Westinghouse Electric Corporation

Robert W Thompson

Gerald R Alkire

Woodrow W Frank, Jr

Linda A Thompson

Tracheotomy tube accommodating bib

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.

Inflatable seal for an annular cavity

An elastomer impregnated with carbon is utilized in conjunction with a conductor to test the dielectric adequacy of a nonconductor and to indicate physical defects, such as cracks, pinholes or a thickness below a predetermined minimum, by depositing traces of carbon on the nonconductor in the area of the defect or the area where the thickness is below the predetermined minimum.

Method for testing dielectric adequacy and for indicating physical

Elastomer belt impregnated with carbon for testing dielectric adequacy

An elastomer impregnated with carbon is utilized in conjunction with a conductor to test the dielectric adequacy of a nonconductor and to indicate physical defects, such as cracks, pinholes or a thickness below a predetermined minimum, by depositing traces of carbon on the non-conductor in the area of the defect or the area where the thickness is below the predetermined minimum.

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Pearland, TX, United States of America

Robert W Thompson