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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0126251 (1993-09-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 39 인용 특허 : 0 |
Joinder of two adjacent segments of steel pipe having an outer diameter of at least 12 inches, by a bridging sleeve, the sleeve being joined to both pipe segments by magnetic forming. Apparatus enabling the process includes a segmented ring-shaped coil brought together around the joinder, to form a
A method for joining two large-diameter steel pipe segments together, each pipe segment having a central axis, an inner wall with an inner diameter, an outer wall with an outer diameter at least as large as 12 inches, said diameter of said two segments being equal to one another, an axial passage de
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