Metal tear-off cap

Details Metal tear-off cap Metal tear-off cap

1975-06-17

1976-08-31

Hart, Ro E.

Bottles and jars

Closures

Frangible member or portion

B65D 4132

Patent

active

039775569

ABSTRACT:
A metal cap for crimping on the neck of a container has one or two tear lines of reduced strength about its skirt which define a tear-off strip. A perforation for initiating tearing extends across the width of the strip and at least one smaller perforation is also provided in the strip. A tear-off tab (plastic tape) engages both sides of the strip and is joined together through the smaller perforation. The portion of the tear line adjacent the larger perforation may be scored to facilitate initial rupture in the desired direction. One or more circumferential reinforcing ribs may be provided in the skirt on one or both sides of the tear-off strip.

REFERENCES:
patent: 1875431 (1932-09-01), Fabrice

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