B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
217/11, 156/21
B65D 77/08 (2006.01) B65B 29/10 (2006.01) B65D 81/32 (2006.01) E21D 20/02 (2006.01) F16B 13/14 (2006.01)
Patent
CA 1056339
ABSTRACT OF THE DISCLOSURE A cartridge containing a self-setting composition, pre- ferably comprising an interactive resin component and a hardener therefor, is formed of a single piece of skin. The skin is fold- ed into tubular form with one side portion overlapping the other, and the margin of the overlying side portion is heat sealed to the underlying side portion, preferably by means of a heat seal- able adhesive coated on the skin, which adhesive is not resistant to an ingredient of the interactive component, e.g. styrene. A flap is defined by the underlying side portion, and one inter- active component is located on each side of the flap. The flap stops short of the facing wall, and the interactive components meet in the gap and react together to a polymerised interface. A method of making the cartridge is disclosed.
237393
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