A cap for a container comprises an end wall (4), a skirt (2) which extends about an axis (Z) and a corner zone (5) interposed between the end wall (4) and the skirt (2). The corner zone (5) comprises a first wall portion (6) which projects from the skirt (2) towards the inside of the cap (1) and a second wall portion (7) which protrudes from the end wall (4) and is joined to the first wall portion (6). The first wall portion (6) and the second wall portion (7) define a step on a surface of the corner zone (5) facing towards the outside of the cap (1; 101). The cap (1) further comprises an annular sealing lip (8) which extends towards a free edge (30) of the skirt (2) from a region in which the first wall portion (6) is joined to the second wall portion (7). The annular sealing lip (8) is delimited by an inner surface (9) configured to engage with an outer lateral surface of a neck (31) of the container.
B65D 41/32 - Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
B65D 41/34 - Threaded or like caps or cap-like covers
2.
MOULD FOR THE PRODUCTION OF CLOSURES IN COMPRESSION MOULDING MACHINES
A mould (11) for the production of closures with tear-off membrane in a compression moulding machine (1), comprises: a male die element (2) including a first abutment surface (21A) and a female die element (3) movable relative to each other along a moulding orientation (S). The mould (11) is positionable between a closed configuration, in which the male die element (2) and the female die element (3) are in contact with each other, and an open configuration, in which the male die element (2) and the female die element (3) are spaced apart. The female die element (3) includes: a first block (31), a second block (32) and a third block (33), aligned with each other and movable along the moulding orientation (S); a first spring (313), interposed between the first block (31) and the second block (32); a second spring (323), interposed between the second block (32) and the third block (33) and configured to apply an opening force (FAL) along the moulding orientation (S). The first spring (313) is configured to apply a closing force (FAV) along the moulding orientation (S) to keep the second block (32) and the first block (31) in contact with each other when no other forces are applied.
B29C 43/08 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable with circular movement
An apparatus (1) and a method for optical inspection of parisons (2) made of thermoplastic material comprises: a conveyor (3) comprising a pair of lateral, under-flange guides 31A for holding each parison by its flange, and configured to transport the parisons (2) in succession along an inspection path; an inspection station (41, 42, 43, 51, 52), located along the inspection path and including at least one inspection camera (410, 411, 412, 413, 421, 431, 510, 511, 520, 521, 522), configured to capture image data of a parison (2) positioned in the inspection station (41, 42, 43, 51, 52), wherein the conveyor (3) has a first operating configuration for transporting parisons (2) of a first size and a second operating configuration for transporting parisons (2) of a second size, different from the first size, the conveyor (3) including at least one adjustment actuator (7), configured to move the conveyor (3) between the first and the second operating configuration.
B65G 51/03 - Directly conveying the articles, e.g. slips, sheets, stockings, containers or workpieces, by flowing gases over a flat surface or in troughs
4.
METHOD AND APPARATUS FOR PRODUCING A DISPENSING PART OF A CONTAINER, AND DISPENSING PART OF A CONTAINER
A method comprises in sequence the steps of: dispensing a continuous polymeric extrudate (8) in a molten state; separating from the continuous extrudate (8) a dose (14) substantially having the shape of a parallelepiped, the dose (14) having a separation surface (65) at which the dose (14) has been separated from the continuous extrudate (8), the dose (14) further having a face (22) adjacent to the separation surface (65); conveying the dose (14) towards a mould (11) comprising a first mould part (23) and a second mould part (24); shaping the dose (14) in the mould (11) by moving the first mould part (23) and the second mould part (24) one towards the other in a moulding direction (Y) arranged transversally to said face (22), thereby obtaining a dispensing part (2; 102) of a container. The dispensing part (2; 102) comprises: an edge zone (3; 103) suitable for being joined to a container body; a neck (4; 104) surrounding a passage (50) through which a product contained in the container can be dispensed; a membrane (43; 143) which closes the passage (50), the passage (50) being intended to be opened after the shaping step, so that said product can flow out.
B29C 43/08 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable with circular movement
B29C 43/20 - Making multilayered or multicoloured articles
B65D 35/10 - Body construction made by uniting or interconnecting two or more components
B65D 35/12 - Connections between body and closure-receiving bush
An apparatus (1) for inspecting an object, where the object is made up of a first layer of plastic material and a second layer of EVO or EVOH and has a base wall (A) and a side wall (B) which is inclined relative to the base wall (A), comprises: an inspection zone (10) in which the object can be placed for inspection; a conveyor (12) for feeding the object to the inspection zone (10) along a feed plane (P); an imaging device (14) configured to view the object positioned in the inspection zone (10) and to generate an image (143) of the object; a processor (151), configured to process the image (143), to inspect the second layer. The conveyor (12) is configured to dispose the object in the inspection zone (10) with the base wall (A) positioned according to a predetermined orientation relative to the feed plane (P).
