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US 4,729,476 AGranted
Easy open shrinkable laminate
AssigneeW.R. Grace & Co., Cryovac Div.
InventorsCedric M. Lulham, George D. Wofford, John G. Bradfute, Steven G. Friedrich
Life of this patent
Estimating the term…
Abstract
An easily opened package suitable for food products such as ring sausage and the like includes a first web with a sealant layer of ethylene vinyl acetate copolymer and an ionomer, and a second web including a sealant layer of an ionomer. A resulting package exhibits good self-welding characteristics and seal strength, and an easily peelable seal.
Claims7
An easily peelable thermoplastic package comprising:
- (a) a first web including a sealant layer comprising a blend of ethylene vinyl acetate copolymer and an ionomer;
- (b) a second web including a sealant layer consisting of an ionomer, and which can include minor amounts of an anti-block agent;
- and
- (c) the first and second webs adhering at their contiguous surfaces and enclosing an article.
1 more element
Dependencies are inferred from the claim text.