Wheelwright machines – Grooving – slitting and/or lacerating of rubber tires
Patent
1974-05-09
1976-01-06
Smith, Al Lawrence
Wheelwright machines
Grooving, slitting and/or lacerating of rubber tires
29105A, B29h 2101
Patent
active
039305295
ABSTRACT:
A method and apparatus for removing tread from tires preparatory to retreading of the tires in which a tire is mounted on a support and inflated and rotated on the axis of the tire. The tread is removed from the tire by a cutter disc which has cutting elements mounted thereon in an annular path with the annular path being presented to the periphery of the tire. The cutter disc and tire are moved relatively to cause the annular path of the cutter disc in which the cutting elements are mounted to traverse the tire from side to side and in a single pass across the tire the tread is removed therefrom. The relative movements between the tire and the cutter disc are under the control of a cam so that the proper contour is imparted to the periphery of the tire. The cutting elements mounted in the aforesaid annular path of the cutter disc are in the from of sharp edged discs of hard material which take clean chips from the tread of the tire thereby avoiding heating of the tire or the cutting elements and, likewise, eliminating smoke and dust that normally accompanies the removal of tread material by the use of a cutting device employing rasp elements therein.
REFERENCES:
patent: 2656591 (1953-10-01), Billman
patent: 2751663 (1956-06-01), Leuzinger
patent: 2930110 (1960-03-01), Glodde
patent: 3242553 (1966-03-01), Bogsten
patent: 3426828 (1969-02-01), Neilsen
patent: 3526025 (1970-09-01), Sletten
patent: 3604084 (1971-09-01), Krieger et al.
Armbrust William D.
Fawcett William E.
Gulibon Robert S.
Crosby Melvin A.
Kennametal Inc.
Smith Al Lawrence
Smith, Jr. Harold P.
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