Verfahren zum Abbau von Kohleflözen bei schälender Gewinnung mittels eines über gruppenweise angesteuerte Ausbaueinheiten gelenkten Hobels

摘要

The method involves variable building groups (1) being pressed with different pressures (23). A pilot shield (5) with a path measuring setting device may be equipped with hard facing progression cylinder (6) The invented equipped pilot shield may be next to a hydraulic controller (7), also with an electric controller for various functions, and may be tipped with an associating valve.