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A modular roof assembly adapted to be secured to a generally circular structure consisting of an essentially continuous upstanding wall to which the modular roof assembly may be fastened. The modular roof assembly comprises a predetermined number of roof panels to be positioned in a circular manner

A modular roof assembly adapted to be secured to a generally circular structure consisting of an essentially continuous upstanding wall to which the modular roof assembly may be fastened. The modular roof assembly comprises a predetermined number of roof panels to be positioned in a circular manner to form a generally conical configuration. A prime feature of the modular roof assembly is the uniquely configured, interlocking panel edges that virtually eliminate any concern for leakage through the panel joints or seams.

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[ I claim:] [1.] A modular roof assembly adapted to be secured to a generally circular structure consisting of an essentially continuous upstanding wall terminating in a first annular compression ring to which said modular roof assembly may be secured, where said modular roof assembly comprises a pr

[ I claim:] [1.] A modular roof assembly adapted to be secured to a generally circular structure consisting of an essentially continuous upstanding wall terminating in a first annular compression ring to which said modular roof assembly may be secured, where said modular roof assembly comprises a predetermined number of roof panels to be positioned in a circular manner to form a generally conical configuration,each said roof panel comprising a generally trapezoidal-like configured planar member defined by a first narrow edge opposite from a second wider edge, and a pair of side edges each converging from said second edge to said first edge, where a first said side edge includes a T-shaped flange, with the two opposing legs thereof being perpendicular to the plane of said panel, and said second side edge includes a second T-shaped flange having one of the two opposing legs bent through an angle of 180 degrees away from the planar surface of its roof panel,whereby when a pair of said roof panels are assembled side-by-side the bent and angled leg of said second T-shaped flange overdoes one of the opposed legs of said first T-shaped flange of the adjacent roof panel, and that the free said opposed legs of the respective T-shaped flanges of adjacent roof panels face one another for securing together.