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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0696193 (1976-06-15) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 9 인용 특허 : 0 |
A valve structure in which a valve member moves into and out of contact with first and second valve seating areas, the valve member contacting the seating areas with different forces. The movable valve member is comprised of block members coupled together so that a change in their relative longitudi
A valve structure comprising a valve member movable into and out of contact with first and second valve seating areas, first closure means for urging said valve member into engagement with said first valve seating area with a first force, and second closure means for urging said valve member into en
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