Closure device for a container
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United States of America Patent
Stats
-
Feb 24, 1987
Grant Date -
N/A
app pub date -
Sep 27, 1985
filing date -
Sep 28, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A closure device for a container is described consisting of a cap for a container and a cap lid which is pivotably mounted on the cap. The cap lid has an encircling circumferential border which projects downwardly from the upper surface of the lid. The border is a curved spherical surface segment and the cap defines a cup-shaped recess which is complementary in shape to facilitate sealing. The center of curvature of the spherical surface segment is located on the pivot axis of the cap lid. A pair of supporting plates are formed on a base portion of the cap and are guided in the pivot plane of the cap lid by parallel guide ribs so that the cap is non-rotatably mounted and pivotably mounted reliably in the recess and is sealed in every operating position relative to the container cap.
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