发明名称 |
METHOD AND APPARATUS FOR EFFECTING BOILER TUBE REMOVAL |
摘要 |
A gap-cutter tool assembly for machining a longitudinal gap in an installed boiler tube is provided with clamp elements that engage the interior surface of the installed boiler tube, a cutter head track that provides a straight line cutting path within the tube interior and in the presence of different tube interior diameters, and a cutter head that co-operates with the cutter head track and that has different elevational positions during the cutter head cutting and return strokes, and at the end of the cutter head return stroke. |
申请公布号 |
CA2247488(C) |
申请公布日期 |
2004.10.26 |
申请号 |
CA19982247488 |
申请日期 |
1998.09.21 |
申请人 |
ARTHUR, RICHARD M.;WEEKS, BRUCE V. |
发明人 |
ARTHUR, RICHARD M.;WEEKS, BRUCE V. |
分类号 |
F22B37/58;(IPC1-7):F22B37/58 |
主分类号 |
F22B37/58 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|