Wrapping control system for film wrapping machine

Details Wrapping control system for film wrapping machine Wrapping control system for film wrapping machine

1982-04-26

1985-02-26

Coan, James F.

Package making

With means responsive to a sensed condition

Of receptacle or cover feed or adjunct feed or application

53168, 53504, 53556, B65B 5902

Patent

active

045011060

ABSTRACT:
In a stretch film wrapping machine an improved control system provides for automatic or manual selection of one of at least two differing width film rolls and provides individualized wrapping parameters dependent upon the film width selected. Automatic film selection is performed in response to signals identifying the height, width and length of a package to be wrapped which characteristics are sensed or measured by a package sensing system. Both automatic and manual film selection includes timing controls for synchronizing film gripping and clamping apparatus with underfolding apparatus dependent upon the film selected to provide improved control over the tensioning of film wrapped about individual packages.

REFERENCES:
patent: 3029571 (1962-04-01), Douthit
patent: 3593490 (1971-07-01), Pinatel, Jr. et al.
patent: 3662513 (1972-05-01), Fabbri
patent: 3967433 (1976-07-01), Bonfiglioli
patent: 4063400 (1977-12-01), Millevoi
patent: 4075815 (1978-02-01), Carver, Jr. et al.
patent: 4134246 (1979-01-01), Michels
patent: 4180962 (1980-01-01), Michels
patent: 4205501 (1980-06-01), Michels
patent: 4415048 (1983-11-01), Teraoka
Brochure entitled "Weldotron Automac Stretch Packaging Systems".

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