发明名称 DOKANNOSETSUZOKUHOHO
摘要 <p>PURPOSE:To provide a method wherein a copper pipe disposed in a limited space is reliably and easily connected in a short time without the occurrence of leakage of water. CONSTITUTION:A second flange 2, an outer sleeve 3, and a first flange 4 are fitted in the outer surface of a pipe from the cut end of an existing copper pipe 1, a first flange 4 is positioned at a pipe end, and an inner sleeve 5 is inserted in the copper pipe 1 and positioned at a pipe end. A taper is formed at the end of the outer sleeve 3 and a taper is formed on the inner surface of the first flange 4. The tapers are brought into a butt against each other, the second flange 2 is pulled to the first flange 4, the taper of the outer sleeve 3 is caused to lodge in the taper of the first flange 4, and the first flange 4 is fixed to the end of the copper pipe 1.</p>
申请公布号 JP2630907(B2) 申请公布日期 1997.07.16
申请号 JP19930319147 申请日期 1993.11.24
申请人 NAKANO SETSUBI KOGYO KK 发明人 NAKANO SHIGERU;OKUMURA TADAO
分类号 F16L23/024;F16L23/026;F16L23/028;F16L23/036;(IPC1-7):F16L23/026 主分类号 F16L23/024
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