Screw cap for a vessel
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United States of America Patent
Stats
-
N/A
Issued Date -
Dec 30, 2004
app pub date -
Jun 1, 2004
filing date -
May 29, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A cap for closing a threaded port in a vessel such as a pressure sprayer tank. A cup-shaped central portion of the cap faces into the vessel when the cap is installed onto the threaded port. The cup-shaped portion is provided with indicia indicative of volumes of material. In measuring use, the cap is inverted, allowing the cup-shaped portion be used as a measuring cup to which material may be added. When the desired amount has been added, the cap is re-inverted to dump the material into the vessel. Preferably, the cup-shaped portion has a skewed rim such that a portion of the rim forms a pouring lip. A pressure relief system permits relief of pressure when the vessel is opened at conclusion of use. Preferably, threads on the cap and the vessel are configured such that the cap seals against the vessel in one-quarter revolution of the cap.
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Cited Art Landscape
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