Tubular liner and a method for connecting ends of liner tubes
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United States of America Patent
Stats
-
Jul 14, 1998
Grant Date -
N/A
app pub date -
Feb 15, 1996
filing date -
Mar 23, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tubular liner, for lining the inner wall of a pipe, comprises a plurality of composite liner tubes, each liner type contains an inner layer of a resin-absorbable sheet and an outer layer of hermetic plastic film. The composite liner tubes are joined by spirally stitched abutting ends. In an embodiment, the inner resin-absorbable sheets are joined. An adhesive can be applied to the inner and outer walls of the resin-absorbable sheet along the stitched spiral seam.
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