发明名称 Wall cladding foil hole cutter centering device - has guide cylinder on floating arm and tubular piece covered by ring plate
摘要 <p>The centering appliance is used in cutting circular holes in foil sheets which are being laid on walls where pins have to pass through for placing them correctly (as in 2604533). This involves a tubular piece (1) covered by a plate (2) cut out in a ring shape, together with a guideway cylinder (3) for the hole-cutter. This is held centrally by a floating arm on the chassis (5) at a set interval, so that the insertion slot (6) can be correctly placed to lay the foil centrally above the tubular piece. The tubular piece I.</p>
申请公布号 DE2623589(A1) 申请公布日期 1977.12.08
申请号 DE19762623589 申请日期 1976.05.26
申请人 MASTIAUX,WILHELM 发明人 MASTIAUX,WILHELM
分类号 E04B1/36;(IPC1-7):04G21/16;04B1/36 主分类号 E04B1/36
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