Tamper-evident closure

Details Tamper-evident closure Tamper-evident closure

1998-02-20

2000-02-15

Kaufman, Joseph A.

Dispensing

With lock or fastening seal

Single-use fastening seal

222182, 222521, 222525, B67D 506

Patent

active

060242566

ABSTRACT:
A tamper-evident closure including a cap having a base and an upstanding post, the base defining a circular channel. A spout is positioned on the upstanding post, with the spout carrying a circumferential skirt permanently retained in the circular channel. A frangible line of weakness permits separation of the spout from the circumferential skirt. The spout and circumferential skirt are of a color that contrasts with the color of the base and post, so that, upon movement of the spout on the post, the circumferential skirt remains in the channel to provide a visual indication of such movement.

REFERENCES:
patent: 4624378 (1986-11-01), Sawicki
patent: 4709823 (1987-12-01), Beck et al.
patent: 4746035 (1988-05-01), Anderson et al.
patent: 4821897 (1989-04-01), Weiler
patent: 4919285 (1990-04-01), Roof et al.
patent: 5085333 (1992-02-01), Dutt et al.
patent: 5284263 (1994-02-01), Papciak
patent: 5335802 (1994-08-01), Brach et al.
patent: 5456374 (1995-10-01), Beck
patent: 5507416 (1996-04-01), Rapchak et al.
patent: 5680965 (1997-10-01), Beck

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