[특허]Method of producing a laminated molding

[미국특허] Method of producing a laminated molding 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B27N-003/08 B29C-045/16 B32B-031/06
출원번호	US-0524466 (1995-09-07)
우선권정보	JP-0214775 (1994-09-08)
발명자 / 주소	Abe Tomokazu,JPX Saito Yoshiaki,JPX Fukushima Terunobu,JPX
출원인 / 주소	Idemitsu Petrochemical Co., Ltd., JPX
대리인 / 주소	Flynn, Thiel, Boutell & Tanis, P.C.
인용정보	피인용 횟수 : 14 인용 특허 : 17

초록 ▼

A method of producing a laminated molding, such as an air current control valve used in an air conditioner for a vehicle, is made to be united with an facing material having the flexible surface of a basic plate made of resin. When the above laminated molding is produced, a used mold should be split into a stationary mold portion and a movable mold portion. Also, a compression core is provided in the movable mold portion. The facing material is temporarily fixed on a mold-face of the stationary mold portion and a mold-face of the compressive core of the movable mold portion opposite the mold-face of the stationary mold portion, during the aforementioned state, a melting synthetic resin is fed into a mold and then the fed melting synthetic resin is compressed by moving the compression core toward the stationary mold portion. By compressing the compression core, it makes a space providing a larger volume than a molding in the cavity which is being fed with the melting synthetic resin; this allows the melting synthetic resin to be quickly fed under a high injection pressure, whereby each cycle process takes place in a shorter time. Furthermore, after the melting synthetic resin is filled in the cavity, the pressure force exerted on the compression core is capable of being decreased, without the flexible facing material being damaged.

대표청구항 ▼

[ What is claim is:] [1.] A method of producing a laminated molding having facing material on at least one side, comprising the steps of:providing a mold with a stationary mold portion and a movable mold portion that is capable of movement towards and away from said stationary mold portion, said stationary mold portion being provided with a mold face and said movable mold portion being provided with a mold face located opposite said mold face of said stationary mold portion;placing said mold in an open position wherein said movable mold portion is placed in a distal position relative to said stationary mold portion;temporarily securing a sheet of compressible facing material to at least one of said opposed mold faces;placing said mold in a closed position wherein said movable mold portion is positioned proximal to said stationary mold portion so that the compressible facing material is compressed between said stationary mold portion and said movable mold portion;performing a molten resin feed step by feeding a molten resin between the compressible facing material and said mold face opposite said mold face to which the compressible facing material is secured so that the molten resin flows between the compressible facing material and said mold face;after initiating said molten resin feed step, retracting said movable mold portion away from said stationary mold portion simultaneously with the continuation of said molten resin feed step to define a space into which the molten resin flows during said molten resin feed step;terminating said retracting of said movable mold portion and resetting said movable mold portion so that said mold applies a first compressive force against said molten resin;terminating said molten resin feed step;before said molten resin fully hardens, resetting said movable mold portion so that said mold applies a second compressive force against said molten resin, said second compressive force being less than said first compressive force;allowing said molten resin to cool and completely harden to form the laminated molding while maintaining said second compressive force against said molten resin; andafter the laminated molding is formed, opening said mold by retracting the movable mold portion away from the laminate molding and removing the laminated molding from said mold.

