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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0537914 (1990-06-13) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 5 |
A fluid flow control valve has a diaphragm for sealing against a valve seat. The diaphragm includes two generally vertical annular lips extending upwardly and downwardly from a peripheral bead of the diaphragm. The bead is located at an interface between two mating portions of the valve with the lip
An improved fluid flow control valve of the type having a flexible diaphragm for sealing against a valve seat, wherein the diaphragm includes an annular portion located at the interface between two mating portions of the valve for supporting the diaphragm in the valve, wherein the improvement relate
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