Bottles and jars – Closures – Frangible member or portion
Patent
1975-05-27
1976-08-17
Norton, Donald F.
Bottles and jars
Closures
Frangible member or portion
B65D 4146
Patent
active
039749320
ABSTRACT:
The neck of a plastic container of the type originally intended for use with a foil type closure is formed with a top bead, a first reduced-diameter step and a second reduced-diameter portion and then a downward-outward widening breast. The cap has a top disk which seats on the neck and has an outer skirt having an internal upper bead engaging under the top bead and a second internal bead fitting deeply into the second reduced-diameter portion. An inner skirt depends from the disk and fits inside the neck. Thus the cap seats tightly on the container neck. To remove the cap, a circumferential internal weakened portion is formed in the outer skirt. A curved weakened portion extends up from the bottom edge of the outer skirt and merges with the circumferential weakened portion. A pull tab depends from the bottom edge of the skirt. By pulling upward on the tab, the portion of the outer skirt below the first reduced-diameter portion of the neck is torn away. The remainder of the cap may be snapped off and later replaced for reclosure.
REFERENCES:
patent: 2772802 (1956-12-01), Woydatt
patent: 3120900 (1964-02-01), Faulstich
patent: 3142403 (1964-07-01), Fox
patent: 3608765 (1971-09-01), Faulstich
Caplan Julian
Norton Donald F.
Three Sisters Ranch Enterprise
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