Verifiable quick patch repair for composite structures
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-003/26
B32B-007/12
B64F-005/00
B32B-037/12
B29C-073/14
B32B-037/10
출원번호
US-0181962
(2014-02-17)
등록번호
US-9539798
(2017-01-10)
발명자
/ 주소
Georgeson, Gary E.
Griess, Kenneth H.
출원인 / 주소
The Boeing Company
대리인 / 주소
Ostrager Chong Flaherty & Broitman P.C.
인용정보
피인용 횟수 :
1인용 특허 :
5
초록▼
A composite structure comprising a parent structure having a hole, an insert in the hole, and a first patch bonded by adhesive to one side of the parent structure and one side of the insert. The first patch comprises a first multiplicity of pre-stressed members arranged in side-by-side relationship
A composite structure comprising a parent structure having a hole, an insert in the hole, and a first patch bonded by adhesive to one side of the parent structure and one side of the insert. The first patch comprises a first multiplicity of pre-stressed members arranged in side-by-side relationship around a perimeter of the first patch. Each pre-stressed member is capable of returning to an unflexed curved state in the event that a strength of the bond between that pre-stressed member and an opposing portion of the parent structure becomes zero. The composite structure may further comprise a second patch bonded by adhesive to another side of the parent structure and another side of the insert. In one application, the composite structure is part of an aerial vehicle, e.g., a fuselage of an aircraft.
대표청구항▼
1. A composite structure comprising: a parent structure having a hole, said parent structure being made of composite material;an insert in said hole, said insert being made of composite material;a first patch bonded by adhesive to one side of said parent structure and one side of said insert, said f
1. A composite structure comprising: a parent structure having a hole, said parent structure being made of composite material;an insert in said hole, said insert being made of composite material;a first patch bonded by adhesive to one side of said parent structure and one side of said insert, said first patch being made of composite material, wherein said first patch comprises a central portion and a first multiplicity of pre-stressed members that extend outwardly from an outermost portion of said central portion of said first patch, wherein said central portion of said first patch is directly bonded to said one side of said insert by adhesive therebetween, and each of said first multiplicity of pre-stressed members is directly bonded to opposing portions of said one side of said parent structure by adhesive therebetween, each pre-stressed member of said first multiplicity being in a flexed state with a potential to deform toward an unflexed state in the event that a strength of the bond between that pre-stressed member and an opposing portion of said one side of said parent structure becomes zero; anda second patch bonded by adhesive to another side of said parent structure and another side of said insert, said second patch being made of composite material, wherein said second patch comprises a central portion and a second multiplicity of pre-stressed members that extend outwardly from an outermost portion of said central portion of said second patch, wherein said central portion of said second patch is directly bonded to said another side of said insert by adhesive therebetween, and each of said second multiplicity of pre-stressed members is directly bonded to opposing portions of said another side of said parent structure by adhesive therebetween, each pre-stressed member of said second multiplicity being in a flexed state with a potential to deform toward an unflexed state in the event that a strength of the bond between that pre-stressed member and an opposing portion of said another side of said parent structure becomes zero. 2. The composite structure as recited in claim 1, further comprising adhesive disposed in slits between adjacent pre-stressed members of said first multiplicity. 3. The composite structure as recited in claim 1, wherein said composite structure is part of an aerial vehicle. 4. A composite structure comprising: a parent structure having a hole, said parent structure being made of composite material;an insert in said hole, said insert being made of composite material;a first patch bonded by adhesive to one side of said parent structure and one side of said insert, said first patch being made of composite material, wherein said first patch comprises a central portion and a first multiplicity of pre-stressed members that extend outwardly from an outermost portion of said central portion of said first patch and are separated by slits, wherein said central portion of said first patch is directly bonded to said one side of said insert by adhesive therebetween, and each of said first multiplicity of pre-stressed members is directly bonded to opposing portions of said one side of said parent structure by adhesive therebetween and has the property that at least a portion of the pre-stressed member will deform toward an unflexed state in the event that a bond strength between said portion of said pre-stressed member of said first multiplicity and an opposing portion of said one side of said parent structure changes from a non-zero value to zero; anda second patch bonded by adhesive to another side of said parent structure and another side of said insert, said second patch being made of composite material, wherein said second patch comprises a central portion and a second multiplicity of pre-stressed members that extend outwardly from an outermost portion of said central portion of said first patch and are separated by slits. 5. The composite structure as recited in claim 4, wherein said first patch further comprises an innermost portion having a single opening, said innermost portion being bonded to said insert and not to said parent structure, and each of said first multiplicity of pre-stressed members being bonded to said parent structure and not to said insert. 6. The composite structure as recited in claim 1, wherein said first patch further comprises an innermost portion having a single opening, said innermost portion being bonded to said insert and not to said parent structure, and each of said first multiplicity of pre-stressed members being bonded to said parent structure and not to said insert. 7. The composite structure as recited in claim 1, further comprising a scrim disposed in the adhesive that bonds said first patch to said parent structure. 8. The composite structure as recited in claim 4, further comprising a scrim disposed in the adhesive that bonds said first patch to said parent structure. 9. A composite structure comprising: a parent structure having a hole, said parent structure being made of composite material;an insert in said hole, said insert being made of composite material; anda patch bonded by adhesive to one side of said parent structure and one side of said insert, said patch being made of composite material, wherein said patch comprises a central portion and a multiplicity of pre-stressed members that extend outwardly from an outermost portion of said central portion of said first patch, wherein said central portion of said first patch is directly bonded to said one side of said insert by adhesive therebetween, and each of said multiplicity of pre-stressed members is directly bonded to opposing portions of said one side of said parent structure by adhesive therebetween, each of said pre-stressed members being in a flexed state with a potential to deform toward an unflexed state in the event that a strength of the bond between that pre-stressed member and an opposing portion of said parent structure becomes zero. 10. The composite structure as recited in claim 9, further comprising adhesive disposed in slits between adjacent pre-stressed members of said multiplicity of pre-stressed members. 11. The composite structure as recited in claim 9, wherein said composite structure is part of an aerial vehicle. 12. The composite structure as recited in claim 9, further comprising a scrim disposed in the adhesive that bonds said patch to said parent structure. 13. The composite structure as recited in claim 1, wherein said insert comprises a central opening, said central opening being closed by a plug and not by a bolt. 14. The composite structure as recited in claim 4, wherein said insert comprises a central opening, said central opening being closed by a plug and not by a bolt. 15. The composite structure as recited in claim 9, wherein said insert comprises a central opening, said central opening being closed by a plug and not by a bolt.
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이 특허에 인용된 특허 (5)
Cologna Rudy L. (Bellevue WA) Eng Melvin D. (Seattle WA) King Edgar P. (Kent WA), Blind-side panel repair patch.
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