Diamond saw blade equipped with undercut preventing tip
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United States of America Patent
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-
Oct 28, 2003
Grant Date -
Aug 22, 2002
app pub date -
Jun 22, 2001
filing date -
Feb 19, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a diamond saw blade which is made by attaching improved undercut preventing tips, produced by diffusing and joining cobalt-based powder onto ultra hard tips at a high temperature, to respective shank slot walls formed on the circumference of a diamond saw blade by means of laser welding in order to remove drawbacks of high cost or insecurity with the conventional art. According to the present invention, there is proposed a diamond saw blade with a shank, and with plural diamond tips provided on the circumference of the shank at a finite interval, slots for discharging cut chips being positioned between the adjoining diamond tips, further comprising undercut preventing tips disposed on respective walls of said slots, said undercut preventing tips including tungsten-carbide-based ultra hard tips provided with cobalt-based layer, wherein said undercut preventing tips are formed by diffusing and joining the cobalt-based powder to said ultra hard tips at a high temperature and said undercut preventing tips are fixed on respective walls of said slots by means of laser welding.
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