Multi-layered plastic foil for packaging

Details Multi-layered plastic foil for packaging Multi-layered plastic foil for packaging

1991-11-27

1994-01-25

Sluby, P. C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428192, 428 358, 428 359, 428 365, 428 366, B32B 326, B32B 2302, B29D 2300, B65D 7900

Patent

active

052814718

ABSTRACT:
A foil for use in the vacuum packaging of an article comprises first and second foil layers, the second foil layer being a plastics matrix incorporating a volatile substance such that in use, after evacuation and closing of the package, the volatile substance slowly diffuses into the package, thereby exerting a beneficial influence on the article, for example protection against corrosion.

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