Card – picture – or sign exhibiting – Check – label – or tag – Baggage checks
Patent
1975-02-11
1977-09-20
Pitrelli, John F.
Card, picture, or sign exhibiting
Check, label, or tag
Baggage checks
428500, A44C 300
Patent
active
040487369
ABSTRACT:
A substantially opaque printed heat sealable composite sheet material suitable for use as a packaging material and including a front film of a transparent oriented heat stable polymer, a layer of printing underlying the front film and visible on the outer surface thereof, a rear film of a pigmented polymer of a predetermined color having a readily heat sealable outer surface, and an intermediate film of a substantially opaque pigmented polymer tightly bonded to the inner surface of the front film and to the inner surface of the rear film and serving to increase the opacity of the sheet material and to enhance the brightness and purity of color of the layer of printing.
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Castleman Howard H.
Stewart Henry G.
Package Products Company, Inc.
Pitrelli John F.
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