This mold for injection molding comprises a first mold and a second mold to be clamped with the first mold. The first mold has a separation assistance mechanism including a slider part for pressing the second mold in a mold-opening direction. The separation assistance mechanism includes: a drive part which works by air pressure; and a toggle mechanism which converts the force of the drive part into a movement of the slider part in the mold-opening direction.
B29C 45/44 - Démoulage ou éjection des objets formés d'objets à contre-dépouille
B29C 33/44 - Moules ou noyaux; Leurs détails ou accessoires comportant des moyens ou conçus spécialement pour faciliter le démoulage d'objets, p.ex. des objets à contre-dépouille
B29C 45/17 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
2.
METHOD FOR MANUFACTURING RESIN CONTAINER AND BLOW MOLDING METHOD
A temperature adjustment mold for a blow molding apparatus provided with at least an injection molding unit that injection-molds a preform made of a resin and having a bottomed shape, a temperature adjusting unit that adjusts a temperature of the preform manufactured by the injection molding unit, and a blow molding unit that blow-molds the preform to manufacture a resin container, the temperature adjustment mold including a cavity mold that accommodates the preform, and an air introduction member that includes a fitting core and a rod member with a multiple-tube structure to form at least three concentric air flow paths.
This separable container comprises: a neck part which is formed from an inner layer and has a mouth at one end thereof and the outer periphery of which has been threaded; and a container main body which is connected to the other end of the neck part and includes an outer layer which is made of a material differing from that of the inner layer and stacked on the outer side of the inner layer. The one end of the container main body which adjoins the neck part has a protrusion having a larger diameter than the neck part, and a cap can be screwed onto the neck part of the inner layer. By rotating the cap in the closing direction and thereby shifting the inner layer with respect to the outer layer in one direction or the circumferential direction, an air-passing opening for leading air to between the inner layer and the outer layer is formed in the one end of the container main body.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Plastic processing machines and apparatus. Repair or maintenance of plastic processing machines and
apparatus; repair or maintenance of glassware manufacturing
machines and apparatus; repair or maintenance of machines
and apparatus for manufacturing rubber goods; repair or
maintenance of packing or wrapping machines and apparatus.
5.
METHOD FOR PRODUCING RESIN CONTAINER AND TEMPERATURE CONTROL DEVICE
A method for manufacturing a resin container includes a first step of accommodating an injection-molded bottomed resin preform in a temperature-adjusted mold and adjusting a temperature of the preform by the mold, a second step of moving the mold by a predetermined amount in an axial direction with respect to the preform by a lifting and lowering device and then stopping the mold, and causing an air ejection part arranged on an upper surface side of the mold to face a portion of the preform to be cooled, a third step of ejecting air from the air ejection part to locally cool the portion to be cooled of the preform positioned in the axial direction, and a blow molding step of blow molding the preform whose temperature has been adjusted through the first to third steps and manufacturing a resin container.
A double-walled resin container includes: an outer container made of resin and having a tapered shape in which an upper surface is opened, a bottom surface is closed, and a diameter is reduced from an upper surface side to a bottom surface side; and an inner container made of resin and inserted into the outer container from the upper surface side, the double-walled resin container including a heat insulating space in a gap between the outer container and the inner container. The outer container and the inner container are each formed by a biaxial stretch blow method.
B65D 81/38 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu avec isolation thermique
This resin-made container is provided with: a neck portion having a content inlet-outlet portion; a lateral surface portion connected to the neck portion; and a bottom portion that is disposed on the side opposite to the neck portion and that is connected to the lateral surface portion. The resin-made container is produced by a stretch blow molding process. The bottom portion has formed therein a bulge section that protrudes downward in the vertical direction. The bulge section is disposed in an eccentric region, of the bottom portion, positioned outside a region demarcated by perpendicularly projecting an opening plane of the inlet-outlet portion of the neck portion.
A temperature adjustment device and a temperature adjustment method for a preform in a blow molding device with which it is possible to reduce a molding cycle time is provided. A temperature adjustment device for a preform in which a hollow rod member is inserted into an injection-molded, bottomed preform retained by a retention member, and a first air circulation path is formed between the preform and the hollow rod member to adjust the temperature of the preform. The temperature adjustment device is characterized in that a flow path adjustment member is fitted and attached to the outer periphery of the hollow rod member, whereby the cross-sectional area of the first air circulation path is partially adjusted and changed.
A release container (10) comprises at least a neck part (13), a shoulder part (14b) connected to the neck part (13), and a trunk part (14) connected to the shoulder part, and has an inner layer laminated on the inner side of an outer layer. The inner layer (11) has an annular part (15) that forms an opening of the neck part (13), and an inner layer neck part (16) that extends from the annular part (15) toward a bottom part (14a). The boundary between the annular part (15) and the inner layer neck part (16) is provided with an annular first deformation part (P1) that is formed along the circumferential direction of the annular part (15), and with a connection part (P2) that is formed thicker than the first deformation part (P1). The connection part (P2) suppresses deformation of the annular part (15) and the inner layer neck part (16) even when the annular part (15) and the inner layer neck part (16) are deformed in the first deformation part (P1).
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B65D 1/00 - Réceptacles rigides ou semi-rigides ayant des corps d'une seule pièce formés, p.ex. par coulage d'un matériau en métal, par moulage d'un matériau plastique, par soufflage d'un matériau vitreux, par coulage d'un matériau en céramique, par moulage d'un
37 - Services de construction; extraction minière; installation et réparation
Produits et services
(1) Plastic processing machines and apparatus. (1) Repair or maintenance of plastic processing machines and apparatus; repair or maintenance of glassware manufacturing machines and apparatus; repair or maintenance of machines and apparatus for manufacturing rubber goods; repair or maintenance of packing or wrapping machines and apparatus.
37 - Services de construction; extraction minière; installation et réparation
Produits et services
Plastic processing machines and apparatus. Repair or maintenance of plastic processing machines and apparatus; repair or maintenance of glassware manufacturing machines and apparatus; repair or maintenance of machines and apparatus for manufacturing rubber goods; repair or maintenance of packing or wrapping machines and apparatus.
12.
MOLD FOR BLOW MOLDING, METHOD FOR MANUFACTURING RESIN CONTAINER USING SAME, AND RESIN CONTAINER
A blow molding mold in which a holding mechanism is independently provided to a bottom mold and is configured to be capable of gripping a protruding portion provided to a bottom portion of a preform independently of a gate portion, and a rotation mechanism is configured to be capable of rotating the bottom mold, relative to a neck portion of the preform which is in a stationary state held by neck molds, in a state where the protruding portion is gripped by the holding mechanism.
There is provided a resin container manufacturing apparatus configured to stretch a preform disposed in a stretch blow molding mold by a stretching rod and stretch the preform by introducing blow air into the preform so as to form a resin container. The resin container manufacturing apparatus includes detection means for detecting an actual position of the stretching rod inserted into the preform, and supply control means for controlling a supply state of the blow air based on a detection result of the detection means.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Plastic processing machines and apparatus. Repair or maintenance of plastic processing machines and
apparatus; repair or maintenance of glassware manufacturing
machines and apparatus; repair or maintenance of machines
and apparatus for manufacturing rubber goods; repair or
maintenance of packing or wrapping machines and apparatus. Technological advice relating to computers, automobiles and
industrial machines.
