Method for making easy open container end with protective edges

Details Method for making easy open container end with protective edges Method for making easy open container end with protective edges

1976-12-30

1977-10-11

Keenan, Michael J.

113 15A, B21D 5144

Patent

active

040529495

ABSTRACT:
An easy open container end having a pair of generally annular double-reverse folds with a common scored band between them that defines a removable panel wherein a smooth edge of each of the double-reverse folds protects the severed edge of the score upon removal of the panel from the container and a method for forming the improved easy open container end.

REFERENCES:
patent: 3696961 (1972-10-01), Holk
patent: 3765352 (1973-10-01), Schubert et al.
patent: 3853080 (1974-12-01), Zundel
patent: 3868919 (1975-03-01), Schrecker et al.
patent: 3939787 (1976-02-01), Morrison et al.
patent: 3945334 (1976-03-01), Ostrem et al.
patent: 3986631 (1976-10-01), Ostrem
patent: 3990376 (1976-11-01), Schubert et al.

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