PIPE JOINT

申请公布号：JP2007113702(A)

申请号：JP20050305954

申请日期：2005.10.20

申请公布日期：2007.05.10

申请人：

CALSONIC KANSEI CORP

发明人：TAMURA MASAAKI

分类号：F16L23/16

主分类号：F16L23/16

摘要：<p><P>PROBLEM TO BE SOLVED: To provide a pipe joint which reduces a penetration amount of refrigerant to the atmosphere and simultaneously which uses a conventionally structural joint and a backup ring. <P>SOLUTION: The pipe joint is configured to form as the endless type backup ring 1 by holding down the backup ring 1 in joint attachment groove 5 formed on the pipe joint 3 connecting a pipe 2 as an annular concave part by a hold-down tool 7 after attaching the backup ring 1 formed with a notched part 6 which separates a part of the ring and then by thermally fusing the notched part 6 by a heating means 8. <P>COPYRIGHT: (C)2007,JPO&INPIT</p>

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