发明名称 |
Method and apparatus for fabricating a flexible lining with flexible collar for lining lateral pipelines |
摘要 |
A method and apparatus for fabricating a resin impregnable flexible liner for lining a lateral pipe which leads into a main pipe having at one end a flexible collar for installation at the location where the lateral liner meets the main is provided. The seal is formed using a pipe template with an opening conforming to the lateral to be sealed. A tubular portion of liner is inserted into the opening and a ring of flexible impregnable material is bonded to the tubular portion about the opening. An expandable plug holds the elements in position during bonding.
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申请公布号 |
US6044867(A) |
申请公布日期 |
2000.04.04 |
申请号 |
US19990342705 |
申请日期 |
1999.06.29 |
申请人 |
INSITUFORM (NETHERLANDS) N.V. |
发明人 |
TWEEDIE, JOHN;SMITH, PHILIP M.;WELLS, JEFF;MURRAY, KEVIN P. |
分类号 |
F16L55/163;F16L55/179;(IPC1-7):F16L55/16 |
主分类号 |
F16L55/163 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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