B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
18/1018, 154/119
B32B 3/00 (2006.01) B65D 75/58 (2006.01) B65D 81/32 (2006.01) B65D 75/12 (2006.01)
Patent
CA 1181914
ABSTRACT A plastics material film which is formed of two films of the same thermoplastics material which are self heat bonded together a first of the films being relatively thick and having resist material thereon in predetermined patterns, and the other of the films being thin as compared to the one film with the other of the films being bonded to the one film at all areas except for the resist area so as to provide a thermoplastics material film sheet or a predetermined thickness which in selected areas only there are two separate films with these areas defining seal forming areas. The film sheet with the seal forming areas may be readily folded and bonded to define pouches or packages having predetermined weakened seals of a predetermined rupture strength. The resist material, particularly in the case of packages for food products is formed of a food or a food additive.
412355
Pike Brian R.
Swabey Ogilvy Renault
LandOfFree
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