Tire rasp blades with renewable cutting and buffing edges

Details Tire rasp blades with renewable cutting and buffing edges Tire rasp blades with renewable cutting and buffing edges

1975-12-12

1977-11-29

Hinson, Harrison L.

Metal working

Filing

B23D 7100

Patent

active

040598756

ABSTRACT:
Blades for tire rasps are disclosed in which the outer edge of their teeth have cutting edges inclined at a positive rake angle and cooperating buffing edges inclined at a negative rake angle, the teeth having other similarly inclined cutting and buffing edges at levels inwardly of the original outer tooth edge to which the teeth may be sharpened as the original cutting and buffing edges become worn.

REFERENCES:
patent: 2256847 (1941-09-01), Osenberg
patent: 3680185 (1972-08-01), Wood
patent: 3879825 (1975-04-01), Jensen et al.

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