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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0060038 (1979-07-24) |
우선권정보 | JP-0102037 (1978-07-25) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 5 |
A valve device includes a base board and a suction pressure responsive valve having two ports defined by tubular portions. The base board is composed of a pair of superimposed plates and a sealing gasket between the plates. One of the plates is formed with a pair of channels and the other with a pai
A valve device comprising base board means including a first plate formed with at least one opening and a second plate formed with at least one channel communicating with said one opening, sealing member means including a resilient sealing gasket interposed between said first and second plates, said
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