Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source
Patent
1977-06-08
1979-10-30
Kittle, John E.
Stock material or miscellaneous articles
Hollow or container type article
Cellular material derived from plant or animal source
156332, 156196, 156331, 426126, 426127, 428339, 428424, 428458, 428335, 428332, B32B 2708, B65D 3102, B32B 1508, B65D 128
Patent
active
041729145
ABSTRACT:
A process for the manufacture of an Al/plastic laminate foil is described. The laminate comprises an aluminum foil with plastic foil stuck on to at least one of its sides whereby the plastic foils exhibits an elongation at fraction of 80-100% and the adhesive joining the components achieves a shear strength of at least 0.3 N/mm.sup.2. The plastic foils bear a greater part of the applied load when the laminate foil is stressed. The laminate foil is suitable for the manufacture of containers by deep drawing whereby no cracks or macropores form in the Al foil. The laminate effectively excludes light, water vapor and aromas from external sources and prevents the loss of aroma from the contents of such containers.
REFERENCES:
patent: 3136468 (1964-06-01), Keller
patent: 3556816 (1971-01-01), Nughes
patent: 3572499 (1971-03-01), Mondane
patent: 3616190 (1971-10-01), Shaw
patent: 3658562 (1972-04-01), Wilson
patent: 3949114 (1976-04-01), Viola et al.
patent: 4009312 (1977-02-01), Hayashi et al.
"Aluminium", vol. 45, No. 5, May 1969, p. 284.
Farrenkothen Klaus
Festag Werner
Muller Hans-Ueli
Kittle John E.
Swiss Aluminium Ltd.
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