Devices for supplying and transporting film for packaging appara

Details Devices for supplying and transporting film for packaging appara Devices for supplying and transporting film for packaging appara

1992-06-23

1993-04-27

Coan, James F.

Package making

With means responsive to a sensed condition

Of receptacle or cover feed or adjunct feed or application

533892, 53504, 53556, B65B 4114

Patent

active

052051048

ABSTRACT:
A weighing-packaging-pricing apparatus has a roll supporting device to rotatably support a film roll, a film transporting device to pull a stretch film from this film roll and to transport a stretched film sheet to a packaging station, a weighting device for weighing and measuring the dimensions of an object on a tray to be packed while it travels to a lifter which lifts the object to the packaging station and pushes it against the stretched film sheet, and a folding device for folding edge sections of the film sheet to form a package. The film transporting device clamps side edge sections of the film pulled out of the film roll and adjusts the clamping positions automatically according to the position of the film roll.

REFERENCES:
patent: 4178740 (1979-12-01), Groom et al.
patent: 4461431 (1984-07-01), Wiley et al.
patent: 4501106 (1985-02-01), Treiber et al.
patent: 4674269 (1987-06-01), Denda
patent: 4757451 (1988-07-01), Denda
patent: 4813211 (1989-03-01), Treiber
patent: 4862670 (1989-09-01), Denda
patent: 4887412 (1989-12-01), Takamura
patent: 4924653 (1990-05-01), Oly
patent: 5115620 (1992-05-01), Takamura

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