Packaging structure and process for production thereof

Details Packaging structure and process for production thereof Packaging structure and process for production thereof

B - Operations, Transporting

32

B

154/80, 154/126.

B32B 15/08 (2006.01) B32B 27/32 (2006.01) B65D 65/40 (2006.01)

Patent

CA 1311182

Abstract of the Disclosure A packaging structure composed of a composite synthetic resin sheet having a depressed portion formed therein for holding an article and a metal foil bonded to the sheet, said composite sheet being a three-layer sheet composed of an interlayer of high-density polyethylene and outside layers of a propylene polymer bonded to both surfaces of the interlayer, the interlayer having a thick- ness of 120 to 800 micrometers, each of the outside layers having a thickness of 15 to 80 micrometers, and the thick- ness of the interlayer being at least 2.5 times the total thickness of both outside layers; a process for production thereof; and a process for producing a composite (syn- thetic) resin sheet suitable as a material for the afore- said packaging structure.

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