Sealing film applying machine, adapted for packaging parcels, bo

Details Sealing film applying machine, adapted for packaging parcels, bo Sealing film applying machine, adapted for packaging parcels, bo

1989-04-05

1990-12-25

Coan, James F.

Package making

Wrapping machines

Cover-wiping passage or pocket for initial wrap

53218, B65B 1108

Patent

active

049793489

ABSTRACT:
A means for packaging parcels feeds parcels along a conveyor into a stop bar. A continuous web of thermally shrinkable film is provided from separate supplies above and below the conveyor as a barrier between the conveyor and a platform in the same plane as the conveyor. A pusher member moves the parcels laterally off of the conveyor into the web of film so that the film is withdrawn from the supplies as the parcel is pushed onto the platform. Sealing means is movable into the space between the parcel on the platform and the conveyor to press together, cut and seal the film webs leaving a new web barrier in place at the edge of the conveyor. Movable stop means on the platform into which the pusher pushes the parcel opposes the movement of the parcel but is movable in the direction of the pusher and parcel. The movable stop means has drive means controlling its movement. Sensor means is positioned to be engaged by the pusher member the parcel of the film to control the rate of movement of the movable stop.

REFERENCES:
patent: 2928217 (1960-03-01), Case et al.
patent: 2931148 (1960-04-01), Smith
patent: 4102112 (1978-07-01), Rose
patent: 4167841 (1979-09-01), Camp
patent: 4783950 (1988-11-01), Santagati
patent: 4869051 (1989-09-01), Shifley et al.

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