Container closure with double-axis resiliently-biasing web-hinge

Details Container closure with double-axis resiliently-biasing web-hinge Container closure with double-axis resiliently-biasing web-hinge

1999-05-20

2000-04-18

Newhouse, Nathan J.

Bottles and jars

Closures

Closure pivoted about receptacle opening

215237, 220838, 222556, B65D 4708

Patent

active

06050434&

ABSTRACT:
A captive cover closure for dispensably containing its contents, and including a dispensing cap having a captive cover integrally hinged to it by a double-axis, multi-stable resiliently-biasing, web-hinge structure. The web-hinge structure enables the captive cover to move between multiple stable positions, including a closed position over the dispensing cap and an open position remotely spaced from the dispensing cap. The web-hinge structure has a partially-cylindrical-surface configuration when in the open position, and a pair of hyperbolically oriented film hinges defined by arcuate scores on the concave side of the web-hinge structure. When operated, the web-hinge structure resiliently biases in two snap-action stages to pivot the captive cover along the inner and outer film hinges. The two stage movement transitionally raises and laterally advances the outer film hinge to a position having a greater approach angle to the extended spout tip, thereby enabling the captive cover to clear the extended spout typically found on pharmaceutical dispensing containers.

REFERENCES:
patent: 4403712 (1983-09-01), Wiesinger
patent: 4915268 (1990-04-01), Lay et al.
patent: 5007555 (1991-04-01), Beck
patent: 5067624 (1991-11-01), Thanisch
patent: 5148912 (1992-09-01), Nozawa
patent: 5335802 (1994-08-01), Brach et al.
patent: 5558239 (1996-09-01), Dubach
patent: 5642824 (1997-07-01), Hess, III et al.
patent: 5938087 (1999-08-01), Randall

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