Push-pull closure with reinforced tamper-proofing

Details Push-pull closure with reinforced tamper-proofing Push-pull closure with reinforced tamper-proofing

1997-11-07

2000-04-18

Kashnikow, Andres

Dispensing

With lock or fastening seal

Plural

22215306, 22215307, 222525, B67B 500

Patent

active

060504528

ABSTRACT:
A push-pull type closure includes a collar with an internal thread, a button associated with the collar, and a cap covering the button before the closure is first open, the cap including a tamper-proofing strip which is non-releasably confined in a groove of the collar, the transverse section of the tamper-proofing strip having a profile in the shape of a U which is open at the top, and the annular strip including an extreme portion which becomes lodged in the hollow of the U during crimping.

REFERENCES:
patent: 5104008 (1992-04-01), Crisci
patent: 5328063 (1994-07-01), Beck et al.
patent: 5456374 (1995-10-01), Beck
patent: 5507416 (1996-04-01), Rapchak et al.
patent: 5810185 (1998-09-01), Groesbeck

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