Closure having reinforced pull tab

Details Closure having reinforced pull tab Closure having reinforced pull tab

1984-10-25

1985-10-01

Hall, George T.

Receptacles

Closures

Removable closure retained by adhesive or fusion means

220270, B65D 4100

Patent

active

045440808

ABSTRACT:
A metallic closure for a cylindrical, rectangular or square container comprising a central panel which has a portion thereof adapted for attaching the closure to the end of a container to close the end. The panel has an opening therein and the portion of the metal adjacent the opening is rolled so that the end thereof engages under the inner surface of the panel in a smooth roll such that the free edge is not directly exposed to the contents in the container on which the closure is placed. A composite panel including a layer of plastic is bonded to the central panel and the outer surface of the central panel by heat fusion of plastic. The composite panel includes a tab that is formed integrally thereof and initially is folded back upon itself bringing the surfaces of the tab which bear the plastic into contact so that the two portions of the tab are bonded to one another to provide a double strength tab.

REFERENCES:
patent: 4087018 (1978-05-01), Tebbutt
patent: 4253584 (1981-03-01), Bloeck et al.
patent: 4280653 (1981-07-01), Elias
patent: 4324343 (1982-04-01), Moller
patent: 4372460 (1983-02-01), Brochman et al.

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