 parts of a rubber component including a majority by weight of guayule rubber where the guayule rubber includes a bagasse component, (b) a filler component, where the filler component is free of silica, and (c) at least one silane selected from the group consisting of mercaptosilanes, blocked mercaptosilanes, and alkoxysilanes.
A rubber crawler 1 includes an endless crawler body 12 made of rubber, and a plurality of cores 13 embedded in the crawler body and arranged along the crawler circumferential direction, where at least a first projection on the crawler width direction first side in a pair of first projections of each core has a first recess R1 on a surface facing a second projection of another core of the surfaces on the two sides in the crawler width direction.
This pneumatic radial tire for a passenger vehicle is configured so that a tire cross-section width SW and a tire outer diameter OD satisfy a prescribed relationship. The carcass includes: a first tire width-direction section in which carcass cords are arrayed in the radial direction; and a second tire width-direction section in which the carcass cords extend inclined with respect to the tire circumferential direction. The second tire width-direction section is located in the tire width-direction half on the outer side of the tire when the same is mounted on the vehicle. Belt cords and carcass cords of a carcass body in the second tire width-direction section extend in directions intersecting one other as viewed from the tire radial-direction outer side.
B60C 9/07 - Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords curve from bead to bead in plural planes, e.g. S-shaped cords
B60C 5/00 - Inflatable pneumatic tyres or inner tubes
B60C 9/08 - Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords extend transversely from bead to bead, i.e. radial ply
B60C 9/17 - Carcasses asymmetric to the midcircumferential plane of the tyre
This pneumatic radial tire for passenger cars satisfies a given relationship between the cross-sectional width SW of the tire and the outer diameter OD of the tire, and the end of one tire-width-direction half of the carcass located on the inner side when the tire has been installed in a vehicle (the end of the carcass turned-back portion when the tire has a carcass turned-back portion) is located further toward the tire-radial-direction inside than the end of the carcass turned-back portion of the other tire-width-direction half, which is located on the outer side when the tire has been installed in the vehicle.
A pneumatic tire according to the present invention is provided with a carcass that comprises one or more carcass plies and that toroidally spans between a pair of bead sections. The carcass plies are formed by covering, with rubber, carcass cords that are arrayed in a radial configuration. The pneumatic tire is provided with a communication device having an antenna. The antenna has a portion in which a prescribed form is repeatedly arrayed at a pitch distance A (mm) in the extension direction of the antenna while reciprocating along a direction orthogonal to the extension direction. The carcass cords are arrayed at a pitch distance P (mm) in the tire circumferential direction at a tire radial direction position where the communication device is provided. The pitch distance A (mm) is greater than the pitch distance P (mm).
The run flat tire according to this disclosure comprises a tread portion, sidewall portions, bead portions, a side-reinforcing rubber, and a carcass. An inner liner is provided on the tire inner surface, and an inner layer rubber is disposed between the side-reinforcing rubber and the inner liner. In accordance with JIS K6270, when the dumbbell-shaped No. 8 specimens having 1 mm notch in a direction perpendicular to the direction of repeated tension at the center thereof are subjected to repeated tension at a frequency of 10 Hz under the conditions of 150° C., the number of repetitions until the specimen of the inner layer rubber fails is, in the range of 10% to 30% of the tensile strain applied, at least twice that of the side-reinforcing rubber, and in the reference condition, the ratio t2/t1 is 0.05 to 0.30.
B60C 17/00 - Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
B60C 17/06 - Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient
Provided is a desulfurized rubber capable of producing a crosslinked rubber having an excellent mechanical strength. The desulfurized rubber contains a solvent-soluble rubber component A having a weight-average molecular weight of more than 260,000 and less than 600,000, and a solvent-insoluble rubber component B, wherein the content ratio of the rubber component B is less than 45% by mass of the total mass of the content a of the rubber component A and the content b of the rubber component B.
The present invention provides a pneumatic radial tire for a passenger vehicle, wherein the cross-sectional width SW of the tire and the outer diameter OD of the tire satisfy a predetermined relationship, and a layered section arranged on the outer side of a belt in the tire radial direction and covering at least an end of the belt is provided only in one half in the tire width direction.
