Snap-on/screw-off cap and neck configuration

Details Snap-on/screw-off cap and neck configuration Snap-on/screw-off cap and neck configuration

1995-10-20

1998-11-03

Shoap, Allan N.

Bottles and jars

Closures

Frangible member or portion

215330, B65D 4147

Patent

active

058296131

ABSTRACT:
A container closure system comprising a threaded cap and a threaded neck wherein the cap is affixed to the neck by direct axial application so that the mating threads slip past one another and into engagement. The cap further includes sealing means to capture and constrict the outer diameter of the neck, and valve means to plug the container opening in the neck and expand the outer diameter of the neck, so that the sealing means and valve means cooperate to improve sealing of the cap and neck. The cap and neck further include tamper-indication means to prevent removal of the cap without activation thereof.

REFERENCES:
patent: 5009323 (1991-04-01), Montgomery et al.
patent: 5100011 (1992-03-01), Maietta
patent: 5213224 (1993-05-01), Luch
patent: 5307945 (1994-05-01), Hidding et al.
patent: 5307946 (1994-05-01), Molinaro
patent: 5450972 (1995-09-01), Zemlo

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