Press on, screw tight means for applying a closure

Details Press on, screw tight means for applying a closure Press on, screw tight means for applying a closure

1990-08-16

1991-10-08

Culver, Horace M.

Package making

Methods

Closing package or filled receptacle

53367, B67B 320, B65B 728

Patent

active

050542680

ABSTRACT:
Inadvertent rupture of frangible tamper evidencing means during application of threaded closures is reduced by axially pressing the closure partially onto the container, without rotating the closure, until a downwardly tapered retaining means on the closure is engaged by an upwardly tapered locking rib around the container finish. This engagement centers and positions the closure so that the axis of the closure is aligned with the container axis. The closure is held in alignment to prevent cocking or misengagement of the threads until the closure is thereafter turned to tighten it on the container.

REFERENCES:
patent: 2658654 (1953-11-01), Schweizer
patent: 3968823 (1976-07-01), Simon
patent: 4156490 (1979-05-01), Peraboni
patent: 4196818 (1980-04-01), Brownbill
patent: 4506795 (1985-03-01), Herr
patent: 4643321 (1987-02-01), Gach
patent: 4691501 (1987-09-01), King
patent: 4846361 (1989-07-01), Haffner

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