Container closure and manufacture

Details Container closure and manufacture Container closure and manufacture

1974-12-19

1976-11-23

Hart, Ro E.

Bottles and jars

Closures

With separate applied fastener to hold closure in closed...

215321, B65D 4530

Patent

active

039932109

ABSTRACT:
A container closure comprises a plastic ring having a top wall and a depending skirt with an annular opening in the top wall. A metal disc is disposed within and against the ring to close the opening. The metal disc is made from a stamped metal which is readily subject to corrosion. The raw edge of the disc is exposed and its internal layer is coated with a corrosion preventing material.

REFERENCES:
patent: 880969 (1908-03-01), Butler
patent: 1070748 (1913-08-01), Stollberg
patent: 1152107 (1915-08-01), Kerr
patent: 1664635 (1928-04-01), Magill
patent: 1832669 (1931-11-01), Thomas
patent: 2718323 (1955-09-01), Kennedy
patent: 3258148 (1966-06-01), Unger
patent: 3516565 (1970-06-01), Hatkevich
patent: 3633781 (1972-01-01), Zapata
patent: 3820678 (1974-06-01), Zipper
patent: 3866782 (1975-02-01), Westfall

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