Snap-on, screw-off cap with tamper-evidencing skirt and containe

Details Snap-on, screw-off cap with tamper-evidencing skirt and containe Snap-on, screw-off cap with tamper-evidencing skirt and containe

1998-05-01

1999-11-02

Cronin, Stephen K.

Bottles and jars

Closures

Frangible member or portion

215 44, 215 45, 215318, 215320, 215329, 215354, B65D 4134

Patent

active

059753218

ABSTRACT:
A tamper-evidencing, snap-on, screw-off closure is used with a specially shaped container neck. The neck has a neck stretch with multiple neck threads and a locking wall below the neck stretch with a plurality of external teeth. The closure has an upper skirt with multiple closure threads which mate with the neck threads and a tamper-evidencing band with a plurality of internal teeth shaped and positioned to engage the external teeth. The teeth are shaped to guide the teeth into side-by-side interengage during axial application of the cap to the neck.

REFERENCES:
patent: 4930647 (1990-06-01), Dutt et al.
patent: 5385252 (1995-01-01), Hidding et al.
patent: 5415306 (1995-05-01), Luch et al.
patent: 5480045 (1996-01-01), Molinaro et al.
patent: 5593055 (1997-01-01), Repp et al.
patent: 5630520 (1997-05-01), Luch et al.
patent: 5687866 (1997-11-01), Luch et al.
patent: 5690243 (1997-11-01), Molinaro
patent: 5775528 (1998-07-01), Wohlgemuth et al.

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