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US 5,209,456 AGranted
Tank valve
OwnerClyde H. Chronisterinventor
Life of this patent
Estimating the term…
Abstract
A valve insertable in a threaded opening in a tank for loading, unloading, or sealing the tank. The valve includes a threaded blocking plug threadable into the opening, and a threaded pipe connected to the top of the plug for threading into the opening. The pipe includes a port adjacent its lower end whereby the tank may be emptied or filled when the port is positioned in the tank and the tank is sealed when the plug is positioned in the opening.
Claims10
A valve for use on a tank comprising,
- said tank having at least one opening, said opening having a threaded inteior,
- a valve inserted into the opening for loading, unloading, or sealing the tank including,
- a threaded blocking plug threadable into said opening, said plug sealing and closing the opening when positioned in said opening,
- a pipe connected to the top of the plug, said pipe including threads on the exterior of the pipe for threading the pipe into and out of the opening, and
- said pipe including a port adjacent the lower end of the pipe whereby the tank may be emptied or filled through the pipe when the port is positioned in the tank.
2 more elements
Dependencies are inferred from the claim text.