Device for stretching a film in an automatic product...

Details Device for stretching a film in an automatic product... Device for stretching a film in an automatic product...

2005-06-21

2005-06-21

Paradiso, John (Department: 3721)

Package making

Progressively seamed cover web or web folds

With closing of web between package units

Reexamination Certificate

active

06907715

ABSTRACT:
A device for stretching a film in an automatic product packaging machine, in particular products (12) of any thickness and size, spaced from each other at a pre-set distance, which are fed by a first conveyor belt (14) to a second conveyor belt (19) combined with a wrapping film feeder (26, 28) and elements (34, 35) for sealing the film wrapped over the products (12), in which the device comprises elements (25) for stretching the film (26) at the inlet of the second conveyor belt (19) and an element (29-33) that engages the stretched film (26) on the second conveyor belt (19).

REFERENCES:
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patent: 3973372 (1976-08-01), Omori
patent: 4592193 (1986-06-01), Gustavsson
patent: 5070993 (1991-12-01), Fransen
patent: 5547004 (1996-08-01), Fransen
patent: 6594974 (2003-07-01), Theriault
patent: 0 537 844 (1993-04-01), None
patent: 0 640 526 (1995-03-01), None
patent: 0 712 782 (1996-05-01), None
patent: 0 875 455 (1998-11-01), None
EP Search Report.

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