发明授权
- 专利标题: Thrust rod anchor for pipe joint restraint systems
- 专利标题(中): 管接头约束系统推力杆锚杆
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申请号: US374000申请日: 1982-05-03
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公开(公告)号: US4492391A公开(公告)日: 1985-01-08
- 发明人: Robert E. Haines
- 申请人: Robert E. Haines
- 申请人地址: OH Columbus
- 专利权人: Star Industries, Inc.
- 当前专利权人: Star Industries, Inc.
- 当前专利权人地址: OH Columbus
- 主分类号: F16L21/08
- IPC分类号: F16L21/08 ; F16L13/04
摘要:
A thrust rod anchor for utilization in conjunction with a tied form of pipe joint restrainer system. The anchor utilizes spacers which are supported by flanges at their outer extremities and are bolted together over a pipe. A pipe engaging support is provided in conjunction with the outwardly disposed portions of the spacers in a manner wherein a rigid structural support is located adjacent to the surface of the pipe which serves to support and carry symmetrically disposed pipe engaging set screws. Thrust rods are connected to the assembly intermediate outwardly disposed connecting bolts and the set screws. The anchor assemblies of the invention have been shown to provide substantially enhanced anchoring resistance to thrust forces.
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