Saw blade including teeth having a cutting portion with a wearing protection layer
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United States of America Patent
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N/A
Issued Date -
Jul 19, 2007
app pub date -
Jan 5, 2007
filing date -
Jan 13, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A saw blade (15) includes a body (16) and a plurality of teeth (1). The teeth (1) include a cutting portion (2) of a geometrically defined shape and including a cutting edge (3). The cutting portion (2) includes a wearing protection layer (7) which covers the cutting edge (3). The cutting edge (3) has an edge radius (4) between approximately 0.005 mm and 0.045 mm relating to a condition of the cutting portion (2) without the wearing protection layer (7). Preferably, the wearing protection layer (7) is made of a hard material, especially TiN, TiCN, TiAlN, CrN or DLC.
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