The present invention comprises: an injection molding unit (110) that injection molds a preform; a blow molding unit (130) that blow molds the preform to produce a resin container; and an input device (170) that receives an operation which specifies an operation condition for each unit, wherein the injection molding unit (110) is controllable so as to be operated intermittently on the basis of the operation specified via the input device (170).
B29C 45/17 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
This container transportation device comprises: a first transportation unit for intermittently transporting blow-molded containers, a prescribed number at a time; a second transportation unit that has an annular transportation pathway and a plurality of container transportation bodies that receive the containers from the first transportation unit and travel on the transportation pathway in a prescribed direction by means of a linear motor; and a third transportation unit that sequentially receives the containers from the container transportation bodies and transports the containers in a rotating manner. The second transportation unit controls the travel of each of the container transportation bodies by means of the linear motor, and adjusts the container transportation intervals during transportation and hands over the containers to the third transportation unit.
B65G 47/84 - Roues en forme d'étoiles ou dispositifs à courroies ou chaînes sans fin, les roues ou dispositifs étant dotés d'éléments venant en prise avec les objets
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
B65G 54/02 - Transporteurs non mécaniques, non prévus ailleurs électrostatiques, électriques ou magnétiques
17.
PRODUCTION DEVICE FOR RESIN CONTAINER, PRODUCTION METHOD FOR RESIN CONTAINER, AND MOLD FOR TEMPERATURE ADJUSTMENT
A production device (100) for a resin container comprises: an injection molding unit that includes an injection molding mold and that forms a preform (20) by injecting a molten resin into an injection cavity defined by the injection molding mold; a temperature adjustment unit (120) that adjusts the temperature of the preform (20) to a temperature suitable for blow molding; and a blow molding unit (130) that blow-molds the preform (20), the temperature of which has been adjusted, wherein the temperature adjustment unit (120) includes a rod member (122) that is configured to be inserted into the preform (20), and, as viewed from a direction perpendicular to the direction of the axis (X) of the preform (20), a plurality of vent holes (122a) through which air can be ejected or suctioned are formed in the rod member (122) in the direction of the axis (X).
The present application includes an injection molding step and a stretch blow molding step. The stretch blow molding step is configured to include: a first step in which preliminary blow air is introduced into a preform to stretch the preform in a state in which a stretching rod does not contact the bottom of the preform; a second step which is executed after the first step, and in which the preliminary blow air is introduced into the preform and the stretching rod is moved at a set speed and pressed against the bottom of the preform to stretch the preform; and a third step which is executed after the second step, and in which final blow air is introduced into the preform to stretch the preform.
B29C 49/00 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet
B29C 49/16 - Etirage biaxial pendant le moulage par soufflage utilisant une différence de pression, p.ex. pré-soufflage
B29C 49/18 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet utilisant plusieurs étapes de soufflage
Provided is a preform (20) for producing a resin container that includes a container neck part, a container body part, and a container bottom part, said preform comprising an annular neck part (21) that constitutes the container neck part and a body part (22) that constitutes the container body part and the container bottom part, wherein the angle (θ) formed by the central axis (X) of the neck part (21) and the body part (22) is 80-100°.
B29C 49/18 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet utilisant plusieurs étapes de soufflage
A preform (20), which is manufactured in an injection molding part (110) of a hot parison blow molding device and is blow-molded into a resin container in a blow molding part (130), comprises: a neck part (21) forming an opening of the preform (20); a barrel part (22) connected to the neck part (21); and a bottom part (23) connected to the barrel part (22) and closing one end part of the preform (20). The barrel part (22) has a connected part (22a) connected to the neck part (21), and a thin barrel part (22b) formed to have a smaller diameter than that of the neck part (21). The neck part (21) and the connected part (22a), and the connected part (22a) and the thin barrel part (22b) are each connected in L-shape to form a step part (22c).
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Plastic processing machines and apparatus. Repair or maintenance of plastic processing machines and apparatus; repair or maintenance of glassware manufacturing machines and apparatus; repair or maintenance of machines and apparatus for manufacturing rubber goods; repair or maintenance of packing or wrapping machines and apparatus. Technological advice relating to computers, automobiles and industrial machines.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
(1) Plastic processing machines and apparatus. (1) Repair or maintenance of plastic processing machines and apparatus; repair or maintenance of glassware manufacturing machines and apparatus; repair or maintenance of machines and apparatus for manufacturing rubber goods; repair or maintenance of packing or wrapping machines and apparatus.
(2) Technological advice relating to computers, automobiles and industrial machines.
23.
RESINOUS CONTAINER AND METHOD FOR MANUFACTURING RESINOUS CONTAINER
This resinous container is provided with: a neck part that forms an entrance and exit part for a liquid; a barrel part that is connected to the neck part; and a bottom part that is connected to the barrel part and formed to close an opening of the resinous container. The barrel part has an opposed surface that faces another resinous container when joined thereto or separated therefrom. The opposed surface has a joining part that is capable of joining to or separating from another resinous container. The joining part has a recessed part recessed toward the center of the resinous container from the opposed surface and a protruding part protruding from the opposed surface in the direction opposite to the direction in which the recessed part is recessed. This resinous container has been configured so that when a plurality of the resinous containers are jointed together by inserting the protruding part of one resinous container into the recessed part of another resinous container, then said one resinous container can take either a loosely fitted position in which the protruding part has fitted into the recessed part so as to leave a space therebetween or a fitted position in which the protruding part has fitted into the recessed part. The loosely-fitted position is shifted to the fitted position by rotationally moving said one resinous container relatively to said another resinous container on, as an axis, the direction of insertion of the protruding part into the recessed part.
B65D 21/028 - Réceptacles de forme spéciale ou pourvus de garnitures ou de pièces de fixation, pour faciliter l'emboîtement, le gerbage ou l'assemblage pour empiler des réceptacles placés sur le côté, ou pour réunir des réceptacles côte à côte, par des moyens situés latéralement quand les réceptacles sont orientés normalement avec des moyens de liaison faisant partie intégrante des réceptacles, p.ex. queues-d'aronde, encliquetages ou crochets
B29C 33/42 - Moules ou noyaux; Leurs détails ou accessoires caractérisés par la forme de la surface de moulage, p.ex. par des nervures ou des rainures
B29C 45/00 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet
A blow molding device in which a preform is injection-molded, the injection-molded preform is temperature-controlled by a temperature adjusting unit, and the temperature-adjusted preform is blow-molded, wherein the temperature adjusting unit has a multistage structure in which an uppermost stage has the highest temperature structure, and the mold surface temperatures of lower stages and other than the uppermost stage are set to be 10° C. or more lower than the glass transition temperature of the preform.
This peelable container contains a neck section having one side thereof open and a bottomed cylindrical trunk section connected to the neck section, wherein an inner layer is layered on the inside of an outer layer. The neck section of the inner layer includes: a first region that is formed by injection molding such that the first region adheres to the inner periphery of the neck section of the outer layer; a second region that is formed more to one side than the first region is and that is formed by injection molding in a state of protruding from the neck section of the outer layer; and a projection that is formed on the outer periphery of the second region and that causes peeling of the inner layer from the outer layer from one side of the neck section when the second region is pushed onto another side toward the neck section of the outer layer.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
26.
