Method and device for the treatment of the upper surfaces of rai

Details Method and