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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0520780 (1974-11-04) |
우선권정보 | JA-0037260 (1972-04-13) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 0 |
Fluid flow control valves such as plug valves or cocks have the plugs thereof supported and sealed in the valve housing by a rigid but somewhat elastic plastics bearing member which is preloaded and compressed from its free state condition and seeks to reclaim this condition for taking up wear and p
A four piece valve cock which comprises an as cast metal housing having an axial open end and laterally extending bosses providing housing ports, a hollow cold formed metal plug in said housing having plug ports adapted to selectively register with said housing ports and a shaft portion projecting f
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