Stone working – Sawing – Rotary
Reexamination Certificate
2006-12-26
2006-12-26
Ackun, Jr., Jacob K. (Department: 3723)
Stone working
Sawing
Rotary
Reexamination Certificate
active
07152596
ABSTRACT:
A circular saw blade body having a plurality of cutting teeth, at least one mounting hole, and an arrangement of cooling holes along a projected groove line. The arrangement of cooling holes help promote the removal of residual powder during usage of the blade and also increases the flow of air and/or cooling water in order to cool the saw blade body, thus resulting in a more effective blade and also extends the life of the blade.
REFERENCES:
patent: 2609017 (1952-09-01), Chapin
patent: 3872763 (1975-03-01), Kayahara
patent: 4867025 (1989-09-01), Eklof et al.
patent: 4962748 (1990-10-01), Schweickhardt
patent: 5012792 (1991-05-01), Kawata et al.
patent: 5351595 (1994-10-01), Johnston
patent: 6450075 (2002-09-01), Manzo
Ackun Jr. Jacob K.
Chan Raymond Y.
David and Raymond Patent Group
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