METHOD AND APPARATUS OF LINING A PIPE
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United States of America Patent
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N/A
Issued Date -
Dec 8, 2011
app pub date -
Jun 3, 2010
filing date -
Jun 3, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An apparatus and a method for using a bladder in combination with a curable material capable of curing and hardening is disclosed. A curable material capable of curing and hardening is dispensed about an interior wall of a damaged section of a pipe ahead of an inverting end of a bladder. The bladder inverts to push a plate attached to a dispensing unit, pushing the assembly through the pipe, while also compressing the curable material against the interior wall of the pipe. The material is pressed into fractures and the bladder remains inflated until the material cures and hardens, leaving a newly lined pipe. An assembly for forming the lining in the pipe includes a dispensing hose, a dispensing unit, and a bladder.
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Cited Art Landscape
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