Laminated packing material with gas and aroma barrier properties

Details Laminated packing material with gas and aroma barrier properties Laminated packing material with gas and aroma barrier properties

1989-12-19

1992-06-16

Sluby, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428451, 428461, 428498, 428702, 428480, 426127, 156 90, 156182, B32B 1312, B32B 2706, B65D 6540

Patent

active

051224100

ABSTRACT:
A laminated material for the manufacture of packing containers with good gas and aroma barrier properties and or parts for such containers, and a method for the manufacture of the laminated material (1).
The laminated material (1) comprises a first partial laminate (1) comprising a carrier layer (2) of thermoplastics and a barrier layer (3) of inorganic material of 50-500 .ANG. thickness serving as a gas and aroma barrier and a second partial laminate (1b) comprising a carrier layer (4) and a barrier layer (5) of inorganic material of 50-500 .ANG. thickness serving as a gas and aroma barrier, these partial laminates being joined to one another by means of an intermediate layer (6) of bonding agent, their respective barrier layers facing inwards towards one another.

REFERENCES:
patent: 3740306 (1973-06-01), Kosbab et al.
patent: 3813315 (1974-05-01), Valyi
patent: 4792488 (1988-12-01), Schirmer

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