Sealed package for pourable food products
AssigneeTetra Laval Holdings & Finance S.A.
InventorsPaolo Benedetti, Sid Johari
Life of this patent
Estimating the term…
Abstract
There is described a sealed package (1, 15) for pourable food products, formed from a multilayer packaging material (2, 16) and having an opening (10, 26) closed, on the inside of the package (1, 15), by a sheet element (11, 27), and a removable opening tab (12, 28) joined to the sheet element (11, 27) and covering the opening (10, 26) on the outside of the package (1, 15); the opening (10, 26) extending close to an end portion (8, 17) of the package (1, 15) and along at least half the perimeter of the package (1, 15).
Claims11
1) a sealed package (1, 15) for pourable food products, formed from a multilayer packaging material;
- said package (1, 15) having an opening (10, 26) closed, on the inside of the package (1, 15), by a sheet element (11, 27);
- and a removable opening tab (12, 28) joined to said sheet element (11, 27) and covering said opening (10, 26) on the outside of said package (1, 15);
- characterized in that said opening (10, 26) extends close to an end portion (8, 17) of said package (1, 15) and along at least half the perimeter of the package (1, 15).
6) A package as claimed in any one of the foregoing claims, characterized in that said multilayer packaging material comprises at least one layer of thermoplastic material defining an inner surface of the package (1, 15).
7) A package as claimed in any one of the foregoing claims, characterized in that said multilayer packaging material comprises at least one layer of polypropylene, in turn including a mineral inorganic filler.
10) A package as claimed in any one of the foregoing claims, characterized by comprising, about said opening (10, 26), a further, multilayer, sheet element (14) comprising at least a first and a second layer of plastic material sealed respectively to said tab (12, 28) and to the outside of the packaging material constituting the package (1, 15);
- said first and said second layer of plastic material adhering to each other less firmly than to said tab (12, 28) and the packaging material of said package (1, 15) respectively.
Dependencies are inferred from the claim text.