Drilling tool
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United States of America Patent
Stats
-
Feb 21, 2006
Grant Date -
Apr 24, 2003
app pub date -
Sep 30, 2002
filing date -
Oct 12, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a drilling tool (36), in particular for working concrete, rock, masonry and suchlike materials, having a single- or multi-edge tool head with at least one cutting body (1) which comprises a central region (12) which is designed in a roof shape, has rake faces and flanks and is defined laterally by two outer regions (13, 14) set back in the effective direction of the drill. In this case, the ground surfaces of the central region (12) form a pyramidal point (15) while avoiding the formation of a chisel edge.
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Cited Art Landscape
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