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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0481797 (1983-04-04) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 24 인용 특허 : 10 |
Disclosed is a threaded pipe connection. The connection includes tubular externally threaded male members and a tubular internally threaded female coupling threadedly engaged with the male members. The male members include a continuous thread having a first preferably straight portion and a second t
A tubular joint, which comprises: a tubular externally threaded male member having a continuous helical thread having a first threaded portion with a flat angle of taper with respect to the axis of said male member and a second threaded portion with a second angle of taper with respect to the axis o
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