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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0228229 (1981-01-26) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 23 인용 특허 : 2 |
A valve has an upper region connectable to a first piping system, a lower region connectable to a second piping system and an intermediate passageway therebetween which is opened and closed by a valve member which is reciprocated by an overhead actuator. The valve member has first and second members
A valve for allowing the separate flow of liquids through two separate lines without intermixing when the valve is in the closed position and for permitting flow between the two lines when the valve is in the open position, which valve comprises housing means having an internal wall forming an inter
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