Method and packaging machine for packaging a product placed...

Details Method and packaging machine for packaging a product placed... Method and packaging machine for packaging a product placed...

B - Operations, Transporting

65

B

B65B 31/02 (2006.01)

Patent

CA 2495188

The invention relates to a method for packaging a product (3) placed in a tray (1). A top film (13) located above the product at a distance is stretched along an edge encircling the tray (1) and deformed in a direction extending away from the product. Afterwards, air contained in the space surrounding the product is evacuated, the tray is raised toward the top film (13), and the film is sealed to the edge of the tray. In doing this, the seam of the top film with the edge of the tray does not have any creases whereby producing a durable and attractive packaging. The invention also relates to a packaging machine for carrying out the method.

L'invention concerne un procédé permettant d'emballer un produit (3) situé dans une barquette (1). Un film supérieur (13) situé, à distance, au-dessus du produit, est tendu le long d'un bord entourant la barquette (1) et est déformé dans un sens s'étendant à partir du produit. Le vide est ensuite effectué dans l'espace entourant ledit produit, puis la barquette est soulevée en direction du film supérieur (13) et ledit film est scellé avec le bord de la barquette. Ce système permet d'obtenir une soudure sans pli du film supérieur et du bord de la barquette, de sorte à donner lieu à un emballage d'aspect attrayant et pouvant être conservé. L'invention concerne également une machine d'emballage pour mettre ledit procédé en oeuvre.

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