BENT-NECK CONTAINER MANUFACTURING DEVICE, AND BENT-NECK CONTAINER MANUFACTURING METHOD
A blow molding unit (130) comprises a neck mold (131), a blow core (132), a rotation mechanism (134), and a blow mold. The neck mold (131) holds, from the outer periphery, a neck part (21) that forms an opening in a preform (20). The blow core (132) is configured so as to be capable of introducing blown air into the preform (20). In a state where the blow core (132) has been inserted into the opening in the preform (20), the rotation mechanism (134) bends the preform (20) to a prescribed angle while gripping a bottom part of the preform (20). The blow mold defines a blow cavity so as to encapsulate the bent preform (20). A lower end part (132a) of the blow core (132) is configured such that in the state where the blow core (132) has been inserted into the preform (20), the lower end part (132a) is disposed lower than a bottom surface (131a) of the neck mold (131).
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
27.
PRODUCTION METHOD AND PRODUCTION DEVICE FOR RESIN CONTAINER
A method of manufacturing a resin container having a flat cross-sectional shape includes a temperature adjusting step of preliminarily blowing a resin preform in a first mold to mold an intermediate molded body having a diameter larger than a diameter of a container short diameter side and adjusting a temperature of the intermediate molded body in the first mold, and a blow molding step of bringing the temperature-adjusted intermediate molded body into contact with a second mold to compress the intermediate molded body in a container short diameter direction, and then stretching and blow molding the intermediate molded body in the second mold to manufacture the resin container.
B29C 49/18 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet utilisant plusieurs étapes de soufflage
A producing method for a resin container includes a first injection molding step of injection-molding an intermediate molded body that has a bottomed cylindrical shape and is made of resin, a second injection molding step of injection-molding a resin material into the intermediate molded body to produce a multilayer preform in which a resin layer is laminated on the intermediate molded body, and a blow molding step of blow-molding the multilayer preform in a state of having residual heat from injection molding to produce a resin container. The multilayer preform is formed such that a bottom portion is thicker than a body portion. In the blow molding step, at least one surface of the bottom portion of the multilayer preform is pressed with a mold, and a three-dimensional pattern corresponding to the mold is transferred to a thick bottom portion of the resin container.
B29B 11/16 - Fabrication de préformes caractérisées par la structure ou la composition comprenant des charges ou des agents de renforcement
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
29.
ROTATION TRANSFER DEVICE, CONTROL METHOD, AND PROGRAM
A rotation transfer device according to the present invention comprises: a transfer body that rotationally transfers a workpiece between a plurality of stations by moving in the rotation direction; a positioning part that engages with the transfer body at a stop position corresponding to the plurality of stations and restrains the transfer body in the horizontal direction; a motor that drives the transfer body in the rotation direction; a drive mechanism that transmits, to the transfer body, the power of the motor; and a control unit that controls the positioning part and the motor. The control unit detects a first stop position of the transfer body that has stopped under control of the motor and a second stop position of the transfer body after the positioning part has engaged with the transfer body, and corrects the next movement amount of the transfer body on the basis of a difference between the second stop position and the first stop position.
A temperature adjustment mold capable of performing local temperature adjustment in an axial direction from the inside of a preform while restricting shrinkage and deformation of the preform, for adjusting a temperature of an injection-molded bottomed resin-made preform includes a rod portion inserted into the preform and extending in the axial direction of the preform. The rod portion includes an annular projection portion that protrudes in a radial direction of the rod portion and contacts an inner peripheral surface of the preform. The rod portion contacts a bottom portion of the preform to restrict shrinkage in the axial direction of the preform. The projection portion restricts shrinkage in a radial direction of the preform, conducts heat between the rod portion and the preform, and adjusts a temperature at a predetermined part in an axial direction of the preform.
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
A temperature adjustment mold for adjusting a temperature of a preform that is injection-molded, has a bottomed shape, and is made of resin includes one or more adjusting portions that face a part of an outer peripheral surface of a body portion of the preform and locally heat a predetermined portion in a circumferential direction of the preform. The adjusting portion is disposed such that a gap is formed in the circumferential direction, and an attachment position is adjustable in the circumferential direction.
A method for manufacturing a resin container includes: performing injection molding on a resin preform; adjusting a temperature of the preform manufactured in the performing injection molding; and performing blow molding on the temperature-adjusted preform to manufacture the resin container. In the performing injection molding, injection molds are opened after completion of filling and pressure holding of a resin material, and the preform is taken out without being cooled in the injection molds after the completion of filling and pressure holding. In addition, in the adjusting the temperature, a refrigerant is introduced into the preform to cool the preform.
A manufacturing method of a resin container having a light-transmitting region and a non-light-transmitting region extending in an axial direction includes: a first injection molding step of injection-molding a first layer of a preform having a convex portion extending in the axial direction using a first resin material having a light-transmitting property; a second injection molding step of injecting a colored second resin material on a surface side on which the convex portion of the first layer is formed and laminating a colored second layer in a region excluding the convex portion of the first layer while exposing the convex portion in the axial direction; and a blow molding step of blow-molding the preform in a state of having residual heat from injection molding.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
The device for producing a resin container comprises: one injection molding unit that injection molds a bottomed cylindrical preform from a first resin material; another injection molding unit that injection molds an additional structure from a second resin material; a blow molding unit that blow molds the preform integrated with the additional structure while the preform and additional structure retain the heat of injection molding, to produce a resin container; and a conveyor that moves in the order from the one injection molding unit to the other injection molding unit or in the order from the other injection molding unit to the one injection molding unit and conveys the preform integrated with the additional structure to the blow molding unit.
This preform manufacturing device is provided with an injection molding part, a post-cooling part, and an extraction part. The post-cooling part has a first mold that accommodates a preform therein and contacts an outer surface of the preform, and a second mold that is inserted into the preform and provided with at least a cooling rod having a flow path for compressed air therein and a tip end piece attached to a tip end side of the cooling rod. The tip end piece includes a mold surface that corresponds to the shape of a bottom part of the preform and receives the bottom shape, and an opening part that is formed closer to a base end side than the mold surface and communicates with the flow path for compressed air. The post-cooling unit cools the bottom part with the bottom part of the preform pressed to the first mold by the mold surface of the tip end piece, and cools a barrel part with the barrel part of the preform pressed to the first mold by compressed air passing through the opening part.
B29B 13/04 - Conditionnement ou traitement physique de la matière à façonner par refroidissement
B29C 45/00 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet
A manufacturing apparatus for manufacturing a resin container, the manufacturing apparatus includes an injection molding part, a temperature adjustment part, a blow molding part, a take-out part, and a rotation plate. The temperature adjustment part includes a first temperature adjustment mold into which the preform is inserted, the first temperature adjustment mold being configured to cool the preform from an outer surface of the preform, a second temperature adjustment mold into which the preform is inserted, the second temperature adjustment mold being configured to cool the preform from an inner surface of the preform, and wherein, in the temperature adjustment part, the preform is cooled so that at least the outer surface temperature of the preform is lowered within a temperature range from 10° C. to 50° C. as compared to the outer surface temperature of the preform when the preform is carried into the temperature adjustment part.
A mold includes a position adjustment mechanism that receives a shaft portion extending from a cavity mold, which accommodates a preform, and adjusts a position where the cavity mold is held on a plane intersecting an extending direction of the shaft portion. The position adjustment mechanism includes a first member in which a linear cam hole that receives the shaft portion is formed, and a second member that is disposed to overlap the first member in the extending direction of the shaft portion and rotates with respect to the first member along a plane. The second member has an elongated hole that intersects the cam hole in a direction of the plane and positions the shaft portion together with the cam hole. Further, a position where the cam hole and the elongated hole intersect each other moves along a longitudinal direction of the cam hole by rotation of the second member.
