Cutting – Processes – With preparatory or simultaneous ancillary treatment of work
Patent
1988-04-15
1990-04-10
Phan, Hien H.
Cutting
Processes
With preparatory or simultaneous ancillary treatment of work
83 19, 83175, 83176, 83417, 83419, 83495, 83675, 83923, 83951, B02C 1806, B02C 2302
Patent
active
049149946
ABSTRACT:
An apparatus for removing the bead wires from a scrap tire having a pair of overlapping and counterrotating shearing members mounted on a movable carriage. The carriage provides reciprocating motion to the shearing members between two shearing work stations. While shearing action takes place at a first work station a scrap tire is fed into the adjacent work station, whereafter the bead wires of the scrap tire are first elongated and then compressed into overlying adjacent positions. Advancement of the shearing members into the tire produces a first tire shear that is at least closely tangential to the bead wires. When the pinch point of the shearing members is proximate the bead wires forward movement of the carriage is ceased. However, the tire is caused to rotate about its axis by the shearing members to produce a second shear that is substantially concentric with the bead wires, the first and second shears being a single continuous motion. Scrap tires are fed to the shearing work stations by a conveyor system having a plurality of inclined conveyors, with downstream conveyors operated at increasing conveyor velocity.
REFERENCES:
patent: 3460419 (1969-08-01), Branick
patent: 3843074 (1974-10-01), Tupper
patent: 3911772 (1975-10-01), Kisielewski
patent: 3976499 (1976-08-01), Tilby
patent: 4450738 (1984-05-01), Tupper et al.
patent: 4738172 (1988-04-01), Barclay
Phan Hien H.
Schneck Thomas
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