Joint structure of steel pipe and light metal pipe
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United States of America Patent
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Sep 20, 2011
Grant Date -
Jun 12, 2008
app pub date -
Oct 19, 2006
filing date -
Oct 19, 2006
priority date (Note) -
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Abstract
A joint structure of a steel pipe and a metal pipe includes a socket; and a thermosetting resin, the steel pipe including a first joining end having a flat portion of the outer surface of the first joining end adjacent to the base, and an uneven portion of the outer surface of the first joining end adjacent to the front end, the socket covering the first joining end, the metal pipe including a second joining end, the second joining end being interposed between the socket and the first joining end, the first joining end being joined to the second joining end by crimping while the thermosetting resin is present in the gap between the inner surface of the socket and the outer surface of the second joining end and between the outer surface of the first joining end and the inner surface of the second joining end.
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