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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0894773 (1986-08-08) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 16 인용 특허 : 0 |
Pressure fluid control valves include modular body structures made up of a plurality of end to end connected body parts which are preferably finish fabricated by injection molding of thermoplastic. An axially movable closure member is supported in coaxial bores formed in the assembled body parts and
A valve actuator, which comprises: an actuator body; a shaft reciprocably movable with respect to said actuator body; a first flexible rolling diaphragm supported by said actuator body and including a hub portion having a central opening about said shaft and a conically tapered outer surface; a hub
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