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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0793225 (1991-11-08) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 11 인용 특허 : 0 |
A seal and seat for ball valves is a circular, elastomeric open torus which is fitted between the ball element and the housing. The open torus has within it, a substantially “v”shaped spring that is fitted within the “u”shaped opening of the torus. In normal operation, the spring member is slightly
For use with a ball valve having an apertured spherical valve member adapted to rotate between an open and closed configuration within a housing having a substantially spherical chamber within which the valve member rotates, including a seal gallery adjacent the chamber, a sealing member comprising:
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