[특허]Formation of complex composite structures using laminate templates

Formation of complex composite structures using laminate templates 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64C-001/06 B32B-037/14 B64C-003/18
출원번호	US-0861641 (2015-09-22)
등록번호	US-10005267 (2018-06-26)
발명자 / 주소	Boone, Richard de Putter, Benjamin
출원인 / 주소	Textron Innovations, Inc.
대리인 / 주소	Erise IP, P.A.
인용정보	피인용 횟수 : 0 인용 특허 : 40

초록 ▼

Embodiments of a method to fabricate complex structures include making a pre-cured laminate template. The laminate template is first cured to the required shape, then surface prepared for joining to additional composite lamina. The laminate templates are used to position composite lamina in contact with one another. The composite lamina are then co-cured together to form one monolithic composite structure lacking bond lines or bonded joints. The laminate template supports additional composite lamina for formation of complex structures and replaces template tools from conventional methods.

대표청구항 ▼

1. A method to fabricate a composite structure, comprising: providing a laminate template including a first template surface having a bend;providing a first prepreg layup including a first side and a second side opposing the first side;securing at least a portion of the first side of the first prepreg layup to the first template surface including the bend to form a laminate template-prepreg, wherein the portion of the first prepreg layup secured to the laminate template substantially adopts the shape of the first template surface;providing a tool having a second template surface;providing a second prepreg layup including a first side and a second side opposing the first side;placing at least a portion of the first side of the second prepreg layup in contact with the second template surface of the tool such that the second prepreg layup substantially adopts the shape of the second template surface of the tool;positioning the laminate template-prepreg with respect to the second prepreg layup such that at least a portion of the second side of the first prepreg layup contacts the second side of the second prepreg layup, wherein the portion of the first prepreg layup including the bend is offset from the second prepreg layup to define a cavity between the first prepreg layup and the second prepreg layup; andco-curing the laminate template-prepreg and the second prepreg layup together after said positioning of the laminate template-prepreg to form a composite structure. 2. The method of claim 1, wherein the bend of the laminate template possesses an internal radius of curvature less than 0.25 inch. 3. The method of claim 1, wherein the thickness of the laminate template is about one third of the laminate template-prepreg thickness. 4. The method of claim 1, wherein securing the first side of the first prepreg layup to the first surface of the laminate template further comprises partially curing the first prepreg layup with the laminate template. 5. The method of claim 1, wherein the portion of the second side of the first prepreg layup contacting the second prepreg layup does not include the bend. 6. The method of claim 1, further comprising co-curing together the laminate template-prepreg with the second prepreg layup, while the second prepreg layup remains in contact with the tool, wherein at least a portion of the cavity is retained within the resulting composite structure. 7. The method of claim 1, wherein the first surface of the laminate template includes at least two bends. 8. The method of claim 1, wherein the second template surface of the tool includes one or more bends. 9. The method of claim 1, wherein providing the laminate template includes forming the laminate template, comprising: providing a template-forming tool with a third template surface having the bend;providing a third prepreg layup having a first side and a second side opposing the first side;placing the first side of the third prepreg layup in contact with the first surface of the template-forming tool, wherein the third prepreg layup substantially adopts the shape of the third template surface including the bend;curing the third prepreg layup while contacting the template-forming tool to form the laminate template; andremoving the cured laminate template from the template-forming tool. 10. The method of claim 9, further comprising: imparting a roughness to a first surface of the laminate template to form the first template surface of the laminate template.

이 특허에 인용된 특허 (40)

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Hartz Dale E. (The Boeing Company P. O. Box 3707 ; M/S 13-08 Seattle WA 98124-2207) Erickson David G. (The Boeing Company P. O. Box 3707 ; M/S 13-08 Seattle WA 98124-2207) Hopkins William B. (The Boe, Composite honeycomb sandwich structure.
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Ertel Daniel E. (Oconomowoc WI), Heat press for joining the spliced ends of a conveyor belt.
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DuPont Preston S. (Northridge CA) Ritter Robert E. (Palos Verdes Estates CA) McGrath Brian A. (Long Beach CA) Schaffer Brent G. (Redondo Beach CA) Fouts ; III Kenneth A. (El Cajon CA), Honeycomb facesheet material and honeycomb made therewith.
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Murray Allan D. (Dearborn MI) Tisack Michael D. (Ann Arbor MI) Wu Yitah R. (Inkster MI), Induction heating method for forming composite articles.
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Nobumasa Hitoshi (Otsu JPX) Shimizu Kazuharu (Otsu JPX), Light-weight composite material.
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Thompson James D. (998 Weaver Rd. Bronson MI 49028) Gates Dennis E. (998 Weaver Rd. Bronson MI 49028), Means and method of manufacturing a high strength bar.
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McKague Elbert Lee ; Albritton James R., Method and system for fabricating parts from composite materials.
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Allen, Gregory A.; Dinkel, Jesse C.; Sentz, John S., Method for fabricating an advanced composite aerostructure article having an integral co-cured fly away hollow mandrel.
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Gregory A. Allen ; Jesse C. Dinkel ; John S. Sentz, Method for fabricating an advanced composite aerostructure article having an integral co-cured fly away hollow mandrel.
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Sander, Peter; Marquardt, Hans; Lengsfeld, Hauke, Method for joining precured or cured stringers to at least one structural component of an aircraft or spacecraft.
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Maison, Serge; Meunier, Serge; Thibout, Cedric; Mouton, Luc; Payen, Herve; Vautey, Philippe; Coiffier-Colas, Carole; Delbez, Joel, Method for making parts in composite material with thermoplastic matrix.
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Sato, Keiichi, Method for producing intermediate product made of fiber-reinforced composite.
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Fujimoto, Hiroaki, Method for producing tubular body made of fiber reinforced resin and tubular body produced by method.
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Lindsay William E. (Mesa AZ), Method for vacuum bag molding fiber reinforced resin matrix composites.
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Nelson Ronald H. (Salt Lake City UT) Milovich Dimitrije (Salt Lake City UT) Wilcox Weston M. (Sun Prairie WI) Read Robert F. (Edgerton WI), Method making a composite bicycle frame using composite lugs.
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Hamamoto Kenji (Tokyo JPX) Amaoka Kazuaki (Tokyo JPX) Takizawa Naoya (Utsunomiya JPX) Hosoi Masanori (Shimotsuga JPX), Method of fabricating aircraft fuselage structure.
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Hawkins, Robert D.; Modin, Andrew E.; Depase, Edoardo P., Method of manufacturing curved composite structural elements.
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Boone, Richard, Process for bonding a vented hollow component.
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Vane Jeffrey A. (Newbury GB2), Process for continuously forming reinforced articles.
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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

내보내기 구분	파일저장 인쇄 메일전송
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메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Formation of complex composite structures using laminate templates 원문보기

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Formation of complex composite structures using laminate templates 원문보기

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연구과제 타임라인

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