[특허]One-piece composite lip seal

One-piece composite lip seal 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/32
출원번호	US-0730581 (1991-07-15)
발명자 / 주소	Schofield Alan P. (Placentia CA) Krzemien Mark A. (Long Beach CA)
출원인 / 주소	Furon Company (Laguna Niguel CA 02)
인용정보	피인용 횟수 : 59 인용 특허 : 0

초록 ▼

A composite one-piece dynamic lip seal forms a dynamic ring seal between static and dynamic surfaces in a variety of applications requiring fluid sealing. The lip seal body is generally U-shaped in cross section and is principally made from a soft elastomeric material. The seal has ID and OD legs on opposite sides of a cavity in its high pressure end, forming ID and OD lips of the seal, either of which can be the dynamic leg of the seal depending upon the application. A U-shaped energizer spring is integrally bonded to the elastomer and is aligned with the U-shaped cross section of the seal so that ID and OD legs of the spring apply radial spring loading to the ID and OD legs of the seal. A reinforcing ring integrally bonded to the elastomeric body of the seal forms an exterior contact surface and an elastomeric reinforcement along a substantial length of the dynamic leg of the seal, from a low pressure end of the seal to an end spaced from the high pressure end of the seal. The reinforcing ring bonds to the elastomeric body, which then forms the contact surface on the dynamic leg of the seal continuously from the reinforcing ring to the high pressure end of the seal. The reinforcing ring is made from a fluorocarbon polymer such as PTFE with a low coefficient of friction and a high compressive modulus.

대표청구항 ▼

A composite one-piece lip seal for forming a dynamic ring seal between static and dynamic surfaces of relatively movable parts, the lip seal body being made of an elastomeric material, the seal having a relatively narrower radial low pressure end and a relatively wider radial high pressure end and a dynamic leg extending between the low pressure and high pressure ends to form the seal\s contact surface to said dynamic surface during use, the seal including spring means for energizing the dynamic leg of the seal in its sealing contact, the seal further including a reinforcing ring having an L-shaped cross-section integrally molded and bonded to the elastomeric body of the seal, the long leg of the L being relatively thin and of substantially uniform width and forming an exterior surface and an elastomer reinforcement means along at least one-half the length of the dynamic leg of the seal, the long leg of the L extending from the low pressure end of the seal to a location spaced less than about one-half the distance from the seal\s high-pressure end with the elastomeric body which extends beyond the end of the long leg of the L forming the contact surface on the dynamic leg of the seal continuously from the end of the reinforcing ring to the high pressure end of the seal, the reinforcing ring including a radial leg which extends inwardly a short distance along the low pressure end of the seal, the outer surface of the radial leg being flush with the surface of the low pressure end of the seal, said reinforcing ring being made from a fluorocarbon polymer having a lower coefficient of friction and a higher compressive modulus than the elastomer.

이 특허를 인용한 특허 (59)

Bivens, Steven L., Air damper with graphite coated lip seal.
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Russell,Larry R., Antiextrusion device.
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O'Malley, Edward J.; Thompson, Grant R., Apparatus including metal foam and methods for using same downhole.
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Urbach, Brian A., Ball joint seal.
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Halling, Horace P., Bi-directional wellhead seal.
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Holt,Augustus Brooks; Roberts,Paul E.; Schofield,Alan P., Cammed seal assembly with sealing ring having an angled leg portion and foot portion with elastomeric energizer element.
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Henderson Gary L., Capped spring-energized seal.
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Xu, Zhiyue; Zhao, Lei, Carbon composites.
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Zhao, Lei; Xu, Zhiyue; Richard, Bennett M., Coatings containing carbon composite fillers and methods of manufacture.
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Tones, Christopher E.; Burnett, Gregory; Wong, Kwongvoon; Rogalski, Earl, Flooded bearing isolator.
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Moutafis, Timothy E.; Fischer, David M., High pressure pumping cartridges for medical and surgical pumping and infusion applications.
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Perry, Carl Allison, High pressure seal assembly for a moveable shaft.
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Heldmann, Joerg; Jaeger, Hans-Juergen; Oehrlein, Alexander, Maintenance-free bearing with tolerance compensation properties against wear and misalignment.
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Heldmann, Joerg; Jaeger, Hans-Juergen; Oehrlein, Alexander, Maintenance-free bearing with tolerance compensation properties against wear and misalignment.
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Jon J. Radosav, Mechanical face seal.
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Radosav, Jon J., Mechanical face seal.
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Radosav, Jon J., Mechanical face seal.
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Jyh Wen Peng TW, Method for semiconductor wafer processing system.
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Kosty, John W.; Lenhert, Jon M.; MacIssac, Michael A., Method of making a seal formed from polymer laminated metallic constructions.
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Kosty,John W.; Lenhert,Jon M.; MacIsaac,Michael A., Method of making seals from polymer laminated metallic constructions.
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Janian,Robert, Multi spring ring.
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Grabau Ted D. ; Wilson Robert T., Polymer reinforced fluid seal.
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Lenhert, Jon M.; Racicot, Robert T.; Le, Kha V., Polymer seal assembly.
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Pollack Jack ; Hobson Robert M,FRX, Pressure energized seal.
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Cramer, David; Roberts, Andrew; Perry, Carl Allison, Pressure locking device for downhole tools.
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Shima, Toshihiko; Fujiwara, Hidetoshi; Kuroyanagi, Munetoshi; Suzuki, Takuya; Ishitoya, Tsukuo; Yamashita, Akira, Pressure reducer.
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Yokoyama, Kazutaka; Takeuchi, Kazuo, Quick connector for piping.
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Goodman, James R., Radial lip seal.
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Buuck, Glenn; Heller, Thomas G., Reciprocating cylinder liner seal assembly.
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Noble, Stephen D.; Brook, Thomas; Muehlchen, Bruce, Seal assembly with two sealing mechanisms for providing static and dynamic sealing.
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Lev, Leonid C.; Podorashi, Dimitri A.; Lukitsch, Michael J.; Michler, Thorsten; Xiao, Xingcheng, Seal performance for hydrogen storage and supply systems.
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Furuyama Hideyuki,JPX ; Anzue Kaoru,JPX ; Mizunoya Kouichi,JPX ; Yamanaka Satoshi,JPX, Sealing device.
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Drijver Frans P. (Eze sur Mer FRX) Poldervaart Leendert (La Turbie FRX), Sealing element.
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Cain David E. ; Posluszny Andrew C. ; Schoen Rudolf R. ; Smith Jerald L. ; Stoddard Robert K. ; Vicic John C. ; Cunningham Christopher E.,NOX ; French Steven M. ; Tait Jim,GB6, Seals containing composite non-extrusion springs.
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Reagan Michael P. (Greenwell Springs LA), Split face mechanical sealing rings and their use.
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Pow Martin Alexander,GBX, Split seal.
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Foster, Mike, Spring assemblies with spring energized seal members and related methods.
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Goldswain Ian Martyn,GBX ; Roberts Lev Uryevich,GBX, Spring energized plastic seals.
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Jaeger, Hans-Juergen; Burgeff, Dominique, System, method and apparatus for tolerance ring with functional layers.
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Wheeler Wallace T., Urethane packing member with improved geometric configuration.
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Parra, Gregory J, Valve with self-expanding seals.
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Henszey Richard R. ; Weiss Bruce W., Variable pressure reducing device.
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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

One-piece composite lip seal 원문보기

초록 ▼

대표청구항 ▼

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이 특허를 인용한 특허 (59)

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One-piece composite lip seal 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (59)

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특허 원문 보기

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