[특허]Multi-color lens assembly injection molding process and apparatus

[미국특허] Multi-color lens assembly injection molding process and apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29D-011/00
출원번호	US-0871169 (1997-06-09)
발명자 / 주소	Prophet Philip Alan Hall John Eric
출원인 / 주소	Guide Corporation
대리인 / 주소	Ice Miller Donadio & RyanTaylor
인용정보	피인용 횟수 : 26 인용 특허 : 7

초록 ▼

A multi-colored lens assembly is produced in a multi-station injection molding apparatus having non-indexing ejector halves and indexing cover halves. Material is shot on an unexposed illumination side of the lens assembly from valve gated nozzle drops contained in the non-indexing ejector halves thereby producing a viewing side of the lens assembly free of surface blemishes and surface stress defects. Lens assemblies are retained in the indexing cover halves by retention mechanisms provided to overlap peripherally extreme features of the lens assemblies. Lens assemblies are affirmatively released from the non-indexing ejector halves by ejection pins or blades simultaneously with parting of the mold halves.

대표청구항 ▼

[ We claim:] [1.] A method of injection molding multi-color lens assemblies including respective viewing sides and illumination sides, comprising the steps:(a) providing a multi-station injection molding apparatus having a plurality of non-indexing ejector halves corresponding to respective injection stations including ejector halves corresponding to an initial injection station and a final injection station and a corresponding plurality of indexing cover halves adapted for movement through sequentially progressive injection stations;(b) valve gating station specific portions of the lens assemblies at respective injection stations from nozzle drops in the non-indexing ejector halves, said valve gating being performed at the illumination sides of the lens assemblies;(c) simultaneously retaining the lens assemblies to the indexing cover halves with edge retention mechanisms engaging peripherally extreme portions of the lens assemblies while ejecting the lens assemblies from the non-indexing ejector halves as the indexing cover halves from the ejector halves are opened;(d) releasing completed lens assemblies from the indexing cover half at the final injection station by disengaging corresponding edge retention mechanisms from the peripherally extreme portions of the corresponding lens assembly;(e) shifting the indexing cover halves to respective sequentially progressive injection stations;(f) fully closing the non-indexing ejector halves and indexing cover halves; and,(g) repeating steps (b) through (f).

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Schomblond Jacques (Montagnieu FRX), Injection molds intended for the production of composite bodies such as multicolored light covers or components made of.
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Wang Lee Min-Young (No. 473 ; Chung-Shan S. Rd. Yung-Kang Hsiang ; Tainan Hsien TWX), Method and apparatus for manufacturing eyeglasses by forming integrally a frame unit on a lens unit.
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McBride Leonard,CAX, Method and apparatus for molding composite articles.
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Prophet Philip A. (Alexandria IN), Method of making a lamp assembly.
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Yanagihara Hirokazu,JPX ; Takezawa Shiro,JPX, Method of molding a synthetic resin layered lens for a vehicle headlight.
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Hettinga Siebolt (2123 NW. 111th St. Des Moines IA 50322), Method of molding a vehicle lamp assembly.
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Woerner, Klaus D., Multiple-injection molding using single-injection machines.
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이 특허를 인용한 특허 (26) 인용/피인용 타임라인 분석

Yao, Zhimin Jamie, Electronic device submounts including substrates with thermally conductive vias.
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Ikeda, Toru; Okubo, Hiroo; Obinata, Akira, Injection molding apparatus.
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Dudik, David C.; Rintamaki, Joshua I.; Allen, Gary R.; Kuenzler, Glenn H., LED lamp.
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Negley, Gerald H.; van de Ven, Antony P.; Hiller, Norbert, Light emitting diode arrays for direct backlighting of liquid crystal displays.
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Negley, Gerald H.; van de Ven, Antony P.; Hiller, Norbert, Light emitting diode arrays for direct backlighting of liquid crystal displays.
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Negley,Gerald H.; van de Ven,Antony P.; Hiller,Norbert, Light emitting diode arrays for direct backlighting of liquid crystal displays.
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Negley, Gerald H., Lighting device.
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Negley, Gerald H., Lighting device.
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Negley, Gerald H., Lighting device.
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Negley, Gerald H.; Van De Ven, Antony Paul, Lighting device.
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Negley, Gerald H.; Van De Ven, Antony Paul, Lighting device.
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Negley, Gerald H.; Van De Ven, Antony Paul, Lighting device with shaped remote phosphor.
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Pickard, Paul; Van de Ven, Antony P.; LeToquin, Ronan P., Lighting devices having remote lumiphors that are excited by lumiphor-converted semiconductor excitation sources.
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Pickard, Paul; Van de Ven, Antony Paul; LeToquin, Ronan P., Lighting devices having remote lumiphors that are excited by lumiphor-converted semiconductor excitation sources.
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Slater, Jr., David B.; Edmond, John; Donofrio, Matthew, Localized annealing of metal-silicon carbide ohmic contacts and devices so formed.
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Harrison,Donald G., One-piece integrally-formed goggle.
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Kuenzler, Glenn Howard; Martins, Jeremias Anthony; Chinniah, Jeyachandrabose; Cai, Dengke; Mayer, Mark J.; Yoder, Benjamin Lee, Optics system for solid state lighting apparatus.
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Slater, Jr., David B.; Negley, Gerald H., Phosphor-coated light emitting diodes including tapered sidewalls, and fabrication methods therefor.
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Swartz, Donald L., Rack and pinion ejector guiding system for a molding machine.
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Yoder, Benjamin Lee; Johnson, William Stewart; Rebman, Roderick Fitzgerald; Kuenzler, Glenn Howard; Mayer, Mark J.; Chinniah, Jeyachandrabose, Reflector and lamp comprised thereof.
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Negley, Gerald H.; Van De Ven, Antony Paul, Shifting spectral content in solid state light emitters by spatially separating lumiphor films.
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Negley,Gerald H.; van de Ven,Antony P.; Loh,Ban Poh, Solid colloidal dispersions for backlighting of liquid crystal displays.
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Negley,Gerald H.; Loh,Ban, Solid metal block mounting substrates for semiconductor light emitting devices.
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Negley, Gerald H., Solid metal block semiconductor light emitting device mounting substrates and packages.
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Negley,Gerald H.; Loh,Ban, Transmissive optical elements including transparent plastic shell having a phosphor dispersed therein, and methods of fabricating same.
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Summerer, Franz Josef, Transparent sheet-like shaped plastic part with concealed sprue mark, and process for producing it.
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IPC	Description
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] Multi-color lens assembly injection molding process and apparatus 원문보기