Stretch wrapping with film severing

Details Stretch wrapping with film severing Stretch wrapping with film severing

1994-03-08

1996-11-12

Johnson, Linda

Package making

Methods

Applying a partial cover

53441, 53556, 53587, 533893, B65B 1304, B65B 4112, B65B 5300

Patent

active

055728502

ABSTRACT:
A load of stretch wrap with a sheet of stretch wrap packaging material by feeding a sheet through a stretch wrap dispenser and stretching and dispensing from the dispenser, and providing relative rotation between the dispenser and the load to wrap the stretched sheet around the load. The portion of the sheet is weakened with a sheet weakening device, and sheet is tensioned to break the sheet at the weakened portion.

REFERENCES:
patent: 4232501 (1980-11-01), Stackhouse
patent: 4300326 (1981-11-01), Stackhouse
patent: 4302920 (1981-12-01), Lancaster et al.
patent: 4545182 (1985-10-01), McDowell, Jr.
patent: 4549388 (1985-10-01), Lancaster
patent: 4735033 (1988-04-01), Stackhouse
patent: 4738079 (1988-04-01), Lancaster et al.
patent: 4761934 (1988-08-01), Lancaster
patent: 4765120 (1988-08-01), Phillilps
patent: 4779396 (1988-10-01), Stackhouse
patent: 4917008 (1990-04-01), Van den Wildenberg
patent: 5014489 (1991-05-01), Terminella et al.
patent: 5161349 (1992-11-01), Lancaster et al.

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