Metal tools and implements – making – Blank or process – Saws
Patent
1976-03-03
1977-07-12
Yost, Frank T.
Metal tools and implements, making
Blank or process
Saws
76 45, B23D 6314
Patent
active
040346307
ABSTRACT:
A circular saw includes a plurality of teeth having an improved metal breaking geometry. The saw is especially adapted to cut hard, brittle materials such as steel bars and the like. The saw teeth are generated by a cup shaped grinding wheel having a grinding face on its inside surface. By bringing the rotating inner surface of the grinding wheel into contact with each tooth, it is possible to produce a working surface on each tooth which exhibits improved metal breaking and self-cleaning characteristics. The working surface thus generated is characterized by the fact that all points on the working surface which lie in the same given plane perpendicualr to the axis of rotation of the grinding wheel are equally distant from any given point on that axis. The working surface is preferably a section of a cylinder or cone, but may exhibit irregularities or discontinuities for special applications.
REFERENCES:
patent: 70393 (1867-11-01), Benton
patent: 194705 (1877-08-01), Medearis
patent: 310073 (1884-12-01), Munger
patent: 678292 (1901-07-01), Churchill
patent: 1040905 (1912-10-01), Dow
patent: 1453765 (1923-05-01), Octave
patent: 2249743 (1941-07-01), Bucknam
The Motch & Merryweather Machinery Company
Yost Frank T.
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