Tamper-evident closures

Details Tamper-evident closures Tamper-evident closures

1988-02-26

1989-05-09

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

B65D 4134

Patent

active

048281271

ABSTRACT:
In a tamper-evident screw-threaded closure of the kind in which the skirt of a cap is joined at its lower edge to a band by integral elongated breakable webs the webs are associated with co-operating teeth and notches that drive the band during the screwing-on step, the web extending from the root of the tooth to the adjacent wall of the notch in an inclined direction such as to flex or pivot and allow relative movement between the cap and band during this step without breaking, and the band has lugs which oppose circumferential, rather than axial, movement in the unscrewing direction.

REFERENCES:
patent: 3455478 (1969-07-01), Fields et al.
patent: 4529096 (1985-07-01), Chartier et al.
patent: 4541536 (1985-09-01), Davis et al.
patent: 4715506 (1987-12-01), McLaren

Affiliated with

Also associated with

Rating

Tamper-evident closures does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tamper-evident closures, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tamper-evident closures will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-83353