Tank fitting facilitating fluid drainage

Details Tank fitting facilitating fluid drainage Tank fitting facilitating fluid drainage

1998-01-21

1999-11-23

Arola, Dave W.

Pipe joints or couplings

Pipe to discreet nipple or sleeve to plate

Nipple bolted to plate

285205, 29428, 2989014, F16L 3500

Patent

active

059886994

ABSTRACT:
A tank fitting assembly for an inlet/outlet port in a tank wall. The tank fitting assembly includes first and second fitting elements which are respectively mountable to an interior surface and an exterior surface of a tank and in registry with a drain opening in the tank wall. Stand-offs furnished on the underside of the body of the first fitting element create a gap between the underside of the element body and the tank wall. The gap serves as a fluid passageway, thereby allowing fluid to empty from the tank by passing along the bottom wall of the tank to the tank wall drain opening and then through a drain hole in the second fitting element. The connectors used to connect together the first and second fitting elements extend through bores provided in the first fitting element, through the tank wall, and through bores provided in the second fitting element. Plugs mountable to the heads of the connectors fit within cavities in the first fitting element in which the connector heads reside when installed, and the plugs provide fluid tight seals with the first fitting element to prevent fluid in the tank from reaching the connector heads. A method of providing a tank with a tank fitting assembly is also disclosed.

REFERENCES:
patent: 2441009 (1948-05-01), Cunningham
patent: 2675252 (1954-04-01), Haines
patent: 2757025 (1956-07-01), Noyes et al.
patent: 2922526 (1960-01-01), Ohmann
patent: 4593714 (1986-06-01), Madden
patent: 5690368 (1997-11-01), Johnson
Product brochure entitled Banjo Liquid Handling Products, A New Generation of Products!, Banjo Corporation, Crawfordsville, IN, Sep. 1995, particularly p. 18 & back cover.
Product brochure entitled Snyder Agricultural Tanks--Built for a Life on the Farm, Snyder Industries, Inc., Lincoln, NE, particularly p. 12.
Product brochure entitled Agricultural Product Directory Products & Accessories, Raven Industries, Inc., Plastics Division, Sioux Falls, SD, particularly pp. C3, C5, & C7.
Product brochure entitled Agricultural Tanks, Raven Industries, Plastics Division, Sioux Falls, SD, particularly p. 5.
Product brochure entitled Controlling Corrosive Liquids Through Plastics, Hayward Industrial Products, Inc., Elizabeth, NJ, Mar. 1987, particularly p. 21.
Product brochure entitled Perfection by Design, Norwesco Inc., Fluid Systems Division, St. Bonifacius, MN, 1989, particularly p. 10.
Tank fitting, photographs marked as Fig. 1 and Fig. 2.

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