Triangle Conduit & Cable Co. v. National Electric Products Corp.

McLaughlin, circuit judge.

This appeal involves a suit under the Sherman Act, 15 U.S.C.A. §§ 1-7, 15 note, and Clayton Act, 15 U.S.C.A. § 12 et seq., in which summary judgment was entered in the District Court in favor of the defendant.

Plaintiff manufactures armored cable. In that process, where the steel armor of the cable is cut off to expose the ends of the interior wires for the purpose of making connections, a fiber insulating bushing is inserted at each terminal to protect the wires from the sharp edges of the cut armor. Prior to 1937 plaintiff had purchased such bushings from an outside…