B60C 9/30 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers asymmetric to the midcircumferential plane of the tyre
B60C 3/04 - Tyres characterised by transverse section characterised by the relative dimensions of the section, e.g. low profile
B60C 9/07 - Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords curve from bead to bead in plural planes, e.g. S-shaped cords
B60C 9/17 - Carcasses asymmetric to the midcircumferential plane of the tyre
B60C 9/22 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
This pneumatic radial tire for passenger cars satisfies a given relationship between the cross-sectional width SW of the tire and the outer diameter OD of the tire, and the carcass has a first tire-width-direction portion, in which the carcass cords have been radially arranged, and a second tire-width-direction portion, in which the carcass cords extend obliquely to the tire circumferential direction. The second tire-width-direction portion is located in a tire-width-direction half that is on the inner side when the tire has been installed in a vehicle. In the second tire-width-direction portion, the carcass cords of the carcass main body and belt cords extend in such a direction that the carcass cords cross the belt cords when viewed from the outside along the tire radial direction.
B60C 9/17 - Carcasses asymmetric to the midcircumferential plane of the tyre
B60C 5/00 - Inflatable pneumatic tyres or inner tubes
B60C 9/07 - Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords curve from bead to bead in plural planes, e.g. S-shaped cords
The pneumatic tire for passenger vehicles according to the present disclosure comprises a carcass consisting of plies of radially arranged cords, spanning toroidally between a pair of bead portions; the cross-sectional width SW and the outer diameter OD of the tire satisfy a given relationship; the tire has a tread portion with tread rubber; the rubber gauge of the tread portion is 2 mm or more and less than 5 mm; and the tread surface of the tread portion has one or more land portions, and a width direction sipe extending in the tire width direction is formed in the land portion so that there are two or more of the width direction sipes in the contact patch.
In various embodiments, methods for extracting various constituents from Parthenium argentatum resin are disclosed. The methods begin with a nonpolar resin solution that is manipulated by polar solvent and water additions to precipitate low MW isoprene rubber and form separable aqueous polar and nonpolar liquid fractions, wherein the aqueous polar liquid fraction is rich in argentatins and the nonpolar liquid fraction is rich in guayulins. In other variations, an aqueous polar solvent is added to the nonpolar resin solution to directly produce a two-phase system. The extraction methods can be fully automated by using a continuous countercurrent liquid/liquid extractor.
The pneumatic radial tire for passenger vehicles according to the present disclosure comprises a carcass consisting of plies of radially arranged cords, spanning toroidally between a pair of bead portions; the cross-sectional width SW and the outer diameter OD of the tire satisfy a given relationship; the tire has a tread portion with tread rubber; the rubber gauge of the tread rubber is 2 mm or more and less than 5 mm; and the negative ratio of the tread surface of the tread portion is 20% or less.
The golf ball includes a core, an intermediate layer, and a cover, in which the core is formed of a rubber composition into a single layer or a plurality of layers, the intermediate layer and the cover are both formed of a single-layer resin composition, and a relationship between an initial velocity of the core, an initial velocity of a sphere (intermediate layer-encased sphere) in which the core is encased with the intermediate layer, and an initial velocity of a sphere (ball) in which the intermediate layer-encased sphere is encased with the cover satisfies the following two conditions:
The golf ball includes a core, an intermediate layer, and a cover, in which the core is formed of a rubber composition into a single layer or a plurality of layers, the intermediate layer and the cover are both formed of a single-layer resin composition, and a relationship between an initial velocity of the core, an initial velocity of a sphere (intermediate layer-encased sphere) in which the core is encased with the intermediate layer, and an initial velocity of a sphere (ball) in which the intermediate layer-encased sphere is encased with the cover satisfies the following two conditions:
(initial velocity of ball)<(initial velocity of intermediate layer-encased sphere)
The golf ball includes a core, an intermediate layer, and a cover, in which the core is formed of a rubber composition into a single layer or a plurality of layers, the intermediate layer and the cover are both formed of a single-layer resin composition, and a relationship between an initial velocity of the core, an initial velocity of a sphere (intermediate layer-encased sphere) in which the core is encased with the intermediate layer, and an initial velocity of a sphere (ball) in which the intermediate layer-encased sphere is encased with the cover satisfies the following two conditions:
(initial velocity of ball)<(initial velocity of intermediate layer-encased sphere)
0.60≤(initial velocity of intermediate layer-encased sphere)−(initial velocity of core)≤1.00 (m/s).
and the specific deflection is 3.00 mm or less, and a specific gravity of the intermediate layer is 1.05 or more.
