Gasket having a pliable resilient body with a perimeter having characteristics different than the body
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16J-015/12
B64C-001/00
출원번호
US-0469603
(2012-05-11)
등록번호
US-9701388
(2017-07-11)
발명자
/ 주소
Busby, Jeff
Boomer, Kent
Boyd, Matt
Dry, Michael
Smith, Doug
출원인 / 주소
Aviation Devices & Electronic Components, LLC
대리인 / 주소
Jackson Walker, LLP
인용정보
피인용 횟수 :
0인용 특허 :
55
초록▼
A single piece gasket is disclosed having a skeletal member, typically metallic, and a pliable body. The pliable body includes a first portion having a first firmness and a second perimeter portion have a firmer consistency. When such a composite body is placed under compression, the perimeter will
A single piece gasket is disclosed having a skeletal member, typically metallic, and a pliable body. The pliable body includes a first portion having a first firmness and a second perimeter portion have a firmer consistency. When such a composite body is placed under compression, the perimeter will tend to limit the flow of the softer inner material past the firmer perimeter region or portion of the gasket. In this manner, creep or overrun of the less firm portion material will be reduced.
대표청구항▼
1. A gasket for placement between a first part having an outer perimeter shape and a second part, the gasket comprising: a deformable, compressible, flexible body having a first, tacky inner portion and a second, non-metallic perimeter portion; wherein the first, inner portion comprises a gel and ha
1. A gasket for placement between a first part having an outer perimeter shape and a second part, the gasket comprising: a deformable, compressible, flexible body having a first, tacky inner portion and a second, non-metallic perimeter portion; wherein the first, inner portion comprises a gel and has a first firmness and the second, perimeter portion has a second firmness, the second firmness being greater than the first firmness;wherein the second, perimeter portion generally conforms to the outer perimeter shape of the first part;wherein the gasket further includes a skeleton having an upper and a lower surface, the upper and lower surfaces planer and parallel, the skeleton having an outer perimeter, the skeleton being at least partly open so as to allow the gel of the first, inner portion to fill the openings, the skeleton engaging at least the first inner portion of the body so as to lay between an upper and a lower surface thereof;wherein the second, perimeter portion of the body at least partly extends beyond the outer perimeter of the skeleton; andwherein the outer perimeter of the skeleton extends partly into the second, perimeter portion of the body. 2. The gasket of claim 1, wherein the second, perimeter portion of the body extends beyond the outer perimeter of the first part. 3. The gasket of claim 1, wherein the first, inner portion has a durometer hardness (half cone penetrometer) of between about 75 and 150. 4. The gasket of claim 1, wherein the second, perimeter portion has a “00” durometer hardness of between about 15 to 75. 5. The gasket of claim 1, wherein the first, inner portion has a firmness of between about 75 and 150 measured by a 37.5 g half cone penetrometer, and wherein the second, perimeter portion has a “00” durometer hardness of between about 15 to 75. 6. The gasket of claim 1, wherein the second, perimeter portion is tabular. 7. The gasket of claim 1, wherein the second, perimeter portion is convex. 8. The gasket of claim 1, wherein the second, perimeter portion is concave. 9. The gasket of claim 1, wherein the second, perimeter portion is toothed. 10. The gasket of claim 1, wherein the second, perimeter portion is trapezoidal. 11. The gasket of claim 1, further including an adhesive portion configured for placement between the body and one of either the workpiece or the base. 12. The gasket of claim 1, further including an elastomeric perimeter gasket member, configured to lay adjacent an outer surface of the second, perimeter portion of the body when the body is between the workpiece and the base. 13. The gasket of claim 1, wherein the second, perimeter portion of the body is undercut. 14. The gasket of claim 1, wherein the second, perimeter portion of the body is straight cut. 15. The gasket of claim 1, wherein the second, perimeter portion of the body is overcut. 16. The gasket of claim 1, wherein the second, perimeter portion is UV resistant. 17. The gasket of claim 1, wherein the second, perimeter portion is a polysulfide. 18. The gasket of claim 1, wherein the skeleton is a flexible, flat, woven mesh. 19. The gasket of claim 18, wherein the skeleton is metallic. 20. The gasket of claim 18, wherein the skeleton is non-metallic. 21. The gasket of claim 1, wherein the second perimeter portion is a polysulfide. 22. The gasket of claim 1, wherein the first, inner portion comprises a cured polyurethane gel. 23. The gasket of claim 1, wherein the second, perimeter portion comprises a non-gel polymer. 24. The gasket of claim 1, wherein the first, inner portion is pre-cured and the second, perimeter portion is a cure in place polymer. 25. The gasket of claim 1, wherein the second, perimeter portion of the body is less tacky than the first, tacky inner portion. 26. The gasket of claim 1, wherein, pre-compression, the second, perimeter portion of the body is thicker than the first, inner portion of the body. 27. The gasket of claim 26, wherein the second, perimeter portion of the body in cross-section has a pair of raised lips. 28. The gasket of claim 1, wherein, pre-compression, the thickness of the first, inner portion is between about 25 to 100 mil.
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