Sheet packaging material for producing sealed packages of pourable food products

• Main Authors: BENKOE GABOR, CAVECCHIA TIZIANA, CASALE CRISTIANO, CASARINI CLAUDIO, DIDONNA DOMENICO, MARCHETTI MARCO, SORBARA ANGELO, HEINONEN SEBASTIAN
• Format: Patent
• Language: Chinese; English
• Published: 30.05.2012
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

There is described a sheet packaging material (M) for producing a sealed package (1) of a pourable food product; the packaging material (M) comprises one base layer (11) for imparting stiffness, a number of lamination layers (12) covering both sides of the base layer (11), and a removable portion (10, 10', 10'', 10''', 10''', 10''') which, in use, can be detached partly from the rest of the packaging material (M) along at least one arc-shaped cutting line (20, 20''') and folded at a folding zone (21, 81) extending between the opposite ends of the cutting line (20, 20''') so as to free a pour opening (9) by which to pour the food product from the package (1); the removable portion (10, 10', 10", 10'", 10"", 10'"") comprises a central area (25) made of whole packaging material and which, in use, in any case, remains attached to the rest of the packaging material (M) through a permanent bridge (26) defined by the folding zone (21, 81), and a peripheral area (27, 27', 27", 27'", 27"", 27'"") for cutting interacti