Coupled sheets for packagings impermeable to gases based on...

Details Coupled sheets for packagings impermeable to gases based on... Coupled sheets for packagings impermeable to gases based on...

B - Operations, Transporting

32

B

154/126.3

B32B 27/08 (2006.01) B32B 27/32 (2006.01)

Patent

CA 1212612

ABSTRACT OF THE DISCLOSURE There are disclosed coupled packaging sheets which are impermeable to gases and vapors and consist of two polyolefinic films coupled together, at least one being an oriented polypropylene film and at least one of the two films being coated with a lacquer which acts as a barrier to gases and vapors, and which is metallized on the face in contact with the other film.

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