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US 2006/0231580 A1Published application
Twist lock fluid dispensing valve
AssigneeSonoco Development, Inc.
InventorsRebecca LAWSON, James KICK
Life of this patent
Estimating the term…
Abstract
A twist-lock valve for use with a container for dispensing fluid material such as ink. The valve has a single sealing surface and comprises a base portion having a valve seat and a twist cap having a flexible annular rim that seats against the valve seat when the valve is closed. The valve has multiple settings or positions to accommodate different types of fluids, particularly fluids having different viscosities.
Claims6
A valve for use with a fluid dispensing container, the valve comprising:
- a base comprising an upwardly extending neck portion and a valve seat connected to the neck portion by bridges, the neck portion comprising an outer wall, an inner wall, a diagonal groove disposed about a lower portion of the neck outer wall, and one or more beads circumferentially disposed about an upper portion of the neck outer wall;
- and
- a cap reciprocally mounted to the neck portion and comprising a downwardly extending sidewall, a flexible annular rim extending radially inward from the sidewall, a tongue located on the inside surface of the cap sidewall near a lower end of the sidewall, and a rib extending radially inward from the cap sidewall, the flexible annular rim being in sealing engagement with the valve seat when the cap is in its lowest position relative to the neck;
- wherein twisting and pulling the cap causes the tongue to travel up the groove in the base and the rib to snap over the one or more beads.
1 more element
Dependencies are inferred from the claim text.