이 특허에 인용된 특허 (17) 인용/피인용 타임라인 분석

Eckardt Helmut (Hilchenbach-Allenbach DEX) Ehritt Jrgen (Hilchenbach-Allenbach DEX), Apparatus for forming plastic.
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Horie Takaaki (Nagoya JPX) Higashi Kazutoshi (Anjo JPX), Manufacturing method of resin damper having foamed resin seal material.
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Tiitola Antti-Jussi (Tampere FIX), Method and apparatus for making a laminated ski.
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Hara Takahisa (Kawanishi JPX) Matsumoto Masahito (Ibaraki JPX) Usui Nobuhiro (Takatsuki JPX) Kitayama Takeo (Ibaraki JPX) Matubara Shigeyoshi (Osaka JPX), Method for forming a fiber reinforced thermoplastic resin shaped article.
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Hara Takahisa (Hyogo JPX) Matsumoto Masahito (Osaka JPX) Usui Nobuhiro (Osaka JPX) Matsubara Shigeyoshi (Osaka JPX), Method for press molding thermoplastic resin.
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Hara Takahisa (Kawanishi JPX) Matsumoto Masahito (Ibaraki JPX) Usui Nobuhiro (Takatsuki JPX) Matubara Shigeyoshi (Osaka JPX), Method for producing multi-layer molded article.
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Hara Takahisa (Kawanishi JPX) Matsumoto Masahito (Ibaraki JPX) Usui Nobuhiro (Takatsuki JPX) Matubara Shigeyoshi (Osaka JPX), Method for producing polypropylene resin article having skin material lined with foamed layer.
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Hara Takahisa (Kawanishi JPX) Matsumoto Masahito (Osaka JPX) Usui Nobuhiro (Osaka JPX) Matubara Shigeyoshi (Osaka JPX), Method of forming a multilayer molded article.
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Yokote Sachio (Kanagawa JPX) Yokogi Kenji (Kanagawa JPX) Misumi Masaki (Kanagawa JPX), Method of forming composite moldings.
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Monnet Bernard Leon (Bellignat FR), Method of injection-moulding by injection of an article composed of at least three different materials.
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Zion Earl M. (Newark OH), Method of molding thick parts of fibrous-ply-reinforced resin.
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Uda Naotake (Yamaguchi JPX) Kouno Yasuo (Iwakuni JPX) Shiomura Tadayoshi (Yamaguchi JPX), Process for injection compression molding.
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Rose Ren (Voisin-le-Bretonneux FRX), Process for making card bodies and cards incorporating graphic symbols.
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Bontems Maurice (Pagny sur Moselle FRX) Desmicht Denis (Pagny sur Moselle FRX), Process for manufacturing composite tubes.
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Breezer Harlon W. (Portage WI) Price William F. (Portage WI), Process for producing a selectively reinforced thermoformed article.
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Hara Takahisa (Kawanishi JPX) Matsumoto Masahito (Osaka JPX) Usui Nobuhiro (Osaka JPX) Matsubara Shigeyoshi (Osaka JPX), Process for producing multilayer molded article.
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Hara Takahisa (Kawanishi JPX) Matsumoto Masahito (Ibaraki JPX) Usui Nobuhiro (Takatsuki JPX) Matubara Shigeyoshi (Osaka JPX), Process for producing multilayer molded article including folding of a skin material over a back of a resin material.
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이 특허를 인용한 특허 (14) 인용/피인용 타임라인 분석

Hoogland, Hendricus Antonius, Apparatus and method for manufacturing products from a thermoplastic mass.
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Hoogland,Hendricus Antonius, Apparatus and method for manufacturing products from a thermoplastic mass.
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Hoogland, Hendricus Antonius, Apparatus for manufacturing products from a thermoplastic mass.
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Nelson, Thomas J., Compound injection molded high pressure laminate flooring.
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Dittmar, Harri, Injection moulding process for producing components.
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Nelson, Thomas J.; Krejchi, Mark T.; Patterson, Jon M.; Villari, Frank; LoPresti, Phil; Nelson, James P.; Bauer, Mark D.; Green, Peter Malcolm, Insert injection molded laminate work surface.
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Bessho, Masahiro; Matsuo, Shiki; Nishimura, Wataru; Kariya, Toshihiko; Toda, Naoki, Method for manufacturing a fiber-reinforced composite material.
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Kato, Mitsutoshi; Sato, Yasuhiro; Ichitani, Yutaka; Nakashima, Kunio; Saito, Hiroyuki, Method for manufacturing an air passage switching door.
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Stadler,Edmund; Reinerth,Peter; Deininger,Armin; Reindl,Armin, Method for producing composite elements.
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Blanchon, Charles-Guillaume; Vuaillat, Thierry, Mold with a moving joint face for making a plastics material piece, and a method using such a mold.
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Yoshiaki Saito JP; Tomokazu Abe JP; Terunobu Fukushima JP, Molding die for laminated molding.
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Egerer, Gerhard; Schwenk, Roland; Vogler, Christian, Process for producing molded parts, in particular decorative part and/or trim part for the passenger compartment of a vehicle.
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Yoshitaka Kobayashi JP; Nobuhiro Usui JP, Process for producing multilayer molded article.
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Sato, Kan'ichi; Oishi, Masayuki, Sheet-like structure material and manufacturing method.
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[미국특허] Method of producing a laminated molding 원문보기