Dispensing – With resilient biasing means for outlet element – Joint sealing bias only
Patent
1995-10-24
1997-11-18
Shaver, Kevin P.
Dispensing
With resilient biasing means for outlet element
Joint sealing bias only
215322, 220347, 220351, 222137, 222561, B65D 4700
Patent
active
056878850
ABSTRACT:
A dispensing container, such as a double-barrel cartridge used in dispensing dental material, matingly receives a sliding cap that maintains a seal between material in the barrels and the atmosphere. The cap includes a body and a gasket within the body, and the cap also includes a cam portion that shifts the body slightly away from an outlet of the container as the cap is moved toward a closed position to seal the container. Once the cap is in a fully closed position, the cam portion enables the body to shift somewhat closer to the container outlet in order to increase the compression of the gasket between the body and the outlet. Optionally, an orienting section is provided for insuring that the cap is coupled to the container in only one certain orientation, so that the likelihood of cross-contamination of material within the barrels due to residual material on the gasket is substantially reduced.
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Brochure for Imprint.TM. 2:5 Single Phase Technique from 3M Dental Product Division, copyright 1991.
Martin Thomas W.
Turk Frederick J.
Wilcox Malcolm W.
Christoff James D.
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Co.
Shaver Kevin P.
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