Stock material or miscellaneous articles – Structurally defined web or sheet – Weight per unit area specified
Patent
1984-03-09
1985-08-27
Kittle, John E.
Stock material or miscellaneous articles
Structurally defined web or sheet
Weight per unit area specified
428 35, 428461, 428512, 428516, 426126, 426127, 229 31, B32B 2106
Patent
active
045378150
ABSTRACT:
The drawings and description disclose a heat sealable container for edible oils and other types of oils, and a blank for constructing same, having a laminated wall construction of suitable oil resistant barriers or layers which are compatible with one another insofar as bonding and sealing are concerned. Such wall construction includes central layers of aluminum foil and fluorochemically treated paperboard secured to one another by a suitable adhesive, an ionomer layer, such as Surlyn, formed on each outer paperboard and foil surface, and a layer of thermoplastic material, such as polyethylene, formed on each outer Surlyn surface. As an alternate embodiment in some applications, the Surlyn layer may be omitted from the foil surface, and the outer layer of thermoplastic material may be applied directly to the foil surface.
REFERENCES:
patent: 3120335 (1964-02-01), Egleston et al.
patent: 3972467 (1976-08-01), Whillock et al.
patent: 4239150 (1980-12-01), Schadowski
patent: 4341340 (1982-07-01), Lisiecki
Wise Daniel J.
Woodhall Donna M.
Ex-Cell-O Corporation
Kittle John E.
Moran John P.
Seidleck James J.
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