Firma Friedrich Kocks

Hermann Moeltner

Werner Demny

A multistand rolling mill for stretch reducing tubes is provided in which the first stands of a plurality of successive stands are operated to build up tension and at least one of said stands is provided with means for varying the roll speed to provide a desired speed step in those stands designed to build up tension.

Tube rolling

A sizing mill is provided for reducing tubes having a number of roll stands arranged one behind the other and in which the sizing pass of at least the first stand is so out of round that the first sizing pass can effect tube reduction over the whole range of external diameters of tubes to be rolled in any given rolling program.

Growing community of inventors

Dusseldorf, Germany

Hermann Moeltner