B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
217/11, 93/15
B65D 81/32 (2006.01) B65B 9/02 (2006.01) B65D 30/22 (2006.01) B65D 77/28 (2006.01)
Patent
CA 1209102
ABSTRACT BAG AND BAG MAKING APPARATUS A bag suitably for mixing has a compartment, a pocket in the bag having a mouth opening so that either it can be filled with liquid to a predetermined volume or it can receive a dispensing member. The pocket is easily ruptured when the mouth is closed and, when mixing, a volume of liquid may be discharged into the compartment for mixing with a material in the compartment. During mixing the walls of the pocket abut to serve as a non-return valve in the bag. Apparatus for making the bags includes web bonding means, feeding means to feed film of waterproof thermoplastics material from rolls to the bonding means, and interrupting means to form the mouth in the pocket. The apparatus may form bags with open bottoms for insertion of the material for mixing and subsequent closure or sealed, filled bags.
439110
Gowling Lafleur Henderson Llp
Johnsen & Jorgensen Jaypak Limited
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