[특허]Injection molding apparatus with insert secured through the manifold to a nozzle

[미국특허] Injection molding apparatus with insert secured through the manifold to a nozzle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-045/20
출원번호	US-0784012 (1997-01-15)
우선권정보	CA-2193327 (1996-12-18)
발명자 / 주소	Gellert Jobst Ulrich,CAX Babin Denis L.,CAX
출원인 / 주소	Mold-Masters Limited, CAX
대리인 / 주소	Dalesman & Company
인용정보	피인용 횟수 : 25 인용 특허 : 3

초록 ▼

Multi-cavity injection molding apparatus having a number of heated nozzles extending from a melt distribution manifold. Each nozzle is aligned with a tapered insert seated in an opening extending through the manifold. Each insert has a melt duct with a smoothly curved bend to connect the melt passage in the melt distribution manifold with the melt bore through the nozzle. Each insert has a flat disc portion abutting against the rear surface of the manifold. Screws extend through this disc portion and the manifold into an outer collar portion of the nozzle to secure the insert and the aligned nozzle directly to the manifold, while allowing the nozzle to be mounted with its electrical terminal having a selected orientation.

대표청구항 ▼

[ The embodiments of the invention in which an exclusive property or privilege is claimed is defined as follows:] [1.] In a multi-gate injection molding apparatus having a melt distribution manifold extending between a mold back plate and a plurality of spaced heated nozzles, the melt distribution manifold having a front surface and a rear surface and the mold back plate having a front surface with an insulative air space extending between the rear surface of the melt distribution manifold and the front surface of the mold back plate, each heated nozzle having a rear end, a front end, an elongated inner core portion, an outer collar portion encircling the inner core portion adjacent the rear end, and an electrical heating element with a terminal portion extending radially outward from the outer collar portion, the front surface of the melt distribution manifold abutting the rear ends of the nozzles, the inner core portion of each nozzle having a head at the rear end and a melt bore extending therethrough from the rear end to the front end, the outer core portion of each nozzle having a shoulder against which the head of the inner core portion abuts, a gate leading to a cavity adjacent the front end of each heated nozzle, a melt passage which receives melt at a common inlet and branches in the melt distribution manifold to the melt bore through each heated nozzle to convey melt to the gates, a removable insert in alignment with each nozzle, each insert having a rearwardly extending portion and a front end, the rearwardly extending portion extending rearwardly into contact against the front surface of the mold back plate, a melt duct extending from an inlet on an outer surface of the insert to an outlet on the front end thereof to form a portion of the melt passage, the improvement further comprising:each insert having an outwardly extending flat disc portion abutting against the rear surface of the manifold, a plurality of screws extending through holes in the disc portion of the insert, through aligned holes in the melt distribution manifold and into aligned holes in the collar portion of the aligned nozzle to secure the insert in place and secure the aligned heated nozzle to the melt distribution manifold with the rear end of the heated nozzle abutting against the front surface of the melt distribution manifold, whereby the holes in the disc portion of the insert, the aligned holes in the melt distribution manifold and the aligned holes in the collar portion of the nozzle are angularly positioned to mount the heated nozzle with the terminal portion of the heating element extending outwardly in a selected orientation, andeach insert having a tapered outer surface (74) which tapers inwardly toward the front end (76) thereof so as to form a tapered portion which is fitted into a correspondingly tapered opening (22) in manifold (12), said insert having in the tapered portion a melt duct (80) consisting of a single smooth curved bend (82) which extends from an inlet (84) to a central inlet (86) at front end (76), which said bend forms part of the melt passage (10).

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

Gellert Jobst U. (7A Prince Street Georgetown ; Ontario CAX L7G 2X1), Injection molding insert having an aligned pin and melt inlet.
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Gellert Jobst U. (7A Prince Street Georgetown ; Ontario CAX L7G 2X1), Injection molding system having dual feed bushing seated in manifold.
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Schmidt Harald H. (Georgetown CAX) Rozema Henry J. (Brampton CAX), Sealing and retaining bushing for injection molding.
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이 특허를 인용한 특허 (25) 인용/피인용 타임라인 분석

Mohammed, Sohail; Macleod, Darrin Albert, Back-up device for use in a melt distribution apparatus of an injection molding system.
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Jenko, Edward Joseph, Hot runner including nozzle-support structure.
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Babin,Denis; Colonico,Gino, Hot runner manifold plug for rheological balance in hot runner injection molding.
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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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Sato, Takaaki; Kato, Takashi; Kuriyama, Takeshi, Injection molding apparatus.
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Fairy,Fabrice, Injection molding manifold with multi-axis adjustable manifold blocks and nozzles.
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Olaru, Gheorghe, Injection molding nozzle.
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Olaru,George, Injection molding nozzle.
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Babin,Denis, Injection nozzle system and injection molding machine incorporating same.
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Guenther,Hans; Olaru,George, Injection nozzle system for an injection molding machine.
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Van Boekel, Franciscus Antonius Jozef, Injection-moulding device.
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Fairy,Fabrice; Feick,Murray; Tabassi,Payman, Manifold plug for an injection molding apparatus.
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Olaru, Gheorghe; Goslinski, Rhonda, Melt redistribution element for an injection molding apparatus.
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Beaumont, John P.; Hoffman, David A., Method and apparatus for balancing flowing conditions of laminar flowing materials.
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Sicilia,Robert, Mixing device.
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Babin,Denis L, Multi-cavity injection molding apparatus splitting melt near nozzle front.
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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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Babin,Denis, Nozzle with thermally conductive device.
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Babin,Denis, Sprue bushing anti-drool device.
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Babin, Denis; Zuest, Randy, Valve bushing assembly.
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Tabassi,Payman, Valve pin bushing with vent channels for an injection molding apparatus.
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Fischer,Jonathon; Babin,Denis, Valve pin guidance and alignment system for an injection molding apparatus.
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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 insert secured through the manifold to a nozzle 원문보기

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[미국특허] Injection molding apparatus with insert secured through the manifold to a nozzle 원문보기

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