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Bucyrus Blades, Inc.

Roy L Bain

Roger A Salway

A wear surface for helicopter shoes is constructed by forming a railed enclosure on a curved base plate, placing a mosaic of smooth-surfaced tungsten carbide blocks on the base plate within the enclosure, brazing the blocks to the plate and rails, and grinding the rails to form a smooth, edgeless transition between the wear surface and the plate surface.

Method of manufacturing curved wear surfaces for skid shoes

Curved wear surface for helicopter skid shoes

A wear insert for protecting a working element operating in an abrasive environment comprises a pair of spaced apart legs which define a gap for receiving a mounting flange of the protected working element. The wear element wraps around the mounting flange and interlocks with cooperative flanges of the working element to securely hold the insert to the working element.

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Yucaipa, CA, United States of America

Roy L Bain