Closure having controlled radial flex

Details Closure having controlled radial flex Closure having controlled radial flex

1998-03-17

1999-11-02

Cronin, Stephen K.

Receptacles

Closures

Removable closure situated by resilient distortion and...

206508, 220780, 220781, 220782, 220789, B65D 4116

Patent

active

059753447

ABSTRACT:
An improved deep wiper closure for open head shipping containers wherein the closure exhibits an upwardly opening channel in the closure structure between a wiper wall and a riser wall, the riser wall connecting the wiper wall with a planar central panel of the closure. Angled ribs, each preferably integrally attached to only one of the walls, are disposed in the channel to provide controlled flexure between the walls under extreme side impact conditions.

REFERENCES:
patent: 3360156 (1967-12-01), Bohlman
patent: 4288000 (1981-09-01), Luker et al.
patent: 4512493 (1985-04-01), Von Holdt
patent: 4711364 (1987-12-01), Letica
patent: 5540349 (1996-07-01), Philips
patent: 5725122 (1998-03-01), Murphy et al.

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