B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
B31B 3/00 (2006.01) B31B 5/00 (2006.01) B31B 7/00 (2006.01) B65B 3/02 (2006.01)
Patent
CA 2134392
ABSTRACT OF THE DISCLOSURE 1) METHOD FOR THE MANUFACTURING OF AN AIRTIGHT, RECYCLABLE AND BIODEGRADABLE PACKAGE wherein each package is characterized in that it has lateral walls which form a tube, bottom folding walls which by means of folds and folding lines close one of the ends of said tube making a container for a product, that is the load of the package, and top walls which - with their corresponding folds and folding lines - close the other end of the tube, so that the packed product is occluded inside ; characterized in that a cardboard sheet (a) is stamped to mark the folding lines which limit the lateral walls, the top walls and the bottom of the package, as well as the adhesive bands; said sheet is sterilized; a fast-drying adhesive substance is applied on the adhesive bands between the walls; the cardborad sheet is folded so that the adhesive bands overlap in pairs so that the lateral walls form a tube; the ends are closed by folding the bottom walls making a flat base; and after filling the package with the product, the top walls are closed likewise; the adhesive in the adhesive bands is activated and therefore the filled airtight package is finally closed.
Calvano Ferrucchio Carmelo
Gowling Lafleur Henderson Llp
LandOfFree
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