Easy open can end method of manufacture

Details Easy open can end method of manufacture Easy open can end method of manufacture

1989-08-23

1991-02-19

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Control means energized in response to activator stimulated...

Responsive to work material, the product or means engaging...

413 15, 413 16, 220273, B21D 5144

Patent

active

049940090

ABSTRACT:
An improved easy open can end having a retained tear strip extending diametrically partly across the can end defined by a score line, and a graspable pull tab adjacent and outside the open end of the score line. The pull tab is attached to the can end by means of a rivet, the can end around the base of the rivet being deformed so as to slightly tilt the rivet toward the finger end of the pull tab. Accordingly, initial lifting of the pull tab is fully directed to the initial fracture of the score line immediately in front of the rivet, thereby ensuring desirable venting action of internal pressure and allowing opening of the can end with less effort.

REFERENCES:
patent: 3938696 (1976-02-01), Herbst
patent: 4202287 (1980-05-01), Zundel
patent: 4530631 (1985-07-01), Kaminski et al.

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