Snap-on, screw-off cap and container neck

Details Snap-on, screw-off cap and container neck Snap-on, screw-off cap and container neck

1997-01-10

1998-05-26

Cronin, Stephen

Bottles and jars

Closures

Frangible member or portion

215318, 215320, 215329, 215354, B65D 4134

Patent

active

057553483

ABSTRACT:
A tamper-evident, snap-on, screw-off closure is used with a specially shaped container neck. The neck has at least one first helical thread on an upper neck stretch portion, and a first tamper-evident structure having a first locking member. The closure has an upper skirt having at least one second helical thread mating with the first helical thread of the neck. The closure includes a second tamper-evident structure having a second locking member shaped and positioned to engage the first locking member when the closure is applied to the neck.

REFERENCES:
patent: 3695475 (1972-10-01), Ruekberg
patent: 3844443 (1974-10-01), Cudzik
patent: 3885696 (1975-05-01), Eberhardt
patent: 3901404 (1975-08-01), Feldman
patent: 3902621 (1975-09-01), Hidding
patent: 3980195 (1976-09-01), Fillmore
patent: 4298129 (1981-11-01), Stull
patent: 4354609 (1982-10-01), Hidding
patent: 4448631 (1984-05-01), Kern
patent: 4530437 (1985-07-01), Gray et al.
patent: 4567992 (1986-02-01), Davis
patent: 5020683 (1991-06-01), Strassheimer
patent: 5050754 (1991-09-01), Marino
patent: 5190178 (1993-03-01), Luch
patent: 5213224 (1993-05-01), Luch
patent: 5267661 (1993-12-01), Luch et al.

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