Fukui Prefectural Government

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IPC Class
B29C 70/54 - Component parts, details or accessories; Auxiliary operations 5
D01D 11/02 - Opening bundles to space the threads or filaments from one another 4
B29B 15/12 - Coating or impregnating of reinforcements of indefinite length 2
B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs 2
B29K 307/04 - Carbon 2
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Status
Pending 2
Registered / In Force 16
Found results for  patents

1.

Braider and method of manufacturing flexible waveguide

      
Application Number 17750657
Grant Number 11693175
Status In Force
Filing Date 2022-05-23
First Publication Date 2022-09-08
Grant Date 2023-07-04
Owner
  • OLYMPUS CORPORATION (Japan)
  • FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Watanabe, Tadashi
  • Ito, Keigo
  • Suesada, Shinji
  • Murakami, Tetsuhiko

Abstract

A braider includes: a plurality of cylindrical bobbins around which flat foil yarns are wound so as not to be inverted; a plurality of carriers to which the bobbins are rotatably attached, the plurality of carriers being configured to feed out the flat foil yarns from the bobbins; a core material supply mechanism configured to supply a core material to be placed inside the outer conductor; a waveguide take-out mechanism configured to take out the flexible waveguide after the outer conductor is formed; and a carrier movement determination mechanism configured to determine movement of the carriers so that there are always three or more cross points formed by the individual flat foil yarns with other ones of the flat foil yarns in an enlarged portion before the flat foil yarns form a braided shape.

IPC Classes  ?

  • F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
  • G02B 6/02 - Optical fibres with cladding

2.

CONNECTION STRUCTURE OF WAVEGUIDE, WAVEGUIDE CONNECTOR, MODE CONVERTER, AND WAVEGUIDE UNIT

      
Application Number 17824034
Status Pending
Filing Date 2022-05-25
First Publication Date 2022-09-08
Owner
  • OLYMPUS CORPORATION (Japan)
  • FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Watanabe, Tadashi
  • Suesada, Shinji

Abstract

A connection structure of a waveguide includes a rod-like dielectric, and an outer conductor. A three-dimensional component includes a connection surface, an insertion hole, and a corner which forms an opening edge of the insertion hole over an entire circumference on the connection surface, the connection surface at least partially including a conductive region to which a connection enlarged portion of the outer conductor is connected, the insertion hole having conductivity over an entire circumference of an inner surface, the corner having conductivity and being conducted with the inner surface of the insertion hole. In a state where the waveguide and the three-dimensional component are connected with each other, the connection enlarged portion is electrically conducted with the inner surface of the insertion hole through electrical connection with the connection surface and the corner, and smooth connection is made at the corner.

IPC Classes  ?

  • H01P 5/08 - Coupling devices of the waveguide type for linking lines or devices of different kinds
  • H01P 3/12 - Hollow waveguides
  • H01P 3/16 - Dielectric waveguides, i.e. without a longitudinal conductor

3.

METHOD AND APPARATUS FOR MANUFACTURING A FORMED ARTICLE OF A COMPOSITE MATERIAL

      
Application Number 17630770
Status Pending
Filing Date 2021-03-17
First Publication Date 2022-08-25
Owner FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Kawabe, Kazumasa
  • Kaechi, Shin

Abstract

A method and apparatus for manufacturing a formed article of a composite material. The formed article is manufactured by heating and pressurizing a thermoplastic resin material and fabric material. The method includes a preforming process in which the material to be formed is put in a preforming mold with a release sheet arranged between the material and a part of the preforming mold. The material is heated and pressurized to impregnate the thermoplastic resin material into the fabric material, thus forming an impregnated intermediate material. Then, in a transport process the impregnated intermediate material in a heated state is taken out from the preforming mold with the release sheet left attached thereto, and transported. Finally there is a forming process in which the impregnated intermediate material is accommodated in the forming mold and the impregnated intermediate material is formed into the formed article of the composite material by pressurizing.

IPC Classes  ?

  • B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
  • B29C 70/54 - Component parts, details or accessories; Auxiliary operations
  • B29C 33/68 - Release sheets
  • B29C 33/04 - 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 using liquids, gas or steam

4.

