Hole saw blade

Details Hole saw blade Hole saw blade

2004-12-22

2010-02-09

Alie, Ghassem (Department: 3724)

Cutting

Tool or tool with support

Toothed blade or tooth therefor

C083S848000, C083S851000, C083S855000

Reexamination Certificate

active

07658136

ABSTRACT:
A hole saw has a cup shaped body with a base, and a cylindrical wall with an extending cutting edge. An arbor extends from base. A plurality of teeth are formed on the cutting edge. The teeth having a repeating first and second tooth form. The first tooth form has a rake face and relief face defining the cutting edge. The rake face and relief face are at a desired angle. A first gullet is continuous with the first rake face so that it has a desired depth. The second tooth form has a second rake face and second relief face. The faces are on a desired angle. A second gullet is continuous with the second rake face providing a second tooth height. The second tooth height is greater than the first tooth height.

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