초록 ▼

An overfill assembly for use with storage tanks, especially underground gasoline storage tanks. The overfill assembly comprises a dump tank with a fill pipe mounted therein. The fill pipe extends through the dump tank\s bottom and is in communication with the storage tank. A removable center-point c

An overfill assembly for use with storage tanks, especially underground gasoline storage tanks. The overfill assembly comprises a dump tank with a fill pipe mounted therein. The fill pipe extends through the dump tank\s bottom and is in communication with the storage tank. A removable center-point compression sealing lid member for the dump tank allows for ready access to the fill pipe. A valve mechanism in the dump tank allows for controlled emptying of spilled liquid in the dump tank to the storage tank.

대표청구항 ▼

An assembly for attachment to an underground liquid storage tank to control overfill of liquid during a filling operation with means to facilitate its use, comprising: (a) a dump tank having an interior with a volumetric capacity of at least about five gallons, said dump tank characterized in having

An assembly for attachment to an underground liquid storage tank to control overfill of liquid during a filling operation with means to facilitate its use, comprising: (a) a dump tank having an interior with a volumetric capacity of at least about five gallons, said dump tank characterized in having a main body and a neck extending therefrom with a top opening whereby access is gained to the interior of the dump tank, a bottom opening in the main body to accommodate a fill pipe, a second opening in a bottom of the main body for positioning of a valve mechanism, and permanent retaining means mounting on the dump tank\s outside upper surfaces for the purpose of receiving a lid member; (b) a fill pipe substantially within the dump tank, said fill pipe having a top extremity and a bottom extremity and extending from near the top of the dump tank through the bottom opening of the dump tank; (c) a plate radiating from near the top extremity of the fill pipe and permanently attached to the fill pipe and interior walls of the neck, said plate having openings for allowing excess liquid to pass therethrough; (d) a valve mechanism fitted within said second opening in the main body of the dump tank through which overfilled liquid collected in the dump tank can flow; and (e) a completely removable center-point compression sealing lid member for fitting over the top opening of the dump tank so as to form a sealed closing of the dump tank.