Saw blade and method of making

Details Saw blade and method of making Saw blade and method of making

1979-07-09

1980-11-11

Yost, Frank T.

Cutting

Tool or tool with support

Endless band or belt type

76112, 83835, 83855, B27B 3306

Patent

active

042325781

ABSTRACT:
A saw blade having improved metal cutting characteristics in which the tip of each tooth is formed to provide a primary rake face extending from the tip of the tooth for a distance of 0.007 to 0.020 inch and having a positive rake angle of 12.degree. to 25.degree., a secondary rake face extending from the primary rake face to the gullet of the tooth and having a positive rake angle less than 12.degree., a primary end relief surface extending from the tip of the tooth for a distance of 0.007 to 0.030 inch and forming a relief angle of 10.degree. to 25.degree., and a secondary end relief surface extending from the primary end relief surface to the gullet of the next successive tooth and forming a relief angle greater than the relief angle of the primary end relief surface. The blade can be made by applying a deforming force to the tips of the teeth of a precursor saw blade.

REFERENCES:
patent: 521343 (1894-06-01), Hazard
patent: 552370 (1895-12-01), Holley
patent: 1955137 (1934-04-01), Lee
patent: 2510462 (1950-06-01), Christenson
patent: 3034378 (1962-05-01), Anderson

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