Annular scrap segments in tire reduction

Details Annular scrap segments in tire reduction Annular scrap segments in tire reduction

1988-07-28

1990-12-11

Phan, Hien H.

Cutting

Processes

With preparatory or simultaneous ancillary treatment of work

83 54, 83176, 83345, 834042, 83951, B02C 1806, B26D 124

Patent

active

049761781

ABSTRACT:
An apparatus for dividing scrap tires having a compression transport in a rotary shear station. The compression transport centers the tire and provides forces onto the treaded periphery to buckle the scrap tire. The compression transport then feeds the tire to the rotary shear station in a straight-line manner. The rotary shear station has overlapping and counter-rotating circular shears that make at least one cut along the length of the collapsed tire to produce annular tire segments. The movement of the collapsed tire relative to the rotary shear station remains a linear movement during the shearing process. Preferably, the rotary shearing station includes a pair of coaxial circular shears that are spaced apart by a third shear supported on a shaft parallel to a shaft supporting the spaced pair of shears. In this manner, the scrap tire is reduced to three segments as a pair of shearing cuts are made parallel to the flattened tread of the scrap tire. Adjacent shears are spaced apart from each other by a distance not exceeding 0.003 inches.

REFERENCES:
patent: 3460419 (1969-08-01), Branick
patent: 4682522 (1987-07-01), Barclay

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