In a bead core, metal cords are accumulated and formed in plural columns and plural columns, and the row direction length is formed greater than the column direction length; the metal cords are set in two or more columns from the third row of the metal cords on as counted from a tire radial direction outer end inward in the tire radial direction and excepting a tire radial direction innermost end; a length dimension of the bead core is set equal to or greater than twice a maximum width dimension of the bead core; the centroid of the bead core is positioned on the tire radial direction inner end side of the bead core relative to the lengthwise direction center portion of the bead core; a maximum width portion of the bead core is positioned from the second row of the metal cords on as counted from the tire radial direction inner end of the bead core outward in the tire radial direction; and the maximum width portion of the bead core is positioned from the second row of the metal cords on as counted from the tire radial direction outer end of the bead core inward in the tire radial direction.
An elastic crawler includes a plurality of elastic protrusion portions formed in a manner protruding on an inner circumferential face of a crawler main body, which is made of an elastic material and formed in an endless belt shape, at regular intervals in a crawler circumferential direction, and a resin cover member made of a resin material and covering a surface of each elastic protrusion portion, and the resin cover member covers the elastic protrusion portion to form a guide protrusion. In the elastic crawler, the resin cover member of the guide protrusion is put on the elastic protrusion portion to cover the surface of the elastic protrusion portion except a root portion 13r, and a reinforcing fiber part is embedded at least in the root portion of the elastic protrusion portion along a side face of the elastic protrusion portion.
A sipe forming assembly is provided. The sipe forming assembly includes a plunge cutting assembly, a leading roller assembly positioned upstream of the plunge cutting assembly, and a trailing roller assembly positioned downstream of the plunge cutting assembly. The plunge cutting assembly includes a blade and a linear actuator configured to actuate the blade to cut a sipe in a tire tread. The leading roller assembly includes a first leading roller and a second leading roller positionable relative to the first leading roller. The second leading roller and the first leading roller are configured to cooperate to clamp the tire tread between the first leading roller and the second leading roller. The trailing roller assembly includes a first trailing roller and a second trailing roller configured to cooperate to clamp the tire tread between the first trailing roller and the second trailing roller.
B29D 30/68 - Cutting profiles into the treads of tyres
B26D 1/00 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor
The present invention addresses the problem of providing an adhesive composition which can ensure desired adhesiveness without using resorcinol and retains intact applicability during use. The adhesive composition is characterized by comprising (A) a rubber latex having an unsaturated diene, (B) a compound containing an amide group and an amino group in the molecule, and (C) a water-compatible compound having a (heat-dissociable blocked) isocyanate group. Preferably, the adhesive composition further contains (D) a water-compatible ingredient having a plurality of phenolic hydroxy groups in the molecule and (E) one or more ingredients selected from the group consisting of polyvalent-metal salts.
D06M 13/152 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen having a hydroxy group bound to a carbon atom of a six-membered aromatic ring
The method for producing a tire is for obtaining a tire with an electronic device 6 attached to a tire side part and is characterized by including an electronic device placement step that uses a lower mold 32 and an upper mold 33 as a mold 31 for vulcanizing a green tire 20 and places an electronic device 6 on at least one of the lower mold 32, the upper mold 33, near the tire outer surface 20o of a tire side part 28 on a side that contacts the lower mold 32 of the green tire 20, and the tire outer surface 20o of a tire side part 28 on a side that contacts the upper mold 33 of the green tire 20, and a vulcanization step that sets the green tire 20 in the mold 31 and vulcanizes the green tire 20.
B29C 33/02 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor with incorporated heating or cooling means
B29C 33/12 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
B29C 35/02 - Heating or curing, e.g. crosslinking or vulcanising
Provided is a method for vulcanizing a tire rubber laminate whereby it is possible to uniformly vulcanize, by microwave irradiation, a tire rubber laminate in which an unvulcanized rubber layer and a vulcanized rubber layer are laminated. This method for vulcanizing a tire rubber laminate vulcanizes, by microwave irradiation, a tire rubber laminate in which an unvulcanized rubber layer and a vulcanized rubber layer are laminated, the method characterized in that the unvulcanized rubber layer contains diene-based rubber and carbon black, the vulcanized rubber layer contains diene-based rubber and carbon block, and a step is included for changing, during vulcanization, the frequency of the microwaves with which the tire rubber laminate is irradiated by a frequency change width selected from the range of greater than 0 Hz but less than or equal to 1000 Hz with each passing of a time interval selected from the range of greater than 0 μsec but less than or equal to 100 μsec, within a prescribed frequency range.
