Patents Assigned to Armstrong-Blum Manufacturing Company
  • All purpose saw blade
    Patent number: 5501129
    Abstract: 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.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: March 26, 1996
    Assignees: Armstrong-Blum Manufacturing Company, Amada Company Limited
    Inventors: Donald L. Armstrong, Akiyoshi Yoneda, Kunihiko Okada
  • Saw blade tooth geometry
    Patent number: 5018421
    Abstract: A saw blade of the welded-edge or chemically homogeneous type having a tooth geometry featuring a positive rake angle and a radial relief back for cutting both structural and solid materials.
    Type: Grant
    Filed: April 7, 1988
    Date of Patent: May 28, 1991
    Assignee: Armstrong-Blum Manufacturing Company, Ltd.
    Inventors: Walter J. Lucki, Gerald H. Tober