Plastics sacks

Details Plastics sacks Plastics sacks

B - Operations, Transporting

65

D

220/6

B65D 30/08 (2006.01) B65D 30/14 (2006.01) B65D 30/26 (2006.01)

Patent

CA 1086271

ABSTRACT OF THE DISCLOSURE A multiwall sack comprising an outer wall of micro- perforated plastics film and an inner wall of flexible, air- permeable sheet of foamed themoplastic material. The sack is particularly useful in the packaging of powders because it allows air entrained with said powders during filling to escape through its walls during or subsequent filling.

278794

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