Apparatus for wrapping groups of products

Details Apparatus for wrapping groups of products Apparatus for wrapping groups of products

2006-10-10

2006-10-10

Rada, Rinaldi I. (Department: 3721)

Package making

Partial cover application

Band or tube

C053S557000, C053S066000

Reexamination Certificate

active

07117658

ABSTRACT:
An apparatus for wrapping groups (1) of products (2) with film (3), comprises: a second surface (6) for forming the product groups (1) and wrapping them with a length of film (3) using suitable means (7) having a first drive axis (AE1); a unit (8) for feeding the film (3) and defining the length of it by cutting, located under and close to a slot (9) for accessing the second surface (6), the feed unit (8) having a second, electric drive axis (AE2) for unwinding the film (3) in the direction of the second surface (6); a unit (10) for pre-unwinding the film (3) and comprising a roll (11) of film (3) located upstream of the feed unit (8) in a film (3) unwinding direction (B), a third electric drive axis (AE3) being located and operative on the pre-unwinding unit (10) to move the film (3) towards the feed unit (8) according to the film (3) requirement or feed speed of the second electric axis (AE2); and a unit (12) which controls the second and third electric axes (AE2, AE3) and which is located and operative between the two electric axes so as to synchronize the control of film (3) feed.

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European Search Report corresponding to EP Application No. 04 42 5092.

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