Westinghouse Electric Corporation

Woodrow W Frank, Jr

Robert W Thompson

Gerald R Alkire

An inflatable seal for an annular cavity which is to be filled with magnetic rubber mold material utilized to inspect surfaces lining the cavity. The seal comprises an oblong tubular member sealed on each end and formed into a circle with the sealed ends engaged to form a circular ring. A conduit connects into the tubular member so that the seal may be inflated and deflated and a plurality of conduits pass through the tubular member a predetermined distance to position the seal within the cavity and provide means for supplying rubber mold material to the seal portion of the cavity and bleed air or evacuate the cavity as the rubber mold material is being injected thereto.

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West Chester, PA, United States of America

Woodrow W Frank, Jr