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US 2001/0017949 A1Published application
Composite packaging material having a base layer of paper and an attached additional layer or tubular sleeve envelope of plastic material, particularly for food products, and method for obtaining it
AssigneeBig Paper America, Inc.
InventorLuigi Rivoltella
Life of this patent
Estimating the term…
Abstract
A composite double component packaging material, particularly suited for food products, includes a first component, having a base sheet of paper material, upon which a second component formed from a tubular sleeve of a thin film of plastic material is adhered. This packaging material is of a type approved for use with food products. The sleeve member can be longitudinally cut at any suitable position to provide one or two free foldable flaps.
Claims15
A composite double component packaging material, comprising:
- a first component including a base sheet of a paper material, and a second component adhered to the first component, wherein the second component is formed as a tubular sleeve of a thin film of plastic material, wherein the plastic material is a material approved for containing food products.
A composite double-layer packaging material, comprising:
- a first paper support layer, and a second layer adhered to the first layer so as to form a double-layer sheet, wherein the second layer is formed of a thin film of plastic material that is hygienically acceptable for contact with food products, wherein the thin film has a transversal dimension not smaller than a transversal dimension of the first paper support layer, such that the thin film overlays the first paper support layer to form the double-layer sheet and additionally forms at least one foldable free flap to cover a food product laid upon the double-layer sheet, wherein the at least one foldable free flap is provided by longitudinally cutting a tubular sleeve of the plastic material forming the second layer.
Dependencies are inferred from the claim text.