发明名称 EXECUTION METHOD OF INSERTED PIPE JOINT FOR BURYING STEEL PIPE, AND INSERTED PIPE JOINT
摘要 PROBLEM TO BE SOLVED: To provide the execution method of an inserted pipe joint for a burying steel pipe and an inserted pipe joint, wherein the advantage of the inserted pipe joint formed by caulking, and no effects are given to use, such as a power conductor, a communication cable or the like. SOLUTION: The inserted pipe joint 10 of a burying steel pipe is constructed in such a manner that a burying steel pipe 11a having a pipe end part set as a diameter-expanded part 12a and a burying steel pipe 11b having a pipe end part set as a diameter-expanded part 12b are placed to face each other, the diameter-expanded part 12b of an inserting side is inserted into the diameter- expanded part 12a of an inserted side and adhered by fixing in a pull-out preventing zing 14, and the diameter-expanded parts 12a and 12b are set at inner diameters d1 and d2 never lower than the inner diameters D1 and D2 of the burying steel pipes 11a and 11b by providing caulking parts 13a and 13b. Thus, no effects are given to power conductors, communication cables or the like in the burying steel pipes 11a and 11b.
申请公布号 JP2000227184(A) 申请公布日期 2000.08.15
申请号 JP19990027756 申请日期 1999.02.04
申请人 NKK CORP 发明人 NASU TAKU;KATO AKIHIKO;MATSUYAMA EIJI
分类号 F16L21/08;(IPC1-7):F16L21/08 主分类号 F16L21/08
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