Welding joint and welding method for same, welding device, welding joint, resin pipe welding device and welding method
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United States of America Patent
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May 9, 2017
Issued Date -
N/A
app pub date -
Apr 1, 2011
filing date -
Apr 22, 2010
priority date (Note) -
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Abstract
A synthetic resin-made welding joint that has a pipe end portion into which an end portion of a synthetic resin-made tube is to be fitted and inserted, and that is configured so that the pipe end portion and the tube end portion which is fitted and inserted thereinto are enabled to be welded together by heating of heating means which externally surrounds the pipe end portion, therefore, a synthetic resin-made holder which is fitted and attached onto the pipe end portion is disposed, and a flange for ensuring a radial expansion gap with respect to the heating means is integrally formed in the holder.
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