Provided is a method for vulcanizing a tire rubber composition that is capable of vulcanizing a tire rubber composition uniformly by microwave irradiation and intends to improve rubber strength. A method for vulcanizing a tire rubber composition that vulcanizes a tire rubber composition by microwave irradiation, wherein the method for vulcanizing a tire rubber composition is characterized in that the tire rubber composition contains a diene rubber and carbon black, the carbon black includes carbon black A having a nitrogen adsorption specific surface area of 50 m2/g or more, and the frequency of the microwaves with which the tire rubber composition is irradiated is varied by a frequency equal to a frequency variation width selected from a range of more than 0 Hz to 1000 Hz every time a time interval selected from a range of more than 0 μsec to 100 μsec elapses during vulcanization.
Provided is a vulcanization method capable of uniformly vulcanizing a rubber composition by microwave irradiation. The present invention is a vulcanization method for vulcanizing a rubber composition that contains a diene rubber and carbon black by irradiation with microwaves, said vulcanization method being characterized in that the frequency of the microwaves irradiating the rubber composition is changed by only a frequency width selected from the range of more than 0 Hz but not more than 1000 Hz each time a time interval selected from the range of more than 0 μsec but not more than 100 μsec elapses.
A rubber composition, contains a rubber component, a filler, and a resin, wherein: the rubber component contains natural rubber, a high-Tg modified styrene-butadiene rubber, and a low-Tg modified styrene-butadiene rubber having a lower glass transition temperature (Tg) than the high-Tg modified styrene-butadiene rubber; both ends of the high-Tg modified styrene-butadiene rubber have been modified and at least one end thereof has been modified with an alkoxysilane; one end of the low-Tg modified styrene-butadiene rubber has been modified with an alkoxysilane; and a mass ratio of the high-Tg modified styrene-butadiene rubber (high-Tg modified SBR) content with respect to the low-Tg modified styrene-butadiene rubber (low-Tg modified SBR) content, i.e., high-Tg modified SBR content/low-Tg modified SBR content, is larger than 1.
Provided is a pneumatic tire including: a pair of bead cores embedded in a pair of bead portions; and a carcass including one or more carcass plies extending in a toroidal form between the pair of bead cores, wherein bead fillers are disposed on an outer side in a tire radial direction of the bead cores, rubber chafers are provided on an outer side in a tire width direction of the bead fillers, and when a storage modulus of the bead fillers is E1′, and a storage modulus of the rubber chafers is E2′, the ratio E2′/E1′ satisfies 0.4≤E2′/E1′≤1.
A functionalized macromolecule includes a hydrogenated interpolymer portion, a non-hydrogenated polymer portion, and the radical of a functional coupling agent covalently bonded to and linking those portions. The functional group of the coupling agent exhibits interactivity with silica. The interpolymer can include vinyl aromatic mer and conjugated diene mer, with at least some of the latter, typically at least 50 mole percent, having been hydrogenated.
Provided is a method of vulcanizing a rubber laminate for a tire in which a rubber laminate for a tire obtained by laminating an unvulcanized rubber layer and a vulcanized rubber layer is uniformly vulcanized by microwave irradiation, which makes it possible to improve rubber strength. This method for vulcanizing a rubber laminate for a tire, in which a rubber laminate for a tire is obtained by laminating an unvulcanized rubber layer and a vulcanized rubber layer is vulcanized by microwave irradiation, is characterized in that the unvulcanized rubber layer contains a diene rubber and carbon black, the vulcanized rubber layer contains a diene rubber and silica, the amount of the silica in the vulcanized rubber layer is 10 parts by mass or more per 100 parts by mass of the diene rubber, and during vulcanization, the frequency of the microwaves irradiated onto the rubber laminate for a tire is varied within a range of frequency variation selected from the range of greater than 0 Hz and at most 1,000 Hz each time a time interval selected from the range of greater than 0 μsec and at most 100 μsec elapses.
Provided is a pneumatic tire including: a pair of bead portions; and a carcass including one or more carcass plies of radially arranged cords that extend in a toroidal form between the pair of bead portions, wherein a reinforcing member is provided so as to extend at an angle with respect to a tire radial direction in an area including a tire maximum width position of the pneumatic tire that stretches in the tire radial direction on an outer side in a tire width direction of the carcass in a reference state.
