Manufacturing container or tube from paper; or other manufacturi – With cutting – breaking – tearing – or abrading – With scrap material separation or removal
Patent
1979-12-31
1981-10-20
Coan, James F.
Manufacturing container or tube from paper; or other manufacturi
With cutting, breaking, tearing, or abrading
With scrap material separation or removal
83161, 493 82, 493373, B26D 718
Patent
active
042958423
ABSTRACT:
A stripping device for removing waste sheet material from the vicinity of a cutter. In one embodiment, a plurality of pins are mounted to a rotatable drum positioned adjacent a rotary steel cutting die. The die includes knives for cutting a sheet of material into a desired configuration with the waste portion of the sheet remaining wedged on the die. The stripper pins pierce and lift the waste portion of the sheet away from the die. In lieu of a drum, a plurality of hubs mounted to a common shaft may be provided having the stripping pins mounted thereon. In another embodiment, the stripping pins are mounted directly to the rotary cutter. A cam-actuated lever mounted to the rotary cutter is operable to eject the waste sheet portion from the stripping pins.
REFERENCES:
patent: 2778286 (1957-01-01), Walker
patent: 3270602 (1966-09-01), Kirby et al.
patent: 3371584 (1968-03-01), Zernov
patent: 3380327 (1968-04-01), Stemmler
patent: 3391589 (1968-07-01), Bishop
patent: 3643553 (1972-02-01), Morimoto
patent: 3877353 (1975-04-01), Smith et al.
patent: 3899947 (1975-08-01), Faltin
patent: 3956974 (1976-05-01), Schroter
patent: 4031816 (1977-06-01), Matsuo
Coan James F.
Dent Boyce C.
The Ward Machinery Company
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