Special receptacle or package – For mixing
Patent
1979-08-02
1980-12-16
Dixson, Jr., William T.
Special receptacle or package
For mixing
206568, 405256, B65D 8132, B65D 2508
Patent
active
042391059
ABSTRACT:
A multi-compartment capsule having a longitudinally extending tubular inner compartment for containing a catalyst and a longitudinally extending tubular outer compartment around the inner compartment for containing a resin composition. The longitudinally extending tubular inner and outer compartments are formed by a single-ply film strip of polyester material to which are welded along opposite longitudinal edges two-ply strips having a first ply of polyester material welded to the polyester film strip of the single-ply strip and a second ply of polyethylene material. The composite sheet made up of the single-ply strip and two-ply strips is folded upon itself along one two-ply marginal edge to form the tubular inner compartment so that the polyethylene ply material at the composite strip edge contacts such ply material when folded and is welded thereto. The opposite two-ply marginal edge of the composite strip is then folded over the formed inner compartment so as to bring the polyethylene ply material at the edge into contact with the polyethylene ply material of the other edge and is welded thereto to form the tubular outer compartment.
REFERENCES:
patent: 3756388 (1973-09-01), Murphy
patent: 3861522 (1975-01-01), Llewellyn et al.
patent: 4007831 (1977-02-01), Bernhardt
Dixson, Jr. William T.
General Electric Company
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