发明授权
- 专利标题: Method and device for lining a lateral sewer pipe
- 专利标题(中): 用于衬里侧排水管的方法和装置
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申请号: US10102059申请日: 2002-03-19
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公开(公告)号: US06484757B1公开(公告)日: 2002-11-26
- 发明人: Darcy Warren
- 申请人: Darcy Warren
- 主分类号: F16L55162
- IPC分类号: F16L55162
摘要:
An assembly for introducing a pipe liner into a branch line includes a launcher defining a passageway through which a resin impregnated pipe liner and bladder tube assembly passes. An inflatable member mounted to the launcher assembly is actuatable between an inflatable condition and a deflated condition. The pipe liner and bladder tube are secured in place by expanding the inflatable member outward against the inner surface of the branch line. Air pressure drives the bladder tube and pipe liner into the branch line. The bladder tube remains in place until the pipe liner hardens.