[특허]Method and apparatus for producing a thin-walled article of synthetic resin, in particular a large-sized article

[미국특허] Method and apparatus for producing a thin-walled article of synthetic resin, in particular a large-sized article 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-005/00
출원번호	US-0242295 (1981-03-10)
우선권정보	NL-0001450 (1980-03-11)
발명자 / 주소	le Comte Adolf (New Rochelle NY)
출원인 / 주소	Le Comte-Holland B.V. (Vianen NLX 03)
인용정보	피인용 횟수 : 19 인용 특허 : 0

초록 ▼

A method of manufacturing a thin-walled article of synthetic resin, in particular a large-sized article, while using an inner and an outer template, the synthetic resin being supplied via one or more apertures in one of the two template portions and whereby a partial vacuum is maintained via one or

대표청구항 ▼

A method of manufacturing a thin-walled article of synthetic resin, in particular a large-sized article, and using a mold having an inner and outer, shape defining template which define therebetween a cavity for forming said thin-walled article, at least one of said templates being responsive to pressure differentials between said cavity and the external for varying the spacing therebetween, said method comprising the steps of: establishing a partial vacuum in the cavity between said templates via plural discharge apertures in at least one of said two templates; supplying synthetic curable resin to said cavity via one or more apertures in at least one of said templates under pressure; controlling the application of said partial vacuum and synthetic resin supply pressure by increasing said pressure and removing said partial vacuum so that said templates recede from each other in at least a portion thereof whereby a stagnation zone in said cavity between said portions is eliminated; and restoring said partial vacuum and restoring the pressure of the resin supply to the pressure before the increase thereof. Apparatus for manufacturing a large-sized, thin-walled article comprising: first and second templates positioned to define a cavity therebetween corresponding to the thin-walled article; said templates having a fixed shape to define the exterior surface of said thin-walled article by the shape of the inner facing surfaces of said templates; a plurality of cores within said cavity of predetermined structural shapes; a layer of glass fiber material between said cores and said templates; means for applying synthetic resin under variable pressure to said cavity; at least one of said templates being sufficiently flexible in the region of said cores to permit said templates to recede from each other under the influence of pressure applied to said cavity relative to the exterior thereby to facilitate the flow of fluent resin material between said cores and said templates; means for applying a partial vacuum to said cavity through apertures in at least one of said templates; means for providing removal of said vacuum between portions of said templates and for elevating the pressure of the supplied synthetic resin to cause said templates to recede from each other in said portion whereby stagnation zones at said portions are eliminated.

이 특허를 인용한 특허 (19) 인용/피인용 타임라인 분석

Hemphill, W. Scott, Apparatus and method for use in molding a composite structure.
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Mataya,Robert F.; Morphis,Tommy, Boat hull and method of manufacture.
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Mataya,Robert F., Closed molding tool.
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Mataya,Robert F.; Morphis,Tommy, Closed molding tool.
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Bailey Mark L., Gravity feed resin delivery system for VARTM fabrication.
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McClure, Edward Norman; Jackson, Steven Alan; Sweesy, Philip J., Grooved core pattern for optimum resin distribution.
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McClure, Edward Norman; Jackson, Steven Alan; Sweesy, Philip J., Grooved mold apparatus and process for forming fiber reinforced composite structures.
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Tunis ; III George C. ; Winckler Steven J., Large composite core structures formed by vacuum assisted resin transfer molding.
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Tunis ; III George C. ; Winckler Steven J., Large composite core structures formed by vacuum assisted resin transfer molding.
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Seemann ; III William H. ; Tunis ; III George C. ; Perrella Andrew P. ; Haraldsson Rikard K. ; Everitt William E. ; Pearson Everett A., Large composite structures and a method for production of large composite structures incorporating a resin distribution.
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Tunis, III, George C.; Seemann, III, William H., Large composite structures and a method for production of large composite structures incorporating a resin distribution network.
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Cartwright, Craig Lawrence, Method controlling the exotherm of a vacuum resin infusion.
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Cartwright, Craig Lawrence; Radice, Joshua James, Pressure equalized vacuum resin infusion process.
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McClure Edward Norman ; Jackson Steven Alan ; Sweesy Philip J., Process of forming fiber reinforced composite articles using an insitu cured resin infusion port.
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Banerjee Subrata (Glen Ellyn IL) Sullivan Neal T. (Westchester IL), Reinforcement of refractories by pore saturation with particulated fillers.
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Mack,Patrick E.; Smith,Mitchell D., Three-dimensional spacer fabric resin infusion media and reinforcing composite lamina.
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Mack,Patrick E.; Smith,Mitchell D., Three-dimensional spacer fabric resin interlaminar infusion media process and vacuum-induced reinforcing composite laminate structures.
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Seemann William (Gulfport MS), Unitary vacuum bag for forming fiber reinforced composite articles and process for making same.
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Seemann William (Gulfport MS), Vacuum bag for forming fiber reinforced composite articles and method for using same.
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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] Method and apparatus for producing a thin-walled article of synthetic resin, in particular a large-sized article 원문보기