发明名称 |
Process and assembly to cut a duct within an existing wall by holographic laser beam or focused ultrasonic emitter |
摘要 |
<p>An assembly cuts a duct (1) within an existing wall (3) and loosens the resulting debris. The bricks are cut by a holographic laser beam, or focused ultrasonic sound emissions directed at a single moving point (29). Also claimed is a suitable wall duct cutting assembly.</p> |
申请公布号 |
DE102005023715(A1) |
申请公布日期 |
2006.11.23 |
申请号 |
DE20051023715 |
申请日期 |
2005.05.19 |
申请人 |
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. |
发明人 |
TYRER, JOHN;EGNER, SIEGFRIED |
分类号 |
E04G23/00;E21B7/00;E21B7/14 |
主分类号 |
E04G23/00 |
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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