REHABILITATION PIPE AND PIPE REHABILITATION METHOD EMPLOYING REHABILITATION PIPE
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United States of America Patent
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Issued Date -
Jan 10, 2013
app pub date -
Jul 6, 2012
filing date -
Jul 8, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Segments each comprising an internal surface panel and outer wall panels at the peripheral edges of the internal surface panel are linked together in the circumferential direction to constitute a pipe unit. A wire or a band of aramid fibers is attached to the pipe unit, and the pipe units with the wire or the band of aramid fibers attached thereto are linked in succession in the pipe length direction to assemble a rehabilitation pipe inside an existing pipe. The wire or band of aramid fiber has high tensile strength, and can be embedded within a solidified filler that fills the gap between an existing pipe and the rehabilitation pipe, and therefore a high-strength composite pipe can be constructed.
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