Flame retardent composite structures and method of making the same
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0564184
(2009-09-22)
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등록번호 |
US-8419876
(2013-04-16)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
3 인용 특허 :
7 |
초록
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A method of fabricating a composite structure exhibiting reduced flammability includes forming a joint between two composite sections and substantially filling the joint with a structural adhesive. A strip of intumescent material is formed and placed in the joint surrounded by the intumescent materi
A method of fabricating a composite structure exhibiting reduced flammability includes forming a joint between two composite sections and substantially filling the joint with a structural adhesive. A strip of intumescent material is formed and placed in the joint surrounded by the intumescent material.
대표청구항
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1. A method of fabricating a composite structure exhibiting reduced flammability, comprising: forming a joint between two composite sections;substantially filling the joint with a structural adhesive;forming a strip of intumescent material, the strip of intumescent material configured to create a lo
1. A method of fabricating a composite structure exhibiting reduced flammability, comprising: forming a joint between two composite sections;substantially filling the joint with a structural adhesive;forming a strip of intumescent material, the strip of intumescent material configured to create a localized thermal barrier to insulate the adhesive from a flame; and,placing the strip of intumescent material in the joint. 2. The method of claim 1, wherein placing the strip in the joint comprises positioning the strip in a location, wherein the location is configured to maintain strength of the structural adhesive. 3. The method of claim 1, wherein forming the strip of intumescent material comprises assembling a thermal conductor and a layer of the intumescent material. 4. A method of fabricating a composite structure, comprising: forming a channel in a composite panel;bending the panel about the channel to define a pair of panel sections and an open joint between the panel sections;substantially filling the open joint with a structural adhesive;forming a strip of intumescent material, the strip of intumescent material configured to create a localized thermal barrier to insulate the adhesive from a flame; and,placing the strip of intumescent material in the joint substantially surrounded by the adhesive. 5. The method of claim 4, wherein placing the strip in the joint comprises positioning the strip in a location, wherein the location is configured to maintain strength of the structural adhesive. 6. The method of claim 4, wherein forming the strip of intumescent material includes assembling a thermal conductor and a layer of the intumescent material. 7. The method of claim 6, wherein the assembling is performed by forming the layer around the conductor. 8. The method of claim 6, wherein the assembling is performed by wrapping the conductor around the strip of intumescent material. 9. The method of claim 6, wherein the assembling is performed by filling a conductive perforated hollow tube with the intumescent material. 10. The method of claim 6, wherein the assembling is performed by: coating first and second conductors with the intumescent material,applying reinforcing fibers to each of the coated conductors,twining the conductors, andcuring the intumescent material. 11. A method of making a composite structure, comprising: providing a composite panel having a core and at least one outer facesheet;forming a channel partially through the depth of the panel that divides the panel into first and second panel sections;partially filling the channel with a high strength epoxy structural adhesive;assembling a device including a strip of intumescent material, reinforcing fibers, and a length of a conductor, the strip of intumescent material configured to create a localized thermal barrier to insulate the adhesive from a flame;placing the device substantially in the middle of the channel, the device is configured to reduce a self-extinguishing time for the high strength epoxy structural adhesive;filling the remainder of the channel with the structural adhesive;bending the panel sections relative to each other to close the channel and form the adhesive joint between the panel sections; andcuring the adhesive. 12. The method of claim 1, wherein the strip of intumescent material is configured to, upon expansion, reduce the temperature of the structural adhesive. 13. The method of claim 1, wherein expansion by the strip of intumescent material does not degrade the adhesive in locations of the joint which are not degraded by flame. 14. The method of claim 1, wherein the strip of intumescent material is configured to expand towards a flame in a vertical bunsen burner test. 15. The method of claim 1, wherein the strip of intumescent material is configured to reduce a self-extinguishing time for the structural adhesive. 16. The method of claim 3, wherein the thermal conductor is configured to lower the temperature of structural adhesive exposed to flame by directing heat away from the structural adhesive exposed to flame. 17. The method of claim 6, wherein the thermal conductor is configured to lower the temperature of structural adhesive exposed to flame by directing heat away from the structural adhesive exposed to flame. 18. The method of claim 4, wherein forming a strip of intumescent material comprises adding reinforcing fibers to the intumescent material. 19. The method of claim 1, wherein the strip of intumescent material comprises reinforcing fibers.
이 특허에 인용된 특허 (7)
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Riccitiello Salvatore R. (San Jose CA) Sawko Paul M. (San Jose CA), Fire protection covering for small diameter missiles.
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Blair, F. Dana; Green, George Edward, Fire resistant composite panel.
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Dietlein John E. (528 Webb Dr. Bay City MI 48603) Hampton Thomas C. (3008 Bay City Rd. Midland MI 48640), Intumescent foamable compositions.
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Dietlein John E. (Bay City MI) Hampton Thomas C. (Midland MI), Intumescent foamable compositions.
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Miguel Anthony S. (Leucadia CA) Perry John L. (El Toro CA) Wittman Gary R. (Costa Mesa CA), Intumescent material-honeycomb thermal barrier.
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Mattscheck Douglas (Monroe NY) Rogers David E. (Lehigh PA), Remotely activatable seal.
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Fabian,Edward J.; Napier,Lauren Robert; Giampapa,James S., Self extinguishing composite primary structure.
이 특허를 인용한 특허 (3)
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Paetow, Mario; Förg, Christian; Semler, Rudolf; Monden, Thomas, Device for passing pipes or cables through an opening in a building.
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Vail, III, William Banning; Skerl, Tomislav, Methods and apparatus for monitoring and fixing holes in composite aircraft.
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Vail, III, William Banning, Methods and apparatus to prevent failures of fiber-reinforced composite materials under compressive stresses caused by fluids and gases invading microfractures in the materials.
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