Fret saw blade having saw-teeth provided with sets and an automa

Cutting – Tool or tool with support – Toothed blade or tooth therefor

Patent

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83 71, 83747, 83835, B27B 1910

Patent

active

042364329

ABSTRACT:
In a fret saw blade having a shank portion and saw-teeth, the saw-teeth are formed in a manner that the centers of the cutting edges of some saw-teeth are depressed and deformed generally in V-shape so as to form sharp ends projecting beyond the side surfaces of the shank portion of the fret saw blade.

REFERENCES:
patent: 12664 (1855-04-01), Barlow
patent: 298886 (1884-05-01), Peak
patent: 324357 (1885-08-01), Brown
patent: 1876945 (1932-09-01), Hutchings
patent: 2635652 (1953-04-01), Norquist
patent: 3367216 (1968-02-01), Anderson et al.
patent: 3371393 (1968-03-01), Grassmann
patent: 4116101 (1978-09-01), Kawakami et al.

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