Bottles and jars – Ejecting – Siphon type
Patent
1974-03-18
1976-03-16
Lusignan, Michael R.
Bottles and jars
Ejecting
Siphon type
428 35, 260 294R, 260 294UA, 260851, B65D 2300, C08L 6120
Patent
active
039441008
ABSTRACT:
A containment coating for glass containers. The composition includes a principal film-forming constituent comprising an acrylate latex containing a particulate resin comprising a copolymer of acrylonitrile and ethyl acrylate. The coating also contains at least one additional latex whose presence enhances the containment properties of the film after curing. Two such auxiliary latexes exhibit this capability and the coating composition contains either or both of them. One of these is a vinyl latex whose resin solids comprise a copolymer of ethylene and vinyl acetate. The other is a vinyl/acrylic latex whose resin solids comprise a copolymer of vinyl acetate and a lower alkyl acrylate. Hexamethoxymethylmelamine or a methylated urea-formaldehyde resin is included as a cross-linking agent and either polyacrylamide or a high molecular weight water-soluble polyethylene oxide resin is present as a thickener and a thixotrope. A method of producing a novel coated glass container of improved mechanical service strength is also disclosed.
REFERENCES:
patent: 3379559 (1968-04-01), Gerhardt
patent: 3713867 (1973-01-01), Parkinson et al.
patent: 3772061 (1973-11-01), McCoy et al.
patent: 3823032 (1974-07-01), Ukai
Brockway M. Clifford
Sharpe Robert E.
Liberty Glass Company
Lusignan Michael R.
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