A method for manufacturing a resin container includes: injection molding a preform made of a resin and having a body portion and a bottom portion; adjusting a temperature of the preform manufactured in the injection molding; and a blow molding step of blow-molding the preform having the adjusted temperature to manufacture a resin container. In the injection molding, the preform is injection-molded using an injection mold in which a thickness of the bottom portion is 0.7 to 0.85 relative to a thickness of the body portion. Further, in the adjusting the temperature, a coolant is introduced into the preform to cool the bottom portion of the preform.
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
B29C 49/00 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet
- - - A method of producing a resin container includes injection-molding a resin intermediate molded body of bottomed cylindrical shape as a first injection-molding, injection-molding a resin material outside the intermediate molded body as a second injection-molding, to produce a multilayer preform in which a resin layer is layered on an outer peripheral side of the intermediate molded body, and a blow-molding the preform in a state of containing residual heat from injection-molding to produce a resin container having a bottom portion thicker in wall thickness than a body portion. A portion of the inner peripheral side of the intermediate molded body, the portion reaching a bottom portion of the intermediate molded body, has a tapered region in which the wall thickness increases toward the bottom portion.- - -
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
A manufacturing apparatus for manufacturing a resin container including an injection molding part configured to injection-mold a preform, and a temperature adjustment part configured to adjust a temperature of the preform molded in the injection molding part. The manufacturing apparatus is configured to blow-mold the preform whose temperature has been adjusted in the temperature adjustment part. The injection molding part includes an injection core mold and an injection cavity mold, and both the injection core mold and the injection cavity mold include a flow path connected to a chiller in which coolant is configured to flow to cool the preform such that the preform is inserted into the temperature adjustment part in a state where an outer surface temperature of the preform is higher than a glass transition temperature of a material constituting the preform by 30° C. or higher and 60° C. or lower.
This method for producing a resin container comprises an injection molding step for injection molding a bottomed cylindrical resin preform, and a blow molding step for blow molding the preform while the preform retains the heat from injection molding to produce a polygonal resin container having a plurality of corners in the circumferential direction. In the circumferential direction of the preform, the thickness of a first site corresponding to a wall surface of the container is greater than the thickness of a second site corresponding to a corner of the container, and the outer peripheral surface at the second site of the preform is positioned radially inward from the outer peripheral surface at the first site of the preform.
B65D 1/00 - Réceptacles rigides ou semi-rigides ayant des corps d'une seule pièce formés, p.ex. par coulage d'un matériau en métal, par moulage d'un matériau plastique, par soufflage d'un matériau vitreux, par coulage d'un matériau en céramique, par moulage d'un
A blow molding apparatus for manufacturing a resin container by blow molding a preform having a bottomed cylindrical shape includes: a pair of mold clamping plates that openably and closably supports a pair of blow split molds accommodating the preform; linear motion mechanisms that drive the pair of mold clamping plates in an opening and closing direction and apply a mold clamping force to the mold clamping plate at a time of mold closing; and a lock member that interferes with a lower end side of the mold clamping plate at a mold closing position of the blow split mold and restricts movement of the mold clamping plate in a mold opening direction.
A method for manufacturing a resin container includes: injection-molding a first layer of a bottomed cylindrical preform from a first resin material as a first injection-molding; accommodating the first layer manufactured in the first injection-molding in a temperature adjustment mold, adjusting a temperature of the first layer, and forming an opening portion in a bottom portion of the first layer; injecting a second resin material from the opening portion to an inner peripheral side of the first layer to laminate a second layer on the inner peripheral side of the first layer, as a second injection-molding; and blow-molding a multilayer preform obtained in the second injection-molding-step in a state where the multilayer preform includes residual heat from the injection molding to manufacture the resin container.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
An operation abnormality detection method for detecting an operation abnormality in a molding device having a movable part includes: acquiring a prescribed measured value relating to operation of the movable part and calculating, as statistical information, an average value of prescribed information values based on the prescribed measured values: calculating a first threshold and a second threshold; acquiring a current measured value and comparing a current information value based on the current measured value with the greater of the first threshold and the second threshold; and issuing a warning if the current information value at least exceeds the greater of the first threshold and the second threshold.
A temperature adjustment mold for a blow molding apparatus provided with at least an injection molding unit that injection-molds a preform made of a resin and having a bottomed shape, a temperature adjusting unit that adjusts a temperature of the preform manufactured by the injection molding unit, and a blow molding unit that blow-molds the preform to manufacture a resin container, the temperature adjustment mold including a cavity mold that accommodates the preform, and an air introduction member that includes a fitting core and a rod member with a multiple-tube structure to form at least three concentric air flow paths.
A blow molding mold unit (70) comprises a pair of blow cavity split molds (72) that constitute a blow cavity defining the shape of side surfaces of a resin container in a mold closed state; a bottom mold (74) that defines the shape of a bottom surface of the container; and a jig (76) that integrally supports the pair of blow cavity split molds (72) and the bottom mold (74). The jig (76) is provided at an end of the blow molding mold unit (70) in a third direction (D3) which is orthogonal to a first direction (D1) and to a second direction (D2), the first direction being a direction that extends from a neck part to a bottom part of the container defined by the blow cavity, and the second direction (D2) being a mold opening direction of the pair of blow cavity split molds (72).
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
In the present invention, an injection molding unit molds a preform (20) by injecting resin. A blow molding unit blows a gas into the preform (20) to mold a container (30) having a first volume. A preliminary blow unit blows a gas into the preform (20) to increase the volume thereof. The preliminary blow unit comprises a preliminary blow cavity mold (171) which partitions a preliminary blow cavity (171a) having a second volume smaller than the first volume and allows longitudinal stretch of the preform (20).
B29C 49/16 - Etirage biaxial pendant le moulage par soufflage utilisant une différence de pression, p.ex. pré-soufflage
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
This resin container manufacturing method includes: injection molding steps (steps S101, S102) of carrying out injection molding to form a bottomed cylindrical preform having a two-layer structure formed from a first layer made of a first resin material and a second layer made of a second resin material laminated on the inner periphery side of the first layer; and a blow molding step (step S105) of carrying out blow molding to form a resin container having a two-layer structure from the preform obtained in the injection molding steps (steps S101, S102). A recessed part, which is configured to expose a surface of the second layer through the first layer, is disposed at the bottom of the preform. The resin container manufacturing method includes a peeling step of peeling off the second layer from the first layer by inserting a rod member into the recessed part of the preform prior to the blow molding step (step S105).
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
49.
RESIN MOLDED PRODUCT INFORMATION MANAGEMENT METHOD, METHOD FOR PRODUCING RESIN CONTAINER, RESIN MOLDED PRODUCT INFORMATION MANAGEMENT DEVICE, AND BLOW MOLDING DEVICE
This information management method for a resin molded product in a molding device for intermittently producing resin molded products includes: classifying the resin molded products into molded product groups for each molding cycle; acquiring an information group for each of the molded product groups; and recording the acquired information groups in association with the molded product groups.
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
B29C 49/68 - Fours spécialement adaptés au chauffage des préformes ou des paraisons
A mold for injection molding, the mold including two or more cavity rows, each cavity row having a plurality of cavities, and a cooling flow path, the cooling flow path including: at least one supply port, a distribution conduit, a supply conduit, a cavity cooling portion, a discharge conduit, a collecting conduit, and at least one discharge port. The supply conduit and the discharge conduit are parallel to the cavity rows, and at least one supply conduit and at least one discharge conduit are provided for each cavity row. The distribution conduit and the collecting conduit have larger diameters than the supply conduit and discharge conduit. The distribution conduit and the collecting conduit are arranged below the supply conduit and the discharge conduit such that the distribution conduit and the collecting conduit are provided at different heights from the supply conduit and the discharge conduit.
