Composite metal and plastic tank

Claim 1

A composite metal and plastic tank comprising a metal frame assembly having a substantially horizontal flat bottom member of rectangular shape, supporting legs for said bottom member depending therefrom, an open framework extending upwardly from said bottom member and terminating in a rectangular top frame member, combination lifting lugs and leg positioners at the corners of said top frame, a hollow plastic container supported on said frame, said container being supported on said bottom member at a position within said framework and being of a size to extend upwardly from said frame bottom member to said top frame member in close proximity to said framework at positions therebetween, said container having a base provided with a discharge opening and a discharge spout extending downwardly from said base in communication with said discharge opening, said frame bottom member having an opening through which said spout extends downwardly, said base having downwardly inclined flow channels formed therein and terminating at said discharge opening to insure complete drainage of said container when desired, a dunnage plate formed of a foam material and supported on said frame bottom member at a position below said container base, said dunnage plate being provided with openings to accommodate the inclined portions of said base to thereby enable said container to be firmly supported on said frame assembly in an upright position with said frame bottom member being substantially horizontal to enable handling of said composite tank with conventional fork lift equipment.