Amada Company, Limited

Armstrong-blum Mfg. Co.

Armstrong-blum Manufacturing Company, Ltd.

Donald L Armstrong

Akiyoshi Yoneda

Kunihiko Okada

To provide a general-purpose saw blade which will saw different materials cost effectively, the saw blade includes a plurality of sets of teeth, each set including saw tooth having a large relief angle and a small tooth angle which provide fast cutting speeds, and with saw tooth having a small relief angle and a large tooth angle which provide the resistance to chipping.

All purpose saw blade

A new blade, and a method of cutting therewith, having repeating sets of teeth, each set having sub-sets which differ from each other in at least one cutting characteristic including straight teeth, primary cutting teeth which are left-sided and right-sided and secondary cutting teeth which are left-sided and right-sided, said secondary cutting teeth having a large relief angle.

Growing community of inventors

Wheaton, IL, United States of America

Donald L Armstrong