Gewerkschaft Eisenhutte Westfalia, Gmbh

Heinrich Wildforster

Walter Weirich

Christoph Rassmann

Willy Heyer

A mineral mining installation for winning material in a mineral mining working comprises a plough and a plough guide. The plough has a plough body movable along the plough guide, and the plough body is provided with a carrier for floor cutters. The carrier is mounted on the plough body for movement relative thereto and is supported and guided on a surface of the plough guide.

Mineral mining planer having pivoted floor cutter carrier

A system for controlling the thrust applied to a mineral winning machine, which is movable along a guide at a longwall face in a mine working, includes control means which regulates the thrust applied to the guide by hydraulic rams in dependence upon the loading of the winning machine drive. The control means may include one pressure regulator for each ram, one pressure regulator for each of a plurality of groups of rams, or one pressure regulator for all the rams.

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Gelsenkirchen-Buer, Germany

Heinrich Wildforster