Thermoformable barrier sheet

Details Thermoformable barrier sheet Thermoformable barrier sheet

1987-10-30

1989-07-11

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428516, 428518, 428520, 428522, 428521, 4283084, B32B 2708

Patent

active

048471488

ABSTRACT:
Thermoformable barrier sheet includes a barrier film having low oxygen transmission, and a thermoformable plastic, especially a foamed or unfoamed polystyrene sheet bonded thereto. Bonding can be accomplished by corona bonding or by thermal bonding.

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patent: 4681797 (1987-07-01), Van Iseghem

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