One-piece plastic closure with a hinge

Details One-piece plastic closure with a hinge One-piece plastic closure with a hinge

1989-01-25

1990-08-21

Huppert, Michael S.

Dispensing

With flow controller or closure

Pivoted

222 92, B65D 3544

Patent

active

049498835

ABSTRACT:
This invention relates to a one-piece closure which has a lower part and a cap connected with a hinge. The side walls of the lower part are inclined from the cover surface to the exterior. A discharge spout penetrates the cover surface. The discharge spout is inclined and parallel to a side wall part in the area of the hinge. The specific geometry of the closure makes it possible to inject into a mold a one-piece hinge closure, with walls inclined outwardly, without using a slide unit. This invention also makes it possible to construct the lower part of the closure as a tube head.

REFERENCES:
patent: 2778533 (1957-01-01), Savary
patent: 3285477 (1966-11-01), Marona et al.
patent: 3297211 (1967-01-01), Unger
patent: 4087028 (1978-05-01), Lang
patent: 4377247 (1983-03-01), Hazard et al.
patent: 4815616 (1989-03-01), Silvenis

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