Lateral pipe lining method and lateral pipe lining apparatus
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Nov 1, 2011
filing date -
Nov 2, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A main pipe is lined by a main pipe lining material comprising a resin pipe made of a thermoplastic resin. A flange of a lateral pipe lining material is formed of a material capable of being welded to the thermoplastic resin of the resin pipe of the main pipe lining material. The thermoplastic resins of the flange of the lateral pipe lining material and the resin pipe are heated for plastic welding by a heater to integrally join the flange of the lateral pipe lining material with the main pipe lining material. This prevents the ingress of underground water together with sediment into the main pipe from the section where the lateral pipe and the main pipe intersect.
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