Bottles and jars – Multilayer barrier structure – Coating or lamination
Patent
1973-12-26
1976-04-27
Van Balen, William J.
Bottles and jars
Multilayer barrier structure
Coating or lamination
156293, 156321, 156322, 156331, 260 78R, 428 35, 428430, 428435, B65D 2308
Patent
active
039528987
ABSTRACT:
Thermoplastic adhesive polycarbonamide-ester compositions having molecular weights ranging from about 2000 to 7000, a viscosity of about 2000 to 5000 centipoise at 160.degree.C. and a tensile shear strength of about 75 to 140 pounds per 1 inch .times. 1/2 inch lap, which are useful in the formation of creep resistant adhesive bonds in product assembly between laminae of relatively impervious materials such as glass, metals and certain of the plastics, e.g. polyethylene. An outstanding product assembly of this invention is a container of composite construction having a glass envelope of thin walled construction in the shape of an inverted light bulb bonded to a plastic cup-like base member with the above described thermoplastic adhesive composition.
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patent: 2386454 (1945-10-01), Frosch
patent: 2396248 (1946-03-01), Christ
patent: 2463977 (1949-03-01), Kropa
patent: 3449273 (1969-06-01), Kettenring et al.
patent: 3482724 (1969-12-01), Heaton
patent: 3506150 (1970-04-01), Tristine
patent: 3630797 (1971-12-01), Mallory et al.
patent: 3749630 (1973-07-01), Bayer
Holler Edward J.
Lipsey Charles E.
Owens--Illinois, Inc.
Rywalski Robert F.
Van Balen William J.
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