[특허]Injection molding apparatus with a one-piece gate insert locating a cylindrical valve member

[미국특허] Injection molding apparatus with a one-piece gate insert locating a cylindrical valve member 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-045/23
출원번호	US-0854243 (1997-05-09)
우선권정보	CA-2203741 (1997-04-25)
발명자 / 주소	Gellert Jobst Ulrich,CAX Babin Denis L.,CAX
출원인 / 주소	Mold-Masters Limited, CAX
대리인 / 주소	Dalesman & Company
인용정보	피인용 횟수 : 42 인용 특허 : 4

초록 ▼

Valve gated injection molding apparatus having a valve member with a cylindrical front end portion. A one-piece insert mounted at the front end of a nozzle has both a gate and locating blades extending inwardly from an outer body into a central opening leading to the gate. The inner surfaces of the blades fit around the front end portion of the reciprocating valve pin to guide and very accurately locate it in alignment with the gate. Very accurately maintaining the front end portion of the reciprocating valve pin in alignment with the gate allows it to be cylindrical rather than tapered which produces a much cleaner gate mark.

대표청구항 ▼

[ The embodiments of the invention in which an exclusive property or privilege is claimed is defined as follows:] [1.] In a valve gated injection molding apparatus to convey melt to a gate leading to a cavity in a mold comprising a heated nozzle having an outer surface, a rear end, a front end, a melt bore extending longitudinally therethrough from the rear end to the front end, and a seat extending around the melt bore at the front end, the nozzle seated in a well having an inner surface in the mold with an opening extending through the mold from the well to the cavity and an insulative air space extending between the outer surface of the nozzle and the inner surface of the well, an elongated valve member having a cylindrical front portion mounted to extend centrally in the melt bore through the nozzle, and valve member actuating means connected to the valve member whereby the valve member is reciprocated between a retracted open position wherein the melt flows through the gate from the melt bore into the cavity and a forward closed position wherein the cylindrical front portion of the valve member is seated in the gate, the improvement comprising:a one-piece gate and locating insert having a plurality of spaced valve member locating blades extending inwardly from an outer body, the outer body having a rear portion extending from a rear end, a front portion extending to a front end, a central opening extending therethrough from the rear end and tapering inwardly to form the gate at the front end, the gate and locating insert being mounted to extend across the air space between the nozzle and the mold with the rear portion of the outer body being removably received in the seat in the front end of the nozzle and the front portion of the outer body fitting in the opening in the mold to prevent melt leakage therebetween and to locate the front end of the nozzle, the locating blades extending inwardly into the central opening each having an inner surface, the inner surfaces fitting around the cylindrical front portion of the valve member to locate and maintain the cylindrical front portion of the valve member in accurate alignment with the gate as the valve member reciprocates between the retracted open position and forward closed position.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Gellert Jobst U. (7A Prince Street Georgetown CAX L7G 2X1), Injection molding heated gate insert and method.
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Krummenacher Josef (Muri CHX), Injection molding nozzle having a centering bushing.
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Gellert Jobst U. (7A Prince Street Georgetown ; Ontario CAX L7G 2X1), Injection molding nozzle insert with valve member locating blades.
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Gellert Jobst U. (7A Prince St. Glen Williams ; Ontario CAX), Melt spinning nozzle tip.
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이 특허를 인용한 특허 (42) 인용/피인용 타임라인 분석

Trakas, Panos, Adjustable valve pin assembly.
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Trakas,Panos, Adjustable valve pin assembly.
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Bouti, Abdeslam, Flow deflector in an injection molding system.
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Bouti, Abdeslam, Flow detector apparatus.
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Babin,Denis; Olaru,George, Gap seal between nozzle components.
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Schad, Robert D.; Sicilia, Roberto, Hot runner apparatus for an injection molding machine.
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Babin,Denis; Colonico,Gino, Hot runner nozzle with a tip, a tip surrounding piece and an alignment piece.
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Dewar, Neil; Babin, Denis, Injection manifold having a valve pin guiding device.
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Babin,Denis; Olaru,George, Injection molding apparatus having a nozzle tip and a tip surrounding piece of equal thermal conductivity.
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Gellert Jobst Ulrich,CAX ; Nakanishi Itsuto,CAX, Injection molding apparatus with removable nozzle seal.
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Aoki, Hideyuki, Injection molding die for producing a molded product having an appearance surface.
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Olaru, Gheorghe, Injection molding nozzle.
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Olaru,George, Injection molding nozzle.
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Fairy, Fabrice; Babin, Denis; Klobucar, Peter, Injection molding nozzle with valve pin alignment.
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Tabassi,Payman A., Injection molding valve pin bushing.
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Babin,Denis, Injection nozzle system and injection molding machine incorporating same.
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Babin, Denis; Guenther, Hans; Ho, Nin, Injection nozzle system for an injection molding machine.
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Guenther,Hans; Olaru,George, Injection nozzle system for an injection molding machine.
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Manigatter,Kurt; Reslhuber,Christian; Fattinger,Paul; Adlesgruber,Karl, Injection-molding nozzle system for injection-molding systems for plastic materials, injection-molding tool and method for producing injection-molded parts.
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Fischer, Jonathon, Method and apparatus for an automated injection molding configuring and manufacturing system.
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Fischer, Jonathon; Babin, Denis, Method for fast manufacturing and assembling of hot runner systems.
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Fischer, Jonathon; Babin, Denis, Method for fast manufacturing and assembling of hot runner systems.
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Fischer,Jonathon; Babin,Denis, Method for fast manufacturing and assembling of hot runner systems.
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Gellert,Jobst U., Mold gate insert with a thermal barrier.
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Klaus A. Wieder, Mold vent.
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Wieder, Klaus A., Mold vent and method.
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Favata, Domenico; Wolf, Claude Francois; Yankov, Peter; Said, Kevin Francis; MacLeod, Darrin Albert, Mold-tool system having a valve stem slide supported by a nozzle housing.
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Takeo Kitayama JP; Atsushi Takeuchi JP; Yasuhiro Toguchi JP; Mikihiko Kimura JP, Molding mold.
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Frank J. Eigler CA; Frederick G. Steil, Molding nozzle gate valve.
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Babin, Denis; Fairy, Fabrice; Goslinski, Rhonda, Multi-piece valve pin bushing.
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Mitadera, Jun, Multilayered container, die for multilayered container, and method for producing multilayered container.
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Trakas,Panos, Needle assembly with adjustable gating needle position for injection molding nozzle.
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Favata, Domenico; Wolf, Claude François; Yankov, Peter; Said, Kevin Francis; McLeod, Darrin Albert, Nozzle assembly for supporting slide movement of a valve assembly.
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Olaru, George, Nozzle for an injection molding apparatus.
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Olaru,George, Nozzle tip and seal.
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Bouti Abdeslam, Nozzle tip with weld line eliminator.
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Trakas, Panos, Valve gate system.
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Trakas, Panos, Valve gate system.
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Jenko Edward J., Valve gated injection molding system.
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Fischer,Jonathon; Babin,Denis, Valve pin guidance and alignment system for an injection molding apparatus.
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Sicilia, Rob; Babin, Denis, Valve pin guide for a valve-gated nozzle.
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Babin,Denis, Valve pin guiding tip for a nozzle.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Injection molding apparatus with a one-piece gate insert locating a cylindrical valve member 원문보기

초록 ▼

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이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

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[미국특허] Injection molding apparatus with a one-piece gate insert locating a cylindrical valve member 원문보기

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연구과제 타임라인

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이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (42) 인용/피인용 타임라인 분석

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