Saw blade and fret-saw combination and method for use thereof

Woodworking – Combined machine – Boring and sawing

Patent

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Details

83527, 83848, 145 31R, B27B 3302

Patent

active

040131076

ABSTRACT:
A fret-saw blade in combination with a fret-saw for sawing out slits starting from small-diameter holes, the blade having two rectangular segments of varying width with each of these segments having teeth of the same depth and parallel toothed and untoothed sides, and a method for using said combination.

REFERENCES:
patent: 336739 (1886-02-01), Parker
patent: 1515619 (1924-11-01), Runnels
patent: 1855311 (1932-04-01), Basner
patent: 2116123 (1938-05-01), Ocenasek
patent: 2307411 (1943-01-01), Leatherman
patent: 3152625 (1964-10-01), Bohrer
patent: 3680610 (1972-08-01), Lindgren

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