Tire rasp blade

Details Tire rasp blade Tire rasp blade

1986-11-07

1988-05-31

Schmidt, Frederick R.

Metal working

Filing

29 79, B23D 7100

Patent

active

047471948

ABSTRACT:
Rasp blades for removing rubber from tire carcasses to prepare them for retreading. The improved blades have a unique arrangement of the teeth in the blade wherein a plurality of sets of teeth are formed in the working edge, and wherein each set is formed with two pairs of teeth disposed at opposite angles of inclination to each other, and with each pair having a lead tooth and a trailing tooth formed by a narrow tooth dividing slit therebetween which extends sufficiently inwardly beyond the depth of recesses on each side of the pairs of teeth to provide tooth settings which give greater strength and more effective cutting edge exposure.

REFERENCES:
patent: 2896309 (1959-07-01), Jensen
patent: 3082506 (1963-03-01), Jensen
patent: 3351997 (1967-11-01), Neilsen
patent: 3680185 (1972-08-01), Wood
patent: 3879825 (1975-04-01), Jensen et al.
patent: 4021899 (1977-05-01), Jensen
patent: 4091516 (1978-05-01), Jensen et al.

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