B29C 45/73 - Chauffage ou refroidissement du moule
B29C 33/04 - Moules ou noyaux; Leurs détails ou accessoires comportant des moyens incorporés de chauffage ou de refroidissement utilisant des liquides, des gaz ou de la vapeur d'eau
51.
MANUFACTURING DEVICE CONTROL METHOD, RESIN CONTAINER MANUFACTURING METHOD, MANUFACTURING DEVICE CONTROL DEVICE AND RESIN CONTAINER MANUFACTURING DEVICE HAVING SAME
- - - Provided is a control method for a manufacturing device for manufacturing a resin container by blow-molding a preform, the method including: acquiring a target value for the temperature inside a heating device for heating the preform to a temperature that is appropriate for blow-molding; acquiring the actual measured value of the temperature inside the heating device, the temperature having been detected by a sensor disposed inside the heating device; calculating the temperature difference between the target value and the actual measured value; and adjusting the heating performance and the cooling performance of the heating device on the basis of the temperature difference. - - -
The dwelling device is equipped with a stopper member that regulates the amount of retraction of a dwelling plunger. When filling a dwelling path with a resin material, a second engaging member of the stopper member regulates the amount of retraction of the dwelling plunger at a first position that engages with a first engaging member fixed to the dwelling plunger. When depressurizing the mold after dwelling, the second engaging member moves from the first position to a receded second position to release regulation of the amount of retraction of the dwelling plunger.
B29C 45/53 - Moyens pour plastifier ou homogénéiser la matière à mouler ou pour la forcer dans le moule utilisant des pilons ou des pistons d'injection
This temperature adjustment mold for adjusting the temperature of a bottomed injection-molded resin preform is provided with: a first mold which contains the preform inside and is in contact with the outer circumferential surface of the preform; a second mold which is inserted into the preform and is in close contact with the neck section of the preform; and a third mold which is inserted into the preform integrally with the second mold and receives the bottom section of the preform at a mold surface thereof. The third mold has an opening through which compressed air is introduced into the preform. The gap from the mold surface of the third mold to the first mold when the third mold has been inserted into the preform is greater than the thickness of the preform.
B29C 49/18 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet utilisant plusieurs étapes de soufflage
This temperature regulating mold comprises: an air introduction unit that is inserted into a preform and introduces compressed air into the interior of the preform to cool the preform; and a cavity mold that accommodates the preform on the inside thereof, and contacts and undergoes heat exchange with the outer peripheral surface of the preform into which compressed air has been introduced. The air introduction unit has: an inner tube that evacuates the compressed air from the preform; an outer tube that is positioned at the outer periphery of the inner tube and, together with the inner tube, defines an air supply port that supplies the compressed air into the preform; and a positioning part that is formed at the outer periphery of the inner tube, and displaces the axial center of the inner tube with respect to the axial center of the outer tube so that the opening width of the air supply port changes along the circumferential direction thereof.
This temperature regulating mold for regulating the temperature of an injection-molded resin preform having a bottomed shape comprises: an air introduction member that is inserted into the preform and introduces compressed air from an air supply port to the interior of the preform to cool the preform; a cavity mold that accommodates the preform on the inside thereof, and contacts and undergoes heat exchange with the outer peripheral surface of the preform into which compressed air has been introduced; and a heating mechanism that heats a first site on the cavity mold which faces the air supply port more than a second site on the cavity mold which is downstream from the first site along the flow path of the compressed air.
There is provided a cooling mold unit for cooling a preform that has been injection-molded, the preform having a bottomed shape and made of a resin, the cooling mold unit including a core mold having an outer shape corresponding to an inner shape of the preform, and being insertable into the preform, in which an exhaust port configured to discharge air from an inside of the preform through an inside of the core mold is provided at a tip end portion of the core mold facing a bottom portion of the preform.
A hot runner mold includes a hot runner mold body portion that is fixed to a fixing plate and supplies a molten resin received from a resin inlet to an injection mold, a nozzle receiving portion that is disposed to be inclined with respect to a position orthogonal to the resin inlet of the hot runner mold body portion and is coaxially connected to a nozzle of an injection device that supplies the molten resin, a relay portion that has a resin flow path having a bent portion therein and guides the molten resin from the nozzle receiving portion to the resin inlet, and a regulating portion that is fixed to the fixing plate and regulates movement of the nozzle receiving portion or the relay portion with respect to the hot runner mold body portion.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
58.
METHOD FOR MANUFACTURING RESIN WIDE-MOUTHED CONTAINER, MANUFACTURING DEVICE, AND RESIN WIDE-MOUTHED CONTAINER
A method for manufacturing a resin wide-mouthed container includes at least: injection-molding a bottomed preform made of resin; and blow-molding the injection-molded preform. During the injection molding, the preform is injection-molded such that an overhanging section overhanging outward is formed on an outer peripheral section of a first lip section closer to a first body section than a flange section, and while the first lip section, which is provided with the overhanging section, is held by a lip mold, which has a recessed section that engages with the overhanging section, the preform is separated from an injection molding die.
A control method for a mold opening/closing device including a hydraulic cylinder that opens and closes a mold, a hydraulic drive device that drives the hydraulic cylinder by supplying a hydraulic oil, and a controller that controls the hydraulic drive device, wherein the controller changes speed change in a deceleration region, in which movement of the hydraulic cylinder is decelerated, between a first half portion and a second half portion of the deceleration region, and causes speed change rate per unit time in the second half portion to be smaller than in the first half portion.
In a manufacturing method for a delamination container, in a first injection molding, a first recess portion is formed by a first protrusion portion in at least part of a first layer. In a second injection molding, a second recess portion which penetrates the first layer and through which a surface of a second layer is exposed is formed in a preform by inserting a second protrusion portion into the first recess portion. During a blow molding, the second recess portion is stretched to form an air introduction hole in an outer layer of the delamination container.
B29C 49/00 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet
B29C 45/16 - Fabrication d'objets multicouches ou polychromes
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
61.
PEELING CONTAINER AND METHOD FOR MANUFACTURING PEELING CONTAINER
A delamination container includes a neck portion having an opening communicating with an inside of the inner layer, a shoulder portion continuously extending in the radial direction from the neck portion, a body portion having a bottomed cylindrical shape, and a constricted portion interconnecting the shoulder portion and the body portion. The diameter of the outer peripheral edge of the shoulder portion is 40 mm or more and 55 mm or less, the axial length from the outer peripheral edge of the shoulder portion to a constricted bottom portion which has the smallest diameter in the constricted portion is 12 mm or more and 25 mm or less, and a ratio of the diameter of the constricted bottom portion to the diameter of the outer peripheral edge of the shoulder portion is 0.80 or more and 0.93 or less.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B29C 45/16 - Fabrication d'objets multicouches ou polychromes
In a manufacturing method for a delamination method, in a second injection molding including forming a second layer on an inner peripheral side of a first layer of a preform having a bottomed cylindrical shape, a second resin material is guided from an opening portion formed in the first layer toward the inner peripheral side of the first layer, and a locking portion protruding from the opening portion toward an outer peripheral side of the first layer is integrally formed with the second layer.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
A manufacturing method of a resin container includes: a first injection molding process for injection-molding a first layer of a preform by using a first resin material, the preform having a bottomed cylindrical shape and including a groove that extends in an axis direction; a second injection molding process for injecting a second resin material into the groove of the first layer, the second resin material having a color that is different from a color of the first resin material, and laminating a second layer on an outer peripheral side or an inner peripheral side of the first layer; and a blow-molding process for blow-molding a preform that includes multiple layers and has been obtained in the second injection molding process in a state where residual heat at a time of injection molding is contained, and manufacturing the resin container having a vertical-striped color pattern formed by using the second layer.