A device (1) for optical inspection of parisons (2) comprises: an illuminator (3) configured to emit a beam of light directed at a parison (2) located at an inspection position (10); a detector (4) configured to capture an image (10) of the parison (2) interposed between the illuminator (3) and the detector (4), where the illuminator (3) includes an emission-polarizing filter (32) configured to generate a polarized light beam, and where the detector (4) includes a receiving polarizing filter (41) configured to receive the polarized light beam.
An inspection device for parisons (preform) comprises at least a first conveying means (4) having, on one side of it, a plurality of seats (5) for receiving an array of respective parisons (100), wherein the first conveying means (4) is movable between a first station (S1) for receiving the parisons (100) and a second station (S2) for releasing the parisons (100) and wherein the first conveying means (4) is movable between the first and second stations (S1, S2) along a trajectory having at least one stretch which is transverse to the longitudinal axis of the parisons (100) on the first conveying means (4), the device (1) also comprising at least a first optical detection unit (6) located at a fixed position and facing the first conveying means (4) on the side of the latter which receives the parisons (100) at least at the transverse stretch of the trajectory to inspect at least one portion of the parisons (100) which faces the first optical detection unit (6).
It is described a punch for the compression molding of plastic material for forming capsules for containers closure, wherein the punch comprises a stem portion made of steel and a head portion made of copper alloy screwed to said stem portion, wherein a separation interface between said stem portion and head portion comprises a passage for gas that reaches a bottom surface of the punch delimitating one forming cavity where the compression molding of the plastic material occurs, and wherein one channel internal to said head portion communicates with said passage for gas to enable to extract gas out of the forming cavity.
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 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
B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles
B29C 43/02 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
9.
A FEMALE MOULD FOR FORMING A CONCAVE OBJECT MADE OF POLYMERIC MATERIAL
A female mould having a forming cavity (3) inside which a concave object can be formed, comprises - an annular forming element (4, 104, 204) extending about an axis (Z) and delimiting the forming cavity (3) about said axis (Z), - a plate element (5, 105, 205) which delimits the forming cavity (3) transversely to said axis (Z), the plate element (5, 105, 205) having a reference surface (7) extending transversely to said axis (Z) externally of the forming cavity (3) - a peripheral annular component (15, 115) at least partially surrounding the annular forming element (4, 104, 204) The annular forming element (4, 104, 204) abuts against a first portion of the reference surface (7) of the plate element (5, 105, 205) The peripheral annular component (15, 115) abuts against a second portion of the reference surface (7) of the plate element (5, 105, 205)
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
B29C 33/42 - 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 characterised by the shape of the moulding surface, e.g. ribs or grooves
B29C 43/42 - Moulds for making articles of definite length, i.e. discrete articles for undercut articles
10.
A METHOD AND A TOOL FOR ASSEMBLING A FEMALE MOULD AND A FEMALE MOULD ARRANGEMENT
A method for assembling a female mould (1) on a moulding machine, comprises the steps of providing a pre-assembled female mould arrangement (64), the pre-assembled female mould arrangement (64) comprising a plurality of components including at least a base (33), forming means having a forming cavity (3) and a fastening element (13) which renders the forming means fixed relative to the base (33), placing the pre-assembled female mould arrangement (64) on a support (42) of the moulding machine, - fixing the pre-assembled female mould arrangement (64) to the support (42).
B29C 43/42 - Moulds for making articles of definite length, i.e. discrete articles for undercut articles
B29C 33/00 - 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
An apparatus and a method for processing doses, in particular multi¬ layer doses, for the purpose of obtaining objects made of polymeric material (e.g. closure caps) through compression moulding. The apparatus comprises: - a co-extrusion device (3) for extruding a multi-layer structure having at least one primary layer (4) and at least one secondary layer (5), so that the multi-layer structure leaves the co-extrusion device (3) along an exit direction (X), - a mould (7) provided with a pair of elements (8, 9), at least one of said elements (8, 9) being movable towards the other in a moulding direction (Y), so as to compression mould an object from a multi¬ layer dose (2) which was severed from the multi-layer structure; - a transport device (6) for carrying the laminar dose (2) towards the mould (7); - means for modifying orientation of the dose (2) while the dose (2) is being transported by the transport device (6), so that the dose (2) is introduced into the mould (7) with an orientation in which the secondary layer (5) extends transversely to the moulding direction (Y).
B29C 43/08 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable with circular movement
B29C 43/20 - Making multilayered or multicoloured articles
It is described a mold to form caps closing containers, by compression molding doses of plastic material, wherein a bottom wall of the cap, or at least one part thereof, is very thin, said mold comprising two half- molds (1,2) being axially movable towards each other, which assume an end closed position, without dose, wherein a tubular element (3) being slidable around the second half-mold partially defines the cavity, the tubular element is arranged contacting an axial abutment (4) of the first half-mold (1) at one side and an axial end stop (8) of the second half-mold (2) at the other side, with the purpose of preventing the hard contact between the half-molds (1,2).
