End mill bit with notched teeth

Details End mill bit with notched teeth End mill bit with notched teeth

2008-07-15

2008-07-15

Fridie, Willmon (Department: 3724)

Cutters, for shaping

Rotary cutting tool

Face or end mill

C407S059000

Reexamination Certificate

active

07399147

ABSTRACT:
An end mill is provided with a plurality of teeth extending helically therealong, and with the teeth notched. The notches interrupt the cutting edge of the teeth at various different positions between a tip of the tooth and a root of the tooth. Various different patterns of notches are disclosed with each notch beneficially followed by a region on a following tooth which is notchless. The notches interrupt an otherwise flat cutting edge so that a smooth cut into the work piece is provided by portions of the cutting edge between the notches, and by regions on the teeth where no notches are provided.

REFERENCES:
patent: 4212568 (1980-07-01), Minicozzi
patent: 4497600 (1985-02-01), Kishimoto
patent: 4810136 (1989-03-01), Paige
patent: 6164876 (2000-12-01), Cordovano
Iscar Metals, Inc.; Iscar Cutting Tools; Finishred Endmill; www.iscar.com.

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