发明名称 |
STABILIZING ATTACHMENT FOR BORING HEAD |
摘要 |
A stabilizing attachment for a boring head is provided. The attachment includes a clamp for engaging a rotatable head plate of the boring head, a pair of support arms extending axially of the annular clamping ring, and a transverse plate carried by the support arms at their outer ends. The transverse plate supports a shaft on which is mounted an anti-friction bearing, the outer race of which engages an opening in the wall of a pressure vessel. A bit carried by the head plate of the boring head moves in an annular path to cut a gasket seat about the opening. A method of cutting an annular groove in a wall, utilizing a stabilizing attachment for a boring head which engages in an opening in the wall. |
申请公布号 |
JPS6085804(A) |
申请公布日期 |
1985.05.15 |
申请号 |
JP19840195876 |
申请日期 |
1984.09.20 |
申请人 |
WESTINGHOUSE ELECTRIC CORP |
发明人 |
ERUBAATO PATORITSUKU ODOORU |
分类号 |
B23B29/03;B23B3/26;B23B41/00;B23B45/14 |
主分类号 |
B23B29/03 |
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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