Method and apparatus for determining internal erosion of storage

Details Method and apparatus for determining internal erosion of storage Method and apparatus for determining internal erosion of storage

1975-10-01

1976-09-07

Queisser, Richard C.

Measuring and testing

Embrittlement or erosion

G01N 1700

Patent

active

039787168

ABSTRACT:
A method and apparatus for accurately determining the depth and extent of erosion in underground gasoline storage tanks at service stations. The apparatus provides for cleaning the interior of the tank adjacent the filler pipe, casting a duplicate of the eroded area by means of a casting cup and injector depositing molding materials, and removing the negative of the eroded area. The equipment comprises a brush and extension handle, a casting cup has a cylindrical body with a rectangular opening in the wall for removing solidified casting. The injector includes an operating rod, a cylinder, a piston, and a dispensing valve. The dispenser may be used for injecting a variety of fluids into the eroded area for dispersing inhibitors, injecting molding materials, and in the repair steps after the tank has been emptied and the eroded area cleaned.

REFERENCES:
patent: 1953452 (1934-04-01), Wertz
patent: 3046601 (1962-07-01), Hubbert et al.
patent: 3049752 (1962-08-01), Jordal et al.

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