Supports – Stand – Receptacle
Patent
1987-12-04
1990-03-06
Talbott, David L.
Supports
Stand
Receptacle
220 1T, 220 69, 248346, 248907, 248910, A47G 2302
Patent
active
049059459
ABSTRACT:
A unitary, molded, concrete stabilizing base for refuse cans and the like, and method and apparatus for its manufacture are described. The base takes the form of a concrete annulus having a right-triangular cross section and an inner diameter dimensioned freely to receive a frusto-conical refuse can having a base diameter within a range of predetermined diameters. The inner cylindrical surface and the outer frusto-conical surface of the toroid smoothly are joined in a substantially rounded way. In use, and in the presence of lateral forces incident upon the installed refuse can, e.g. crosswinds, the base and the can cooperate by the impingement of their inner and outer surfaces to resist the tendency of the refuse can to tip and spill its contents. In a modification, the effective height of the base is increased by stacking the base atop a concrete annular platform of substantially equal diameters, thereby increasing further the range of refuse can base diameters that securely can be accommodated. Method and apparatus for manufacture of the base involve flexing an inverted, unitary, fiberglass mold convexly downwardly to strip the base therefrom under the influence of gravity. By the preferred method of flexing and stripping, an outer annular region of the mold is heated while an inner central region of the mold is cooled to produce a temperature gradient in the mold.
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