发明名称 |
EXTERNAL THREAD CUTTING DEVICE |
摘要 |
metal working. SUBSTANCE: device is used for cutting of external thread on pipes. Collet fixing element is made as axle with truncated cone for interaction with collet lugs and square tail-piece by widened part at one end and with thread at the other end. In addition, collet is provided with facet at point of transition from lugs to thread, and at lower end it has hollow for fastening nut. Device provides for reliable and accurate centering of cutting tool relative to pipe internal diameter. EFFECT: enhanced efficiency. 2 cl, 3 dwg
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申请公布号 |
RU2157743(C2) |
申请公布日期 |
2000.10.20 |
申请号 |
RU19980115666 |
申请日期 |
1998.08.17 |
申请人 |
OBSHCHESTVO S OGRANICHENNOJ OTVETSTVENNOST'JU "NAU;OOO NAU |
发明人 |
SMIRNOV I.N.;MOTIN V.N.;PUZANOV A.P.;KLIMOV JU.B. |
分类号 |
B23G1/30;B23G5/00;(IPC1-7):B23G1/30 |
主分类号 |
B23G1/30 |
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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