B29C 49/00 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
64.
MANUFACTURING METHOD, MANUFACTURING APPARATUS, AND MOLD UNIT FOR RESIN CONTAINER
A manufacturing method of a resin container includes: a first injection molding process for injection-molding a first layer of a preform having a bottomed cylindrical shape by using a first resin material; a second injection molding process for injecting a second resin material having a color that is different from a color of the first resin material, and laminating a second layer on an outer peripheral side or an inner peripheral side of the first layer; and a blow-molding process for blow-molding a preform that includes multiple layers and has been obtained in the second injection molding process in a state where residual heat at a time of injection molding is contained, and manufacturing the resin container having a color pattern that corresponds to a thickness distribution of the first layer and the second layer.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
A mold includes a first mold for receiving a neck mold that holds a neck part of a resin preform having a bottom, and for enclosing the preform inside, and a second mold inserted into the neck mold. At least one of a first sliding surface between the neck mold and the first mold and a second sliding surface between the neck mold and the second mold includes a solid lubricant embedded therein.
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
B29C 33/60 - Agents de démoulage, de lubrification ou de séparation
66.
RESIN CONTAINER PRODUCTION DEVICE AND METHOD FOR PRODUCING RESIN CONTAINER
A production device (1) produces a resin container having a two-layer structure configured from an inner layer constituted of a first resin material, and an outer layer constituted of a second resin material. The production device (1) comprises an injection molding unit (100) and a blow molding unit (500). The injection molding unit (100) molds, by injection, N preforms (N is a natural number of 2 or more) at a time, the preforms each having a two-layer structure comprising an internal layer constituted of the first resin material, and an external layer constituted of the second resin material. The blow molding unit (500) molds, by blowing, M resin containers at a time, from the N preforms, in n batches (n is a natural number of 2 or more), where M is N/n and is a natural number.
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
B29C 45/16 - Fabrication d'objets multicouches ou polychromes
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
67.
METHOD FOR MANUFACTURING RESIN CONTAINER AND MANUFACTURING DEVICE
This method for manufacturing a resin container having an undercut shape comprises: a step for accommodating a preform in a cavity mold having an undercut part; a step for inserting a core mold inside the preform; a step for introducing blow air into the preform via the core mold to blow-mold the preform into a container; a step for gripping a neck part of the container in which the core mold is arranged with a conveyance chuck from the outside to sandwich the neck part of the container between the core mold and the conveyance chuck; and a step for opening the cavity mold. By the mold opening, the container of which the neck part is sandwiched between the core mold and the conveyance chuck is released from the undercut part.
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
B29C 49/54 - Moules pour fabriquer des objets à contre-dépouille
68.
METHOD FOR PRODUCING RESIN CONTAINER AND TEMPERATURE CONTROL DEVICE
This method for producing a resin container has: a first step for accommodating an injection-molded bottomed resin preform in a temperature-controlled mold and controlling the temperature of the preform by using the mold; a second step for moving the mold a prescribed amount in the axial direction relative to the preform by using a lifting device, then stopping the mold and causing an air injection part arranged on the upper-surface side of the mold to face the portion of the preform that is to be cooled; a third step for injecting air from the air injection part and locally cooling the portion of the axially positioned preform that is to be cooled; and a blow-molding step for blow-molding the preform that has been temperature-controlled through each of the first to third steps to produce a resin container.
B29C 45/17 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
An injection molding unit (20) injection-molds a first number of bottomed resin preforms by using an injection molding die (22) including an injection core mold and an injection cavity mold. A temperature adjustment unit (30) comprises a storage member (50) that receives preforms released from the injection core mold (24) in a high-temperature state, and adjusts the temperature of the preforms. A blow molding unit (40) receives the preforms from the temperature adjustment unit (30) and blow-molds the preforms into resin containers. The injection core mold (24) is configured to be capable of reciprocating movement between an injection molding position and a release position of the preform. The temperature adjustment unit (30) divides the preforms stored in the storage member (50) into a third number of groups including a second number of preforms fewer than the first number, and performs temperature adjustment.
B29C 45/10 - Appareils de moulage par injection avec des moules ou des unités d'injection utilisables les uns par rapport aux autres dans des dispositions ou des combinaisons différentes
B29C 45/40 - Démoulage ou éjection des objets formés
A blow molding machine includes a support member that supports a mold component and a moving mechanism that moves the support member to a projecting position toward the outside of the machine and to a storing position. The machine includes a first fixed fulcrum shaft. The support member includes a base end portion rotatably supported by the first fixed fulcrum shaft and a free end portion having a first movable fulcrum shaft. The moving mechanism has rotatably interconnected links. One link is rotatably supported by the movable fulcrum shaft. In the projecting position, the links are maintained linearly by a first angle fixing tool to serve as a leg portion that supports the support member's free end portion.
A method for manufacturing a resin container includes: a first injection-molding step of injection-molding a bottomed cylindrical resin intermediate molded body; a second injection-molding step of injection-molding a resin material on an outer side of the intermediate molded body to manufacture a multilayered preform having a resin layer laminated on an outer peripheral side of the intermediate molded body; and a blow-molding step of blow-molding the preform to manufacture a resin container having a thick portion.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
B29C 45/16 - Fabrication d'objets multicouches ou polychromes
A production apparatus of a two-layer preform including an inner layer preform and an outer layer preform includes: an outer layer cavity mold for injection-molding the outer layer preform. A bottom surface of the outer layer cavity mold is provided with a protrusion for separating the inner layer preform disposed in the outer layer cavity mold from the bottom surface.
B29C 45/16 - Fabrication d'objets multicouches ou polychromes
B29C 49/00 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet
B29C 45/14 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet en incorporant des parties ou des couches préformées, p.ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
A blow molding die (1) comprises a pair of blow cavity split molds (10) and a pair of blow cavity split mold holders (30). The blow cavity split mold holders (30) each comprise an inner wall (34) and a pair of rims (36a, 36b) that are disposed so as to hold the inner wall (34) therebetween. A first rim (36a), which is one of the rims, is provided with a projection member (38a) that protrudes toward the inside of the blow cavity split mold (30). A second rim (36b), which is the other of the rims, is provided with a pressing member (38b) that presses the blow cavity split mold (10) toward the blow cavity split mold holder (30).
A blow molding apparatus includes: a temperature adjusting unit configured to supply a preform with cooling air to perform a temperature adjustment of the preform, the preform having been inj ection-molded, having a bottomed shape and made of a resin; a blow molding unit configured to blow-mold the preform that has been subjected to a temperature adjustment with blow air, and configured to manufacture a container made of a resin; an air tank configured to supply the temperature adjusting unit with the cooling air; and a recovery unit configured to recover the blow air exhausted from the blow molding unit into the air tank.
