Plug to be fastened to hollow and solid building materials
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United States of America Patent
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-
May 6, 2003
Grant Date -
Sep 5, 2002
app pub date -
Oct 25, 2001
filing date -
Mar 30, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a plug (10) for fastening to hollow or panel-type building materials and to solid building materials. The invention proposes providing the plug (10) with expansion limbs (18) that extend longitudinally and that are connected to one another by thin skins (22) having a corrugation in the peripheral direction. That has the advantage of good screw guidance and a torsionally rigid construction of the plug (10); especially when fastening to hollow and panel-type building materials, undesirable backwards rotation of the plug tip (16) is avoided when screwing in an expansion screw by hand. Angled slits (32) in the plug tip (16) bring about good adaptation to screws having different diameters and different pitches of thread.
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