Molding method and molding device for composite sheet

      
Application Number 16648281
Grant Number 11787086
Status In Force
Filing Date 2019-09-20
First Publication Date 2021-07-08
Grant Date 2023-10-17
Owner FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Kawabe, Kazumasa
  • Yamada, Kohei
  • Kondo, Keiichi
  • Iyo, Hirofumi
  • Kaechi, Shin

Abstract

A molding method for a composite sheet used for manufacturing a thermosetting resin prepreg sheet in which a thermosetting resin material is impregnated into a fiber sheet includes: bringing a resin transfer sheet in which the thermosetting resin material of a predetermined thickness is carried on one surface of a transfer sheet into contact with one surface of the fiber sheet to be stacked on the fiber sheet. The resin transfer sheet and the fiber sheet in the stacked state are subjected to a heating treatment or heating and pressurizing treatment. The resin transfer sheet and the fiber sheet in the heated and stacked state is subjected to a cooling treatment or cooling and pressurizing treatment so that the thermosetting resin material is transferred to the fiber sheet and the thermosetting resin material is made to adhere to one surface side of the fiber sheet.

IPC Classes  ?

5.

Thin-layer tape automated lamination method and device

      
Application Number 16648331
Grant Number 11597168
Status In Force
Filing Date 2019-10-03
First Publication Date 2021-07-08
Grant Date 2023-03-07
Owner FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Kawabe, Kazumasa
  • Yamada, Kohei
  • Kondo, Keiichi
  • Iyo, Hirofumi
  • Kaechi, Shin

Abstract

The present invention is intended to provide automated lamination method and device that can efficiently perform automated lamination by using a thin-layer tape. A thin-layer tape automated lamination device 1 includes a provisional formation unit 2 configured to form lamination tapes having thicknesses different from each other by laminating a plurality of thin-layer tapes each having a thickness of 5 μm to 80 μm, and a lamination-shaping unit 3 configured to laminate and shape each formed lamination tape in a lamination region of a basal body surface.

IPC Classes  ?

  • B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
  • B29C 70/34 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression
  • B29C 70/54 - Component parts, details or accessories; Auxiliary operations

6.

Method and an apparatus for producing a coil for electric apparatus

      
Application Number 17044138
Grant Number 11676760
Status In Force
Filing Date 2019-05-29
First Publication Date 2021-02-25
Grant Date 2023-06-13
Owner FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Sasaki, Yoshinori
  • Hashimoto, Masaki
  • Tanaka, Taiki
  • Sano, Hiroshi
  • Hashimoto, Yuichi

Abstract

A method for producing a coil for electric apparatus of the present invention is the method for producing a coil for electric apparatus for cutting spirally a block-shaped workpiece formed with a cylindrical portion corresponding to the coil in a circumferential direction of the cylindrical portion, the spiral coil is formed by turning a cutting means while moving it relatively to the workpiece from a part corresponding to one end of the coil to a part corresponding the other end of the coil along a machining line spirally set in the circumferential direction of the cylindrical portion. According to the invention, since the coil is formed by cutting the continuous cutting machining plane without generating a step in design from the block-shaped workpiece formed with a cylindrical portion corresponding to the coil using a wire-tool etc., it is possible to constitute a high-quality coil.

IPC Classes  ?

  • H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
  • H02K 15/04 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines

7.

Fiber width adjustment device, fiber width adjustment method and composite material molding method

      
Application Number 16600204
Grant Number 11548241
Status In Force
Filing Date 2019-10-11
First Publication Date 2020-06-18
Grant Date 2023-01-10
Owner
  • SUBARU CORPORATION (Japan)
  • FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Yasukochi, Natsumi
  • Koiwai, Kei
  • Uchiyama, Shigekazu
  • Kawabe, Kazumasa
  • Kondo, Keiichi
  • Iyo, Hirofumi

Abstract

According to one implementation, a fiber width adjustment device includes: a feeder and an adjuster. The feeder feeds a tape material in a length direction of the tape material. The tape material consists of fibers for a fiber reinforced resin after or before the fibers are impregnated with a resin. The adjuster has a path for the tape material. The path is formed by at least a bottom and a pair of wall surfaces. The interval of the wall surfaces decreased gradually. The width of the tape material which passed the path is changed by adjusting a part of the path. The tape material passes through the part of the path while contacting with the bottom and the wall surfaces.

IPC Classes  ?

  • B29C 70/38 - Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
  • B29B 15/12 - Coating or impregnating of reinforcements of indefinite length
  • D01D 11/02 - Opening bundles to space the threads or filaments from one another
  • B29C 70/54 - Component parts, details or accessories; Auxiliary operations

8.

