[특허]Insulated modular injection nozzle system

[미국특허] Insulated modular injection nozzle system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-045/20
출원번호	US-0785841 (1997-01-21)
발명자 / 주소	Puri Rajan,CAX
출원인 / 주소	Husky Injection Molding Systems, Ltd., CAX
대리인 / 주소	Fitzpatrick, Cella, Harper & Scinto
인용정보	피인용 횟수 : 70 인용 특허 : 8

초록 ▼

A modular injection nozzle system for use with hot runner injection machines employs a thermal insulating element between the tip of the injection nozzle and a removable mold gate insert. This thermal insulating element limits the heat loss from the tip to the gate insert, assists in sealing the gate area and provides assistance in aligning the gate and the nozzle during assembly. The removable mold gate insert allows for eased servicing and assembling/dis-assembling of the injection nozzle system and has limited contact with the mold plate. In one embodiment, the removable gate insert is mounted to the nozzle via the insulating member, which is in the form of a sleeve with exterior threads which are complementary to interior threads on the gate insert. The sleeve can either be press-fit onto the nozzle or can have interior threads which are complementary to exterior threads on the nozzle. In either case, the sleeve can assist in the alignment of the components of the nozzle system. In another embodiment, the insulating element also includes an gap between the nozzle tip and the gate insert, the gap having a suitable insulating gas or vacuum therein to provide additional insulation. In another embodiment, the insulating element comprises a layer of insulating material on the nozzle tip and the gate insert can either be press fit with the layer or the layer can have exterior threads can into it to engage complementary threads on the gate insert. In another embodiment, the insulating element is molded in place on the nozzle tip.

대표청구항 ▼

[ We claim:] [1.] An insulated modular injection nozzle system for use in conjunction with an injection molding machine having a mold cavity and a mold plate, comprising:a removable mold gate insert having a mold gate therein, said mold gate insert being removably coupled to an insulating element, said mold gate insert being removable from said mold plate in an axial direction of said insert;said nozzle assembly comprising a thermally conductive nozzle housing and a thermally conductive nozzle tip, said nozzle assembly defining at least one inner melt channel to receive molten resin and to direct said molten resin to said mold gate;at least one heater element in thermal contact with said nozzle assembly and operable to maintain said resin in a molten state through said at least one inner melt channel; andsaid insulating element disposed between said removable mold gate insert and said nozzle tip such that said nozzle tip is maintained adjacent said mold gate and inhibiting thermal transfer therebetween.

이 특허에 인용된 특허 (8) 인용/피인용 타임라인 분석

Schmidt Harald (Georgetown CAX) Sit Fong F. (Toronto CAX), Hot runner nozzle assembly.
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Gellert Jobst U. (7A Prince Street Georgetown ; Ontario CAX L7G 2X1), Injection molding nozzle having tapered heating element adjacent the bore.
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Gellert Jobst U. (Georgetown CAX) Freier Robert R. (Brampton CAX) Sheffield James J. (Loretto CAX), Injection molding nozzle with replaceable gate insert.
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Gellert Jobst U. (7A Prince St. Georgetown ; Ontario CAX L7G 2X1), Injection molding one-piece insert having cooling chamber with radial rib portions.
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Adas James O. (Clinton Twp. MI) Schroeder Fred W. (Utica MI) Steil Fred (Warren MI), Insulator for thermoplastic molding nozzle assembly.
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McGrevy Alan N. (Chino CA), Nozzle for heating and passing a fluid into a mold.
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Osuna-Diaz Jesus M. (Rochester MI), Nozzle for injection molding machines.
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Gellert Jobst U. (7A Prince Street Georgetown ; Ontario CAX L7G 2X1), Two-piece injection molding nozzle seal.
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이 특허를 인용한 특허 (70) 인용/피인용 타임라인 분석

