Method of manufacturing an easily-opened can lid, and easily-ope

Details Method of manufacturing an easily-opened can lid, and easily-ope Method of manufacturing an easily-opened can lid, and easily-ope

1997-05-20

1999-06-22

Coan, James F.

Sheet metal container making

Method

Forming or treating metallic closure

413 8, 413 14, B21D 5144

Patent

active

059136510

ABSTRACT:
A method of manufacturing an easy-opened lid from sheet metal is disclosed, wherein an opening is stamped in the lid and the stamped out portion is utilized in manufacturing the lid, thus reducing loss of lid material.

REFERENCES:
patent: 161634 (1875-04-01), Patterson
patent: 1743544 (1930-01-01), Helberg
patent: 1866469 (1932-07-01), Hirsch et al.
patent: 5020955 (1991-06-01), Zumsteg
patent: 5156511 (1992-10-01), De Smet

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