Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1996-04-22
1997-12-30
Mulchay, Peter D.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
264211, 264540, 264521, 264327, 524399, B29D 2200
Patent
active
057027862
ABSTRACT:
A process is described for improving the hydrocarbon solvent impermeability of polyethylene resin based containers. The process employs a thermal profile during thermal molding, which creates a crystalline barrier adjacent one surface of the container. The barrier enhances impermeability of the container.
REFERENCES:
patent: 4001368 (1977-01-01), Michizoe et al.
Greif Bros. Corporation
Mulchay Peter D.
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