THOMAS S STELLINGER
Broker in Cherry Brook, MA
License number
Massachusetts 9076848
Issued Date
Apr 22, 2005
Expiration Date
Nov 18, 2015
Type
Salesperson
Address
Address
Cherry Brook, MA 02493
Professional information
Saw Blade And Method Of Making
US Patent:
4232578, Nov 11, 1980
Filed:
Jul 9, 1979
Appl. No.:
6/056138
Inventors:
Thomas S. Stellinger - Weston MA
Stephen R. Crosby - Sterling MA
Stephen R. Crosby - Sterling MA
Assignee:
Wallace Murray Corporation - Fitchburg MA
International Classification:
B27B 3306
US Classification:
83661
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.