Laminated high barrier shrinkable film

Details Laminated high barrier shrinkable film Laminated high barrier shrinkable film

2007-01-09

2007-01-09

Chen, Vivian (Department: 1773)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

C428S034900, C428S035700, C428S036600, C428S036700, C428S474400, C428S474700, C428S475800, C428S476300, C428S500000, C428S515000, C428S516000, C428S518000, C428S520000, C428S522000, C428S523000, C428S910000

Reexamination Certificate

active

11131936

ABSTRACT:
The invention relates to laminated high oxygen barrier films for packaging applications and especially for shrinkable lidding applications. The multilayer heat shrinkable plastic film of the present invention comprises a laminate of at least two films 1 and 2, wherein film 1 has a hot glycerine shrinkage of more than 20% at 110° C. for 5 seconds and at least one of MD, TD directions; and film 2 has a hot glycerine shrinkage of less than 20% at 110° C. for 5 seconds in at least one of MD, TD directions.

REFERENCES:
patent: 4133924 (1979-01-01), Seino et al.
patent: 4391862 (1983-07-01), Bornstein et al.
patent: 4797235 (1989-01-01), Garland et al.
patent: 3528666 (1987-02-01), None
patent: 1300238 (2003-04-01), None
patent: 1300238 (2003-04-01), None
patent: WO 03/016050 (2003-02-01), None

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