B29C 43/08 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable with circular movement
B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles
B29C 43/54 - Compensating volume change, e.g. retraction
Described is a cup for a coffee capsule, comprising a containment body (2) extending between a bottom (2a) and an upper edge (2b) and further comprising, at the upper edge (2b), an annular flange (3) which extends around an axis (X) and which has a rear face (3a) directed towards the containment body (2) and a front face (3b) adapted to receive a sealing lid (40), where the containment body (2) and the annular flange (3) are defined by a multilayer structure having an inner layer (S1 ) made of a plastic material, defining the front face (3b) of the annular flange (3) and the inside surface of the containment body (2), an outer layer (S2) made of a plastic material whose hardness is less than that of the inner layer (S1 ), and an intermediate layer (S3) between the inner layer (S1 ) and the outer layer (S2) and made of a material impermeable to oxygen and aromas, and where the annular flange (3) has, on its rear face (3a), an annular ridge or tooth (6) and an annular groove (4) which extend around the axis (X) and which are configured to act in conjunction with an end edge (101 ) of a pressure hood element (100) of a coffee machine.
A male mould element comprises a cooling circuit having first passage means (15, 16; 115, 116; 215, 216; 315, 316; 415, 416; 615, 616) obtained in a first component (6; 106; 206; 306; 406; 606) of the male mould element and second passage means (20; 120; 220; 320; 420; 620) obtained in a second component (7; 107; 207; 307; 407; 607) of the male mould element, the first passage means (15, 16; 115, 116; 215, 216; 315, 316; 415, 416; 615, 616) and the second passage means (20; 120; 220; 320; 420; 620) being distributed around a longitudinal axis (Z; Zl; Z3) of the male mould element so that there exist a plurality of angular positions of the first component (6; 106; 206; 306; 406; 606) relative to the second component (7; 107; 207; 307; 407; 607) in which the first passage means (15, 16; 115, 116; 215, 216; 315, 316; 415, 416; 615, 616) are in fluid communication with the second passage means (20; 120; 220; 320; 420; 620).
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
A system comprising a plane or a plate constituting a mobile traverse or a fixed platen of a press, a half-die associated to the traverse, at least a first hole afforded in the traverse or in the half-die and aligned with a second hole afforded respectively in the half-die or in the traverse, a third hole intersecting the second hole and opening externally on an edge of the traverse or the half-die, connecting means having a part blocked in the first hole and a part inserted in the second hole, blocking means activatable from outside located in the third hole such as to act on the part of the connecting means inserted in the second hole, where the first hole and the part of the connecting means inserted therein are independent of the orientation of the connecting means in the first hole.
A compression molding machine, for compression molding a closure shell (128) having a base wall with an opening, includes a male mold section (54) and a female mold section (56) having associated surfaces that oppose each other to form a cavity for compression molding the base wall of the closure shell . An annular bead ( 114) on one of these surfaces cooperates with the opposing other surface to compression mold a disk connected to the base wall by a thin frangible web. The disk and the shell are stripped separately from the mold so that the shell emerges from the machine with the opening formed in the shell base wall by removal of the disk within the machine.
B29C 43/36 - Moulds for making articles of definite length, i.e. discrete articles
B29C 33/00 - 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
A mold core (220) includes a forming pin (222) having a hollow interior and an end wall (224). A passage, preferably in the form of a hollow tube (66), extends into the hollow interior of the forming pin and has an end sealingly secured at a position spaced from the end wall of the forming pin. A poppet valve (254) is disposed on the end wall of the forming pin. The poppet valve is responsive to air pressure within the passage to open and permit flow of air through the end wall of the forming pin to assist stripping of molded articles from the mold core. The poppet valve includes a valve element (256) having an outer end at the end face of the forming pin and an inner end adj acent to the end of the passage. A spring (260) preferably biases the valve element to a closed position. The spring preferably comprises a coil spring captured in compression between the valve element and the forming pin.
B29C 43/08 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable with circular movement
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
B29C 33/46 - 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 using fluid pressure
A mold core (220) includes a forming pin (222) having a hollow interior and an end wall (224). A passage, preferably in the form of a hollow tube (66), extends into the hollow interior of the forming pin and has an end sealingly secured at a position spaced from the end wall of the forming pin. A poppet valve (254) is disposed on the end wall of the forming pin. The poppet valve is responsive to air pressure within the passage to open and permit flow of air through the end wall of the forming pin to assist stripping of molded articles from the mold core. The poppet valve includes a valve element (256) having an outer end at the end face of the forming pin and an inner end adjacent to the end of the passage. A spring (260) preferably biases the valve element to a closed position. The spring preferably comprises a coil spring captured in compression between the valve element and the forming pin.
B29C 43/08 - Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable with circular movement
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
B29C 33/46 - 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 using fluid pressure
patents
