Stock material or miscellaneous articles – Hollow or container type article – Paper containing
Patent
1987-05-29
1989-02-21
Robinson, Ellis P.
Stock material or miscellaneous articles
Hollow or container type article
Paper containing
15624411, 156299, 426127, 427391, 428349, 428481, 428483, 428513, 428910, 493133, B65D 1522, B32B 2700, B31B 164
Patent
active
048063983
ABSTRACT:
A laminated web is composed of a paper substrate having a layer of oriented polyethylene terephthalate film bonded to one surface and a layer of polyolefinic resin covering its second surface. The film presents an exposed surface having the known property of being heat sealable to itself, but is not heat sealable to polyolefinic resins. The web can be used successfully in the production of end products, such as containers, that include seams produced by employing flame heat sealing techniques. Flame activation of the sealed surfaces permits heat sealing of opposite surfaces of the web to one another without use of an adhesive. Containers produced by the use of this laminate evidence high retention of volatile materials and flavor oils commonly lost during storage of food products within containers made from paper laminates.
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Potlatch Corporation
Robinson Ellis P.
Seidleck James J.
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