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
A temperature adjusting unit of a blow molding apparatus includes: a first drive unit configured to drive a core mold, from which the cooling air is supplied, in a first direction; a second drive unit configured to drive a cavity mold that accommodates the preform in a second direction; a first lock portion configured to restrict a movement of the first drive unit in the second direction at a first position where the core mold is inserted into the preform; and a second lock portion configured to restrict a movement of the second drive unit in the first direction at a second position where the preform is accommodated in the cavity mold.
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
A manufacturing method includes an injection molding process of injection-molding a preform having a two-layer structure including an outer layer preform and an inner layer preform, and a blow molding process of blow molding the preform to mold a delamination container made of resin. The injection molding process includes an outer layer molding process of filling an outer layer injection mold with PET (outer layer resin material) to mold the outer layer preform and molding a thin film portion in a part of the outer layer preform, and an inner layer molding process of injecting PP (inner layer resin material) toward the thin film portion to break the thin film portion and filling an inner layer injection mold with PP having a temperature lower than a melting point of PET via the broken thin film portion to mold the inner layer preform.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B29C 49/00 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet
77.
Method for producing resin container and apparatus for producing resin container
Provided is a resin container manufacturing method including: an injection molding process of injection molding a plurality of preforms along a predetermined arrangement direction; a temperature adjustment process of adjusting a temperature of the preform; and a blow molding process of molding a resin container from the preform. After the injection molding process, the preform and the container are conveyed along a conveying direction intersecting the arrangement direction over the temperature adjustment process and the blow molding process. The temperature adjustment process includes a first temperature adjustment process of adjusting the temperature of the preform, a second temperature adjustment process of adjusting the temperature of the preform under a condition different from that of the first temperature adjustment process, and a fine adjustment process of finely adjusting the temperature of the preform.
B29C 49/36 - Appareils de moulage par soufflage comportant des moules ou des parties de moule mobiles tournant autour d'un axe
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
B29K 67/00 - Utilisation de polyesters comme matière de moulage
Provided is a production method for a resin container that has a flat cross-sectional shape. The production method includes a temperature adjustment step and a blow molding step. The temperature adjustment step is for preliminarily blowing a resin preform in a first mold to form an intermediate molded body that has a larger diameter than a container short diameter side and adjusting the temperature of the intermediate molded body in the first mold. The blow molding step is for bringing the temperature-adjusted intermediate molded body into contact with a second mold to compress the intermediate molded body in a container short diameter direction and then stretch blow molding the intermediate molded body in the second mold to produce the resin container.
B29C 49/18 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet utilisant plusieurs étapes de soufflage
This double-walled resin container comprises: an outer container that is made from a resin, has an open upper surface and a closed bottom surface, and forms a tapered shape decreasing in diameter from the upper surface side toward the bottom surface side; and an inner container that is made from a resin and inserted into the outer container from the upper surface side. The double-walled resin container has a thermal insulation space in the gap between the outer container and the inner container. The outer container and the inner container are each formed by a biaxial stretching blow method.
B65D 77/04 - Objets ou matériaux enfermés dans plusieurs réceptacles disposés les uns dans les autres
B65D 81/38 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu avec isolation thermique
80.
METHOD AND DEVICE FOR MANUFACTURING CONTAINER MADE OF BIODEGRADABLE RESIN
A manufacturing method for manufacturing a biodegradable resin container includes at least: an injection molding process of injection molding a preform made of a biodegradable resin in an injection molding mold; a temperature adjustment process of adjusting a temperature of the preform in a temperature adjustment mold; and a blow molding process of manufacturing a container by blow molding the preform after temperature adjustment in a blow mold, in which a temperature of the injection molding mold is set to 40° C. or lower.
B29C 45/73 - Chauffage ou refroidissement du moule
B29C 49/00 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet
B29C 45/00 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
81.
RESIN CONTAINER MANUFACTURING METHOD AND MANUFACTURING APPARATUS
This resin container manufacturing method comprises: a first injection molding step in which a bottomed cylindrical intermediate molded body made of a resin is injection-molded; a second injection molding step in which a resin material is injection-molded on the intermediate molded body to manufacture a multilayer preform in which a resin layer is layered on the intermediate molded body; and a blow molding step in which the multilayer preform is blow-molded, while the residual heat from the time of injection molding is retained, to produce a resin container. The multilayer preform is formed such that the bottom is thicker than a trunk section. In the blow molding step, at least one surface of the bottom of the multilayer preform is pressed by a mold, and a three-dimensional pattern corresponding to the mold is transferred to the thick bottom section of the resin container.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B65D 1/00 - Réceptacles rigides ou semi-rigides ayant des corps d'une seule pièce formés, p.ex. par coulage d'un matériau en métal, par moulage d'un matériau plastique, par soufflage d'un matériau vitreux, par coulage d'un matériau en céramique, par moulage d'un
82.
Method for producing resin container and device for producing resin container
A manufacturing method includes an injection molding process of injection-molding a preform, a temperature adjustment process of temperature-adjusting the preform while cooling the preform, and a blow molding process of blow-molding the temperature-adjusted preform to manufacture a resin container. In the injection molding process, a step portion thicker than at least an engagement groove of a neck portion is formed between the neck portion and a body portion of the preform.
There is provided a mold unit for cooling a preform that has been injection-molded, the preform having a bottomed shape and made of a resin, the mold unit including a core mold having an outer shape corresponding to an inner shape of the preform, and being insertable into the preform, in which a flow path for a temperature adjustment medium extending in an axial direction of the core mold is formed inside the core mold, the flow path is formed at a position displaced in a circumferential direction of the core mold, and a position of the flow path is adjustable in the circumferential direction.
[Problem] Provided is a temperature adjustment mold capable of locally adjusting the temperature, from the inside of a preform in the axial direction while controlling contraction deformation of the preform. [Solution] This temperature adjustment mold for adjusting the temperature of a resin preform which has been obtained by injection molding and has a bottomed shape is inserted into the inside of the preform and comprises a rod part extending in the axial direction of the preform. The rod part has an annular protrusion that protrudes in the radial direction of the rod part and makes contact with the inner peripheral surface of the preform. The rod part makes contact with the bottom part of the preform and controls axial contraction of the preform. The protrusion controls radial contraction of the preform and also propagates heat between the rod part and the preform to adjust the temperature at a predetermined part in the axial direction of the preform.
This temperature regulating mold for regulating the temperature of a bottomed resin preform that has been injection-molded is provided with one or more regulation parts which each face a portion of an outer circumferential surface of the body of the preform and which each locally heat a prescribed site in the circumferential direction of the preform. The regulation parts are disposed so as to have circumferential gaps formed therebetween, and the attachment positions thereof can be adjusted in the circumferential direction.
A preform including: an opening portion; a body portion; and a bottom portion, the preform having a two-layer structure in which the body portion and the bottom portion include an inner layer made of a virgin material and an outer layer made of a recycled material, in which a weight ratio of the recycled material to a total weight of the preform is 50% by weight or more, a ratio of a thickness of the outer layer to a thickness of the inner layer in the body portion is 1.5 or more, and a haze of a body portion of a container molded from the preform is 1.8% or less.
B29C 45/14 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet en incorporant des parties ou des couches préformées, p.ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
A blow molding apparatus includes a machine bed, an upper base disposed at intervals in a vertical direction from the machine bed, a transport plate configured to rotate at a height position of the upper base to convey the preform between an injection molding part and a blow molding part, and an elevation mechanism configured to move the transport plate or the upper base up and down in the vertical direction with respect to a mold disposed on the machine bed. A support pillar includes a height adjusting part configured to adjust a stroke of the transport plate or the upper base in the vertical direction with respect to the machine bed.
