Rail joint bars and rail joint assemblies

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7490781
APP PUB NO 20070034706A1
SERIAL NO

11503865

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A rail joint assembly is provided for joining abutting railroad rails with an electrically-insulated joint. The rail joint assembly comprises abutting railroad rails compressing an insulating gasket therebetween and rail joint bars secured through a plurality of holes by fasteners to the adjacent railroad rails. The rail joint bars comprise a body and an insulating spacer comprising a porous mesh screen and washer. A layer of epoxy is sandwiched between a rail joint bar and railroad rail and comprises a rigid epoxy on lateral portions of a first side of a rail joint bar and a flexible epoxy placed on a central portion of the first side of a rail joint bar. Rail joint bars are rectangular shaped and may have a cutout.

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Patent Owner(s)

Patent OwnerAddress
KOPPERS DELAWARE INC436 SEVENTH AVENUE PITTSBURGH PA 15219

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Downey, John M Ashland, US 16 119
Mospan, John W Pittsburgh, US 37 298
Urmson,, Jr W Thomas Valencia, US 18 103

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