Self-adjusting packaging machine

Details Self-adjusting packaging machine Self-adjusting packaging machine

1983-11-29

1986-02-11

Sipos, John

Package making

Partial cover application

53209, 53297, 198425, B65B 1108

Patent

active

045691851

ABSTRACT:
A packaging machine for applying a film over the articles in an open top tray and bonding the film to the tray side walls. A plurality of unconnected flight bars are mounted for free movement around an endless path. Each tray and film is captivated between adjacent flight bars as they move along a compression portion of the endless path. A feed conveyor individually feeds the flight bars into one end of the compression portion of the endless path to captivate the trays and to push the released flight bars along the compressive portion of the endless path through the captivated trays so that different size trays are automatically accommodated. The flight bars are returned to the feed conveyor by a lift conveyor and a metering conveyor.

REFERENCES:
patent: 3236162 (1966-02-01), Reist
patent: 3890763 (1975-06-01), Ullman
patent: 4201286 (1980-05-01), Meier
patent: 4365456 (1982-12-01), Ullman
patent: 4475653 (1984-10-01), Ullman

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