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US 5,308,690 AGranted
Wrapping film
OwnerDuane S. Butcher, Jr.inventor
Life of this patent
Estimating the term…
Abstract
An upper plastic film and a lower plastic film sandwiching a formable stiffening layer fused together to form a stiffened conformable wrapping film.
Claims11
A wrapping film comprising:
- a first transparent plastic film layer;
- a second transparent plastic film layer fused to said first plastic film layer;
- and
- a flattened formable stiffening layer captured between said first and second transparent plastic film layers.
1 more element
A method of fabricating a wrapping film comprising the steps of:
- providing a flattened formable stiffening layer;
- sandwiching said formable stiffening layer between a first transparent plastic film and a second transparent plastic film;
- and
- fusing said first plastic film to said second plastic film with said flattened formable stiffening layer therebetween.
1 more element
Dependencies are inferred from the claim text.