发明名称 |
APPARATUS FOR PROCESSING WELDS OF PIPES |
摘要 |
Tensile residual stress in an annular welded joint part joining the ends of unit pipes is mechanically removed by applying repeated hammering strokes against the inner surface of the pipes over the entire joint part, thereby to cause such part to undergo local plastic deformation. The repeated hammering strokes, which have a peening effect, are applied by several automatically operating hammering devices mounted radially on a rotary head secured to and unitarily moving with a shaft which is driveable in rotation about its axis and in translation in its axial direction. |
申请公布号 |
DE3276948(D1) |
申请公布日期 |
1987.09.17 |
申请号 |
DE19823276948 |
申请日期 |
1982.12.20 |
申请人 |
KAWASAKI JUKOGYO KABUSHIKI KAISHA |
发明人 |
YOSHIDA, TOSHIO;ATSUTA, TOSHIO |
分类号 |
B23K31/00;B23K31/02;B23P9/04;B24B39/02;C21D7/04;(IPC1-7):C21D7/04;B21D31/06 |
主分类号 |
B23K31/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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