An injection blow molding apparatus comprises: a first oil supply section which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from an oil tank to an injection mold drive unit provided in an injection mold unit; and a second oil supply section which has a hydraulic drive source composed of a drive motor, whose number of revolutions can be controlled, and a hydraulic pump and which supplies oil from the oil tank to a blow mold drive unit provided in a blow mold unit, the second oil supply section being provided independently of the first oil supply section.
B29C 49/56 - Moyens d'ouverture, de fermeture ou de serrage
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
B29C 45/67 - Dispositifs d'ouverture, de fermeture ou de serrage des moules hydrauliques
B29C 45/56 - Moyens pour plastifier ou homogénéiser la matière à mouler ou pour la forcer dans le moule utilisant des éléments de moules mobiles pendant ou après l'injection, p.ex. pour le moulage par injection-pressage
This mold is provided with a position adjustment mechanism that receives a shaft part extending from a cavity mold accommodating a preform, and that adjusts a position at which the cavity mold is held in a plane crossing an extending direction of the shaft part. The position adjustment mechanism is provided with a first member on which a linear cam hole for receiving the shaft part is formed, and a second member that is arranged overlapping the first member in the extending direction of the shaft part and rotates with respect to the first member along the plane. The second member has a long hole that crosses the cam hole in the plane direction and positions the shaft part together with the cam hole. Further, a position at which the cam hole and the long hole cross each other moves along a longitudinal direction of the cam hole as the second member rotates.
There is provided a resin container manufacturing apparatus configured to stretch a preform disposed in a stretch blow molding mold by a stretching rod and stretch the preform by introducing blow air into the preform so as to form a resin container. The resin container manufacturing apparatus includes detection means for detecting an actual position of the stretching rod inserted into the preform, and supply control means for controlling a supply state of the blow air based on a detection result of the detection means.
A method for manufacturing a resin container, the method including: injection-molding a bottomed preform made of resin; and blow-molding the preform to manufacture a resin container, in which the injection molding includes filling a cavity formed by at least an injection core mold and an injection cavity mold with a molten resin to form the preform, and a first groove that extends from a bottom portion defining portion to a neck portion defining portion is formed in a surface of the body portion defining portion of the injection core mold.
This resin container manufacturing method comprises: an injection molding step for forming, by injection molding, a bottomed, cylindrical resin preform having different strength distributions in the circumferential direction thereof; and a blow molding step for producing a container by subjecting the preform to blow molding in a state in which potential heat at the time of injection molding is kept in the preform. In the injection molding step, by using an injection mold which has a partially projecting part formed in the circumferential direction of the bottom part thereof and further by changing the flow velocity and/or temperature of the resin passing the projecting part, a region that has a higher strength than the rest of the circumferential portion of the preform and that begins at a position corresponding to the projecting part is formed in the preform.
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B29C 33/42 - Moules ou noyaux; Leurs détails ou accessoires caractérisés par la forme de la surface de moulage, p.ex. par des nervures ou des rainures
93.
Resin molded article manufacturing device, and manufacturing device control method
A manufacturing apparatus for manufacturing a resin molded article includes: an injection molding part configured to inject resin into an injection mold and injection-mold the resin molded article; a control unit configured to control the injection by the injection molding part; a calculation unit configured to calculate a pressure reduction curve for reducing a pressure generated by the injection; and an input unit via which a user inputs a condition of the pressure reduction curve, in which the control unit is configured to control the injection based on the pressure reduction curve.
This method for producing a resin container has: an injection molding step for injection molding a preform that is made of resin and that has a body part and a bottom part; a temperature adjustment step for adjusting the temperature of the preform produced in the injection molding step; and a blow molding step for blow molding the preform, the temperature of which has been adjusted, to produce a resin container. In the injection molding step, the preform is injection molded using an injection mold having a bottom-part wall thickness that is 0.7-0.85 relative to the body-part wall thickness. Also, in the temperature adjustment step, a cooling medium is introduced into the preform to cool the bottom part of the preform.
This resin container manufacturing method comprises: an injection molding step for injection molding a resin preform; a temperature adjustment step for adjusting the temperature of the preform produced in the injection molding step; and a blow molding step for producing a resin container by blow molding the preform the temperature of which was adjusted. During the injection molding step: an injection mold is opened after filling and dwelling of a resin material have been completed; and after the completion of the filling and dwelling, the preform is taken out without being cooled in the injection mold. Also, during the temperature adjustment step, a refrigerant is introduced into the preform to cool the preform.
In a blow-molding apparatus, a cooling device and a heating device are each driven by being supplied with electricity of a predetermined voltage from a supply power source. The blow-molding apparatus comprises: a monitoring device configured to constantly monitor fluctuation of the predetermined voltage; and an output automatic control mechanism configured to, in a case where the predetermined voltage monitored by the monitoring device fluctuates beyond a normal range, automatically fluctuate an output of at least one of the heating device and the cooling device to keep the output in a certain range, thereby adjusting at least one of the preform temperature and the ambient temperature to fall within a normal temperature range.
The apparatus for manufacturing a resin container includes a heating unit configured to heat a preform using heaters and, a blow molding unit configured to blow-mold the preform that has been heated, accumulators that are connected to the blow molding unit and for storing a pressurized gas to be used for blow molding, and a connection pipe that connects the heating unit and the accumulators via an electrically driven valve, in which the electrically driven valve is closed when electric power is supplied, and is opened when electric power is not supplied to cause the gas in the accumulators to flow to the heating unit.
B29C 49/64 - Chauffage ou refroidissement des préformes, des paraisons ou des objets soufflés
B29C 49/42 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet - Eléments constitutifs, détails ou accessoires; Opérations auxiliaires
98.
Method for manufacturing resin container and blow molding method
In a method for manufacturing a resin container, in the adjusting the temperature of the preform, the preform is accommodated in a cavity mold, a refrigerant introduction member is inserted into the preform, the refrigerant introduction member including a first flow path and a second flow path which are different in introduction or discharge position of a refrigerant, the preform is cooled by bringing the preform into close contact with an inner wall of the cavity mold at a pressure of the refrigerant introduced from the refrigerant introduction member. When the preform is cooled, cooling is performed by switching between a first cooling blow for introducing the refrigerant from the first flow path and discharging the refrigerant from the second flow path and a second cooling blow for introducing the refrigerant from the second flow path and discharging the refrigerant from the first flow path.
An injection molding mold including: a flow path through which a molten resin passes; a main body portion including an introduction portion configured to introduce the molten resin into the flow path and a supply portion configured to supply the molten resin from the flow path to a cavity mold; and a plug unit formed with a plug flow path which is a part of the flow path, the plug unit being attachable to the main body portion, in which a prevention portion configured to prevent a pressure loss from occurring when the molten resin passes through the flow path is formed at a portion of the plug flow path where a moving direction of the molten resin changes.
The present application includes an injection molding step and a stretch blow molding step. The stretch blow molding step is configured to include: a first step in which preliminary blow air is introduced into a preform to stretch the preform in a state in which a stretching rod does not contact the bottom of the preform; a second step which is executed after the first step, and in which the preliminary blow air is introduced into the preform and the stretching rod is moved at a set speed and pressed against the bottom of the preform to stretch the preform; and a third step which is executed after the second step, and in which final blow air is introduced into the preform to stretch the preform.
B29C 49/00 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet
