Liner for a manhole and a method for lining a manhole
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 3, 2000
Grant Date -
N/A
app pub date -
May 19, 1998
filing date -
May 19, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flexible manhole liner bag soaked with a curable liquid resin is inserted into a manhole; this liner bag is equipped with step connectors having female screws, which are disposed to penetrate and be supported by a fabric layer of the liner bag; the open ends of the female screws are substantially flush with the inner face of the fabric layer, and male screws are screwed into these female screws and a sealing material is applied between the internal thread of the female screws and the external thread of the male screws.
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Family
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Cited Art Landscape
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