Film folding and supplying apparatus for stretch film...

Package making – Means to feed cover material – Continuous web cover material

Reexamination Certificate

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Details

C053S556000

Reexamination Certificate

active

07096644

ABSTRACT:
A film folding and supplying apparatus for machines for packaging products with stretchable film comprising a pleating means for folding ends of a film traveling in a direction, to modify the width of the film in such a manner that the last edges of the film on the bottom of a product to be wrapped do not laterally project from the bottom of the product. The pleating means cooperates with rolling friction of the traveling film and comprises an elongate, flat and fixed guide having longitudinal edges with projecting rows of flat, idle and rounded edges wheels; and respective lateral guides having projecting rows of flat, idle and wheels with rounded edges which fold the film.

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patent: 4796405 (1989-01-01), Owen et al.
patent: 4827694 (1989-05-01), Owen et al.
patent: 4841715 (1989-06-01), Suga
patent: 5103621 (1992-04-01), Matsumoto
patent: 5509253 (1996-04-01), Cappi et al.
patent: 5603198 (1997-02-01), Rimondi et al.
patent: 6170236 (2001-01-01), Whitby et al.
patent: 6247292 (2001-06-01), Whitby et al.
patent: 0340157 (1989-11-01), None

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