Segment for a rehabilitation pipe, and pipe rehabilitation method
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United States of America Patent
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-
Mar 22, 2016
Grant Date -
Oct 10, 2013
app pub date -
Jan 30, 2013
filing date -
Oct 4, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A segment for a rehabilitation pipe is formed of an inner surface plate having an inner circumferential surface, and side plates and end plates provided upright on a peripheral edge of the inner surface plate. The inner surface plate, the side plates, and the end plates are formed integrally from a plastic material, and a number of such segments are linked in circumferential and pipe-length directions to form the rehabilitation pipe. Each of the side plates is provided with at least one hole through which a linking member is inserted for linking the segments in the pipe-length direction, and is provided separately from the hole with an opening at an end in the vicinity of the end plate for a linking operation of the segments in the circumferential direction and for passing therethrough a filler material injected into a space between the existing pipe and the rehabilitation pipe.
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