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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0419944 (1973-11-29) |
우선권정보 | JA-0086228 (1971-11-01) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 0 |
A valve comprising a valve body and a valve member, said valve body and valve member having cladded seats of hard metal metallurgically connected thereto, and a method for manufacturing said valve comprising a step of metallurgically connecting said seats to the valve body and the valve member throu
Method for manufacturing a valve comprising a valve body and a valve member, at least one of which has a seat attached thereto at a seat portion thereof and a recess adjacent to the junction between said seat and seat portion, said method comprising steps of placing a compressible filler material in
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