Apparatus and method for producing slitted plastic produce wrapp

Details Apparatus and method for producing slitted plastic produce wrapp Apparatus and method for producing slitted plastic produce wrapp

1982-09-23

1984-04-17

Meister, James M.

Cutting

Processes

Including stacking of plural workpieces

83 30, 83566, 83595, B26F 118

Patent

active

044427409

ABSTRACT:
A method and device are described for producing slitted plastic film sheets of the type used for wrapping lettuce and similar produce. A form of punch press is used with an upper ram and lower platen and a tray moves in and out horizontally between the ram and platen. On the tray is a die with slitter blades over which is placed a stack of plastic film sheets. The tray moves in and the ram presses down on the sheets, cutting slits through the stack. Then the tray moves out and the stack of slitted sheets is removed. A single operator can produce 450 slitted sheets per minute with this system.

REFERENCES:
patent: 2170646 (1939-08-01), Rosenberg
patent: 2176543 (1939-10-01), Norton
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patent: 2575378 (1951-11-01), Bender
patent: 2711040 (1955-06-01), Kaplan
patent: 3318266 (1967-05-01), Rich et al.
patent: 3318267 (1967-05-01), Artiaga et al.
patent: 3520220 (1970-07-01), Acker
patent: 3587377 (1971-06-01), Olson
patent: 3826165 (1974-07-01), Currie

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