Babin, Denis; Gammon, Scott; Ursu, Douglas; Di Simone, John, Edge-gated injection molding apparatus.
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Babin,Denis; Olaru,George, Gap seal between nozzle components.
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Olaru, George; Babin, Denis, Gap seal between nozzle components.
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Noot,Dirk Vander, Hot runner nozzle.
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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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Belous Eduardo L., Hot runner nozzle with laminar flow pin point tip.
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Olaru,George, Hot runner nozzle with melt sealing.
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Guenther,Hans, Hot runner nozzle with removable tip and tip retainer.
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Blais,Paul, Hot runner system components of two materials and method of manufacture.
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Keir, William Steven; Boxwala, Hakimuddin, Hot runner with removable gate pad.
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Iwasawa, Koki, Hot-runner molding apparatus and hot-runner nozzle.
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Paul L. Wright ; Richard P. Nightingale, Injection gate insulating and cooling apparatus.
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Wright Paul L. ; Nightingale Richard P., Injection gate insulating and cooling apparatus.
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Blot, Philippe; Chanteux, Joel; Giraudet, Thierry; Guillou, Romuald; Thomazeau, Laurent; Lutun, Xavier, Injection interface device.
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Hutchinson,Gerald A.; Lee,Robert A., Injection mold having a wear resistant portion and a high heat transfer portion.
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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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Hagelstein, Hans; Schrom, Andreas; Babin, Denis; Colonico, Gino, Injection molding apparatus having an elongated nozzle incorporating multiple nozzle bodies in tandem.
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Hagelstein,Hans; Schrom,Andreas; Babin,Denis; Colonico,Gino, Injection molding apparatus having an elongated nozzle incorporating multiple nozzle bodies in tandem.
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Chen, Jincheng; Lefebure, Brian R.; Mitchell, Paul W., Injection molding apparatus having swiveling nozzles.
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Gellert Jobst Ulrich,CAX ; Nakanishi Itsuto,CAX, Injection molding apparatus with removable nozzle seal.
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Chen, Jincheng, Injection molding apparatus with replaceable gate insert.
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Tooman,Patrick A., Injection molding drop tip.
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Blais, Paul Richard; Cernava, Stephen J.; Fikani, Fadi, Injection molding nozzle.
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Lefebure, Brian R., Injection molding nozzle.
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Olaru, George, Injection molding nozzle.
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Olaru, Gheorghe, Injection molding nozzle.
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Olaru,George, Injection molding nozzle.
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Fairy, Fabrice, Injection molding nozzle having an annular flow tip.
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Fairy,Fabrice, Injection molding nozzle having an annular flow tip.
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Baresich,Frank J.; Thompson,Robert F., Injection molding nozzle structured for cooling at extreme tip.
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Klobucar, Peter; Babin, Denis; Catoen, Bruce; Gammon, Scott, Injection molding valve gated hot runner nozzle.
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Miyazaki, Takemi; Hosoe, Shigeru; Fujii, Yuiti, Injection nozzle and molding apparatus.
상세보기
Bazzo, Maurizio; Trevisiol, Nico, Injection nozzle for plastic injection moulding equipment.
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Bazzo, Maurizio; Trevisiol, Nico, Injection nozzle for plastic injection moulding equipment.
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Fikani, Fadi, Injection nozzle insulator assembly.
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Babin, Denis; Zhuang, Helen, Injection nozzle system.
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Babin,Denis; Zhuang,Helen, Injection nozzle system.
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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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Gellert,Jobst; Guenther,Hans; Babin,Denis; Olaru,George, Lateral gating injection molding apparatus.
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McGrevy Alan N., Method for applying a differential heating to injection nozzle.
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Klobucar,Peter, Method of installing a mold gate insert in an injection molding apparatus.
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Blais, Paul, Method of manufacturing hot runner system components of two materials.
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Hutchinson, Gerald A.; Feichtinger, Heinrich K., Methods and systems for controlling mold temperatures.
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Tabassi, Payman; Hagelstein, Hans; Schrom, Andreas, Modular injection nozzle having a thermal barrier.
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Hutchinson, Gerald A.; Lee, Robert A.; Feichtinger, Heinrich K., Mold assembly having a pressure reducing device.
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Hutchinson, Gerald A.; Lee, Robert A., Mold for injecting molding preforms.
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Gellert,Jobst U., Mold gate insert with a thermal barrier.
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Hutchinson, Gerald A.; Lee, Robert A.; Farha, Said K., Mono and multi-layer articles and extrusion methods of making the same.
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Hutchinson, Gerald A.; Lee, Robert A.; Farha, Said K., Mono and multi-layer articles and injection molding methods of making the same.
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Barnett,Daniel Wayne, Nanocrystalline hot runner nozzle and nozzle tip.
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Barnett, Daniel Wayne, Nanocrystalline hot runner nozzle tip.
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Olaru, George, Nozzle for an injection molding apparatus.
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Gunther, Herbert; Sommer, Siegrid, Nozzle mouthpiece for an injection molding nozzle, injection molding nozzle and injection molding tool.
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Babin, Denis; Olaru, George, Nozzle seal for an injection molding apparatus.
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Fischer,Jonathon; Babin,Denis, Nozzle tip and seal.
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Olaru,George, Nozzle tip and seal.
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Hutchinson,Gerald A.; Lee,Robert A., Preform molds incorporating high heat conductivity material.
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Tooman, Patrick A.; Casey, Bruce, Pressure resistant drop tip nozzle for injection molding.
상세보기
Sicilia, Robert; Babin, Denis; Guenther, Hans, Removable heater for a hot runner nozzle.
상세보기
Sicilia,Robert; Babin,Denis; Guenther,Hans, Removable heater for a hot runner nozzle.
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Kloeppel, Glen R.; Grubicy, Claudio A.; Moritz, Timothy C.; Bubb, Margo E.; Spell, Brenda S., Repair tool for injection molding hot runner system.
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Hutchinson,Gerald A.; Lee,Robert A.; Feichtinger,Heinrich K., System for controlling mold temperatures.
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Olaru, George, Tip assembly having at least three components for hot runner nozzle.
상세보기
Babin,Denis, Transfer seal for a removable nozzle tip of 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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Fairy, Fabrice, Valve-gated injection molding nozzle having an annular flow.
상세보기
Fairy,Fabrice, Valve-gated injection molding nozzle having an annular flow.
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A62	인명구조; 소방(사다리 E06C)
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연합인증

[미국특허] Insulated modular injection nozzle system 원문보기

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[미국특허] Insulated modular injection nozzle system 원문보기

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