Bottles and jars – Closures – Frangible member or portion
Patent
1997-10-20
2000-08-15
Cronin, Stephen K.
Bottles and jars
Closures
Frangible member or portion
215318, 215 44, B65D 3900
Patent
active
061022276
ABSTRACT:
There is disclosed a press-on bottle cap which is convertible to a screw reclosure lid. The cap is formed with a circular disc having an integral, downwardly dependent circumferential skirt. The skirt has a raised helical bead on its inside wall which extends an angular increment from 270 to about 400 degrees and a raised circumferential bead located beneath the helical bead and at least one tear line defined by a circumferential band of weakened strength located between the circumferential and helical beads. A tear tab extends from the outer wall of the skirt adjacent the tear line which can be pulled by the user to sever a reclosure lid having the helical bead which can be threaded onto the neck of the bottle to seal its contents. For this purpose, the undersurface of the disc of the cap has a compressible sealing gasket which is engaged by an annular lip of the upper end of the bottle neck.
REFERENCES:
patent: 4354609 (1982-10-01), Hidding
patent: 4417666 (1983-11-01), Roberts
patent: 4984701 (1991-01-01), Margaria
patent: 5097974 (1992-03-01), Rozenberg
patent: 5190178 (1993-03-01), Luch
patent: 5197619 (1993-03-01), Margaria
patent: 5207340 (1993-05-01), Cochrane
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