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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0040273 (1979-05-17) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 4 인용 특허 : 0 |
The specification discloses a pressure responsive pipe joint seal for sealing connecting pipe joint members. The sealing flanges on the seal define upwardly, outwardly and downwardly curved upper surfaces so that there is less tendency for them to get caught on a pipe joint member as adjacent member
A pressure responsive pipe joint seal for sealing connecting pipe sections comprising: an annular base member for fitting into a receiving channel in a joint member and at least one annular and resiliently flexible sealing flange on said base member curving upwardly, outwardly and then downwardly fr
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