发明名称 |
METHOD AND DEVICE FOR ENLARGING A CHIMNEY WHICH IS TO BE LINED AT THE INTERIOR BY CUTTING, ESPECIALLY BY MILLING, AND APPLICATIONS |
摘要 |
PCT No. PCT/EP89/00265 Sec. 371 Date Jan. 12, 1990 Sec. 102(e) Date Jan. 12, 1990 PCT Filed Mar. 13, 1989 PCT Pub. No. WO89/08802 PCT Pub. Date Sep. 21, 1989.An apparatus for cross-sectionally enlarging a chimney flue includes a fluid motor; a milling cutter mounted on the fluid motor and being driven thereby for removing constructional wall material from walls defining the flue; a suspension device for supporting the fluid motor and the milling cutter as a unit and for raising and lowering the fluid motor and the milling cutter in the chimney flue; a fluid pressure source; a hose connecting the fluid pressure source with the fluid motor for supplying the fluid motor with pressurized fluid from the fluid pressure source; a guiding device arranged about and travelling with the fluid motor for engaging the flue walls to guide the fluid motor in the flue; and a device for varying a radial position of the guiding device relative to the motor axis. |
申请公布号 |
EP0341394(A3) |
申请公布日期 |
1990.01.31 |
申请号 |
EP19890104394 |
申请日期 |
1989.03.13 |
申请人 |
FRIEDRICH SCHIEDEL KAMINWERKE GESELLSCHAFT M.B.H. |
发明人 |
FOULLOIS, BERNHARD, DIPL.-ING. |
分类号 |
B08B9/043;B28D1/18;F23J3/02;(IPC1-7):F23J3/02;B08B7/02;B08B9/02;B08B1/04 |
主分类号 |
B08B9/043 |
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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