发明授权
- 专利标题: Process for constructing prestressed conduit for heated fluids
- 专利标题(中): 用于加热加热流体的预制管道的构造过程
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申请号: US3654691D申请日: 1969-10-20
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公开(公告)号: US3654691A公开(公告)日: 1972-04-11
- 发明人: WILLHITE GLEN PAUL , MARTIN WILLIAM L
- 申请人: CONTINENTAL OIL CO
- 专利权人: ConocoPhillips Holding Co
- 当前专利权人: ConocoPhillips Holding Co
- 优先权: US52557366 1966-02-07; US87123969 1969-10-20
- 主分类号: F16L59/06
- IPC分类号: F16L59/06 ; F16L59/08 ; F16L59/12 ; B23P11/02
摘要:
A process for constructing conduits of at least 30 feet in length within a conduit of a similar length wherein both conduits are joined in prestress.
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