Mutli-layer product

Details Mutli-layer product Mutli-layer product

1996-03-22

1998-04-14

Nakarani, D. S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428 342, 428 343, 428 354, 428 366, 428 367, 428215, 428324, 428341, 428342, 4284793, 4284796, 428483, 428511, 428512, 428513, 428514, B32B 702, B32B 2306, B32B 2308, B32B 2730

Patent

active

057389330

ABSTRACT:
The invention relates to a multi-layer product, in particular for producing containers, comprising a layer formed of a fiber-based packing material on one surface of which a gas-tight multi-layer plastic coating is arranged. To prevent the formation of microholes, the gas-tight multi-layer plastic coating is formed of superposed 1-4 g/m.sup.2 barrier plastic layer, 1-4 g/m.sup.2 binder layer, and surface layer of a heat-sealable polyolefin material having sufficient thickness for liquid-tight heat sealing, so that the barrier plastic layer is the closest of said layers to the fiber-based packing material layer.

REFERENCES:
patent: 4647509 (1987-03-01), Wallace et al.
patent: 5059459 (1991-10-01), Huffman
patent: 5116649 (1992-05-01), Massouda
patent: 5213858 (1993-05-01), Tanner et al.
patent: 5225256 (1993-07-01), Marano et al.
European Search Report on Appln. No. EP 94 30 2206.
Encyclopedia of Polymer Science and Engineeering vol. 7, pp. 79-80, 1987, John Wiley & Sons, Inc.

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