Receptacles – Receptacle having flexible – removable inner liner – Means for venting air trapped between the liner and its...
Patent
1978-03-08
1980-01-01
Dixon, Jr., William R.
Receptacles
Receptacle having flexible, removable inner liner
Means for venting air trapped between the liner and its...
220414, 220453, 426127, 428 35, 428 36, 428215, 428222, A21D 1002, B65D 2516, B65D 556, D03D 1300
Patent
active
041812395
ABSTRACT:
A cylindrical container body for packaging pressurized carbonated beverages, comprising (a) at least one film of a synthetic or semi-synthetic organic polymer having a permeability to oxygen lower than 6.times.10.sup.-13 ml.cm/cm.sup.2.sec.cm of mercury at 25.degree. C. and 0% relative air humidity; (b) at least two films of a polyester; and (c) at least two layers of an organic thermoplastic binder having a permeability to water vapor lower than 1.times.10.sup.-14 g.cm/cm.sup.2.sec.cm of mercury at 38.degree. C. and 90% relative air humidity, all the films of (a) and (b) being adhesively bonded together by means of the binder of (c) in the form of a cylindrical body, the wall of which has a spirally or convolutely wound structure, in which each film of (a) is separated both from the outside surface and from the inside surface of the cylindrical body by at least one film of (b) and at least one layer of (c), and containers comprising said cylindrical body and provided with top and bottom end closures at the opposite ends thereof.
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Depuydt Andre
Heiremans Robert
Dixon Jr. William R.
U C B Societe Anonyme
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