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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0521263 (1974-11-06) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 0 |
A high pressure pumping apparatus which incorporates a chamber adapted to be filled with a fluid to be pumped, a solid, nonyieldable reciprocating member and an opposing nonyieldable member. A resilient plug having a dished out portion is captured between the two members. The dished out portion is c
A pump comprising a resilient solid body of specified body size and having an exposed face; an opposing member formed of a material relatively harder than said resilient body, said opposing member further having an exposed working face opposing the face of said resilient body; an encircling peripher
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