Device for stretching a film in an automatic product packaging machine
AssigneeSitma S.p.A.
InventorsAris Ballestrazzi, Lamberto Tassi
Life of this patent
Estimating the term…
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).
Claims9
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 from 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), characterised in that 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 said second conveyor belt (19).
Dependencies are inferred from the claim text.