Three-dimensional molding method

      
Application Number 16045028
Grant Number 10307964
Status In Force
Filing Date 2018-07-25
First Publication Date 2019-01-31
Grant Date 2019-06-04
Owner
  • Fukui Prefectural Government (Japan)
  • Matsuura Machinery Corporation (Japan)
Inventor
  • Morishita, Kazuyuki
  • Matsuda, Yuya
  • Midorikawa, Tetsushi

Abstract

A three-dimensional molding method in which a step of sintering a powder layer with a laser light or an electron beam after a flat surface has been formed by sliding of a squeegee against the powder layer is repeated in a prescribed number of times, and then the periphery is cut, in order to mold both the object 1 to be molded and a support structure 2 that supports the lower side of the object 1 from below and is intended to be removed after molding, wherein in the support structure 2, the upper parts of the struts connected to the object 1 to be molded employ truncated circular conic shapes or partial truncated circular conic shapes that are reduced in diameter toward the top.

IPC Classes  ?

  • B29C 41/02 - Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
  • B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
  • B29C 33/44 - 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 means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
  • B33Y 10/00 - Processes of additive manufacturing
  • B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
  • B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
  • B29K 105/00 - Condition, form or state of moulded material

9.

Coil unit arrangement device

      
Application Number 15741644
Grant Number 10693355
Status In Force
Filing Date 2016-06-29
First Publication Date 2018-07-26
Grant Date 2020-06-23
Owner FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Sasaki, Yoshinori
  • Tanaka, Taiki
  • Hashimoto, Masaki

Abstract

There is configured a coil unit arrangement device that forms an array coil group by arranging in a predetermined arrangement order each relevant coil of a coil unit in which a plurality of coils corresponding to a plurality of phases is connected by a jumper wire for each phase, the coil unit arrangement device including: a holding section provided with a rotatable coil unit support that supports the coil unit; and a receiving section provided with an array coil group support that supports the array coil group, the receiving section relatively turning with respect to the holding section.

IPC Classes  ?

  • H02K 15/04 - Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
  • H02K 3/18 - Windings for salient poles
  • H02K 1/14 - Stator cores with salient poles
  • H02K 1/16 - Stator cores with slots for windings
  • H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots

10.

Roll-bending processing method and processing device

      
Application Number 15327420
Grant Number 10525515
Status In Force
Filing Date 2015-08-04
First Publication Date 2017-06-08
Grant Date 2020-01-07
Owner FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Sasaki, Yoshinori
  • Matsumura, Masami

Abstract

A method for deriving the position of a pushing roll, applied even when there is a difference between the actual processed shape and a theoretical solution (a numerical analysis solution) due to changes in a state of a processing machine or the bending characteristic of the material to be processed. The rolls have a pyramid-like shape, and the operation amount of a pushing roll is changed while continuously feeding a material, thereby bending the material. Also, for each position of the fixed pushing roll, the radius of curvature of the material is measured and the bending characteristic is grasped in advance. From the design shape, the radius of curvature and the operation amount for bringing the pushing roll into contact are obtained. The operation amount of the pushing roll is then determined.

IPC Classes  ?

  • B21D 5/14 - Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
  • B21D 43/09 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material
  • B21D 5/00 - Bending sheet metal along straight lines, e.g. to form simple curves
  • B21D 7/12 - Bending rods, profiles, or tubes with programme control
  • B21D 5/08 - Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers

11.

Suction method, suction device, laser processing method, and laser processing device

      
Application Number 15127549
Grant Number 10456863
Status In Force
Filing Date 2015-03-23
First Publication Date 2017-05-18
Grant Date 2019-10-29
Owner FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor Ashihara, Masaaki

Abstract

An object is to provide a suction method and a suction device which depressurize the pressure of the surface of a target installed in an open system to a critical pressure or less and which thereby can suck it and a laser processing device and a laser processing method using these. In a state where a predetermined operating distance is apart from a target installed in an open system and a suction port, the pressure of an inside of a pressure reduction chamber communicating with the suction port is set equal to or less than a critical pressure at which the speed of a gas sucked from the suction port is brought into a critical state; the jet speed of the gas in a jetting port from which the gas is jetted toward the target is set more than a Mach number of 0.2, the Mach number being obtained by dividing a jet speed of the gas by the sound speed of the gas jetted from the jetting port, the gas is jetted from the jetting port and is sucked by the suction port; a swirl flow is formed so as to surround the suction port between the surface of the target and the suction port; and thus the pressure of a central region of the swirl flow from the suction port to the surface of the target is reduced to the critical pressure or less and suction is performed.

IPC Classes  ?

  • B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
  • B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
  • B23K 26/16 - Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
  • B08B 5/02 - Cleaning by the force of jets, e.g. blowing-out cavities
  • B08B 15/04 - Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
  • B23K 26/14 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
  • B23K 26/38 - Removing material by boring or cutting
  • B23K 26/40 - Removing material taking account of the properties of the material involved
  • B08B 5/04 - Cleaning by suction, with or without auxiliary action
  • B23K 103/04 - Steel alloys

12.

Matrix material

      
Application Number 14965390
Grant Number 09670356
Status In Force
Filing Date 2015-12-10
First Publication Date 2016-06-16
Grant Date 2017-06-06
Owner
  • HONDA MOTOR CO., LTD. (Japan)
  • FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Yoshida, Shuichiro
  • Kondo, Keiichi

Abstract

A matrix material for a carbon fiber-reinforced composite comprises a matrix resin as a resin component. The matrix resin contains both a first epoxy resin and a second epoxy resin or only the first epoxy resin, further contains a third epoxy resin, and has an average epoxy equivalent weight of 109 to 162. The first epoxy resin contains a polyfunctional glycidylamine-type epoxy resin. The second epoxy resin contains at least one of a p-aminophenol-type epoxy resin and a tetramethylbiphenol-type solid epoxy resin. The third epoxy resin contains a bisphenol A-type epoxy resin having a weight-average molecular weight of 8000.

IPC Classes  ?

13.

Method and device for opening fiber bundle

      
Application Number 14785063
Grant Number 09828702
Status In Force
Filing Date 2013-04-19
First Publication Date 2016-03-24
Grant Date 2017-11-28
Owner
  • FUKUI PREFECTURAL GOVERNMENT (Japan)
  • HOKUSHIN CO., LTD (Japan)
  • Shigeru Tomoda (Japan)
Inventor
  • Kawabe, Kazumasa
  • Tomoda, Shigeru
  • Koizumi, Kenshiro

Abstract

A method and a device for opening a fiber bundle, capable of performing a fluctuating operation, at a high speed, of pushing a part of a conveyed fiber bundle by a contact member into a stress state and then separating the contact member from the fiber bundle so as to temporarily relax the fiber bundle, and also capable of reducing damage to the fiber bundle. The device for opening a fiber bundle includes a conveying portion 5 for pulling out a fiber bundle Tm from a yarn feeding body 11 and conveying it in a fiber length direction, a fiber-opening processing portion 3 for opening the fiber bundle by moving a fiber in a width direction while bending the fiber by letting a fluid pass through the conveyed fiber bundle Tm, and a fluctuation imparting portion 4 for rotating a contact member 42 in a direction inclined with respect to a conveyance direction while bringing it into contact with the conveyed fiber bundle Tm and pushing a part of the fiber bundle Tm into a stress state, and then separating the contact member 42 from the fiber bundle Tm in the stress state so as to temporarily bring the fiber bundle Tm into a relaxed state.

IPC Classes  ?

  • D02J 1/18 - Separating or spreading
  • D02J 1/20 - Stressing or stress-relieving, e.g. by vibration or subjection to electrostatic stress or electric discharge
  • D01D 11/02 - Opening bundles to space the threads or filaments from one another
  • D04H 3/002 - Inorganic yarns or filaments
  • D04H 3/004 - Glass yarns or filaments
  • D04H 3/005 - Synthetic yarns or filaments
  • D04H 3/04 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles

14.

Laminated molded body

      
Application Number 14780357
Grant Number 09895867
Status In Force
Filing Date 2014-03-18
First Publication Date 2016-02-11
Grant Date 2018-02-20
Owner FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Kawabe, Kazumasa
  • Sasayama, Hideki
  • Kondo, Keiichi

Abstract

3, for example).

IPC Classes  ?

  • B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
  • B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
  • B32B 17/06 - Layered products essentially comprising sheet glass, or fibres of glass, slag or the like comprising glass as the main or only constituent of a layer, next to another layer of a specific substance
  • C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
  • B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
  • B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
  • B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
  • B32B 27/38 - Layered products essentially comprising synthetic resin comprising epoxy resins
  • B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents

15.

Method for producing molded article of fiber-reinforced plastic

      
Application Number 14570416
Grant Number 09999995
Status In Force
Filing Date 2014-12-15
First Publication Date 2015-06-25
Grant Date 2018-06-19
Owner
  • HONDA MOTOR CO., LTD. (Japan)
  • FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor
  • Yoshida, Shuichiro
  • Kondo, Keiichi

Abstract

A method for producing a molded article of a fiber-reinforced plastic include molding a fiber-resin mixture containing an inorganic reinforcing fiber and a thermosetting resin under heat and pressure. The elapsed time since the thermosetting resin reached a molding temperature at which a hardening reaction proceeds is measured, the loss angle δ of the thermosetting resin is measured in a dynamic viscoelasticity measurement, and the relationship between the elapsed time and the loss angle δ is evaluated to calculate the range of the elapsed time, within which the loss angle δ is 0.55 to 1.57 rad after the loss angle δ reached the maximum value, as the pressurization start range. The fiber-resin mixture is heated to the molding temperature and pressure application to the fiber-resin mixture is started within the pressurization start range, to obtain the molded article of the fiber-reinforced plastic.

IPC Classes  ?

  • B29C 70/54 - Component parts, details or accessories; Auxiliary operations
  • B29C 43/58 - Measuring, controlling or regulating
  • B29C 35/02 - Heating or curing, e.g. crosslinking or vulcanising
  • B29C 70/44 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
  • C08L 63/00 - Compositions of epoxy resins; Compositions of derivatives of epoxy resins
  • B29K 63/00 - Use of epoxy resins as moulding material
  • B29K 307/04 - Carbon
  • B29C 37/00 - Component parts, details, accessories or auxiliary operations, not covered by group or

16.

Reinforced thermoplastic-resin multilayer sheet material

      
Application Number 13486779
Grant Number 10322530
Status In Force
Filing Date 2012-06-01
First Publication Date 2012-10-25
Grant Date 2019-06-18
Owner FUKUI PREFECTURAL GOVERNMENT (Japan)
Inventor Kawabe, Kazumasa

Abstract

f) arranged in a predetermined direction in a sheet-like structure, and a thermoplastic-resin sheet material (41) joined to a surface of the reinforcing-fiber sheet material (31), and stitching them together with an integration thermoplastic-resin fiber tow (51) composed of the same material as the thermoplastic-resin sheet material (41). The reinforcing-fiber sheet materials (31) are stacked such that their reinforcing directions are multiaxial.

IPC Classes  ?

  • B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
  • B32B 5/12 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments characterised by the relative arrangement of fibres or filaments of adjacent layers
  • B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
  • B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
  • B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
  • B29C 43/14 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles in several steps
  • B29C 43/20 - Making multilayered or multicoloured articles
  • B29C 43/30 - Making multilayered or multicoloured articles
  • B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles
  • B29C 70/46 - Shaping or impregnating by compression for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
  • B29C 70/50 - Shaping or impregnating by compression for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
  • B29C 70/54 - Component parts, details or accessories; Auxiliary operations
  • B29C 70/20 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in a single direction, e.g. roving or other parallel fibres
  • B32B 7/08 - Interconnection of layers by mechanical means
  • B29C 33/10 - 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 venting means
  • B29C 43/46 - Rollers
  • B29K 101/12 - Thermoplastic materials
  • B29K 105/08 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
  • B29C 70/08 - Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, with or without non-reinforced layers
  • B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure

17.

Method for spreading fiber bundles, spread fiber sheet, and method for manufacturing a fiber-reinforced sheet

      
Application Number 13322365
Grant Number 09003619
Status In Force
Filing Date 2010-05-21
First Publication Date 2012-05-31
Grant Date 2015-04-14
Owner Fukui Prefectural Government (Japan)
Inventor Kawabe, Kazumasa

Abstract

i and the spread width can be expanded to a predetermined width so as to make the thickness uniform.

IPC Classes  ?

  • D01D 11/02 - Opening bundles to space the threads or filaments from one another
  • D02J 1/18 - Separating or spreading
  • C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material
  • D04H 3/002 - Inorganic yarns or filaments
  • D04H 3/04 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
  • D04H 3/12 - Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
  • B29B 15/12 - Coating or impregnating of reinforcements of indefinite length

18.

Method of producing a spread multi-filament bundle and an apparatus used in the same

      
Application Number 10559670
Grant Number 07571524
Status In Force
Filing Date 2004-07-07
First Publication Date 2006-06-29
Grant Date 2009-08-11
Owner Fukui Prefectural Governmant (Japan)
Inventor
  • Kawabe, Kazumasa
  • Tomoda, Shigeru

Abstract

A method of producing a spread multi-filament bundle and an apparatus is used in which an arbitrary number of multi-filament bundles of higher strength are simultaneously spread with high speed and a high-quality. A spread multi-filament bundle or sheet with the component monofilaments thereof aligned in parallel widthwise and uniformly distributed in density is produced. The respective multi-filament bundles fed from a yarn supplier or a creel are subjected to fluctuation of the tensile force applied thereto alternatively between tension and relaxation and the respective bundles as subjected to such fluctuation are passed in succession through a fluid flowing spreader.

IPC Classes  ?

  • D01D 11/02 - Opening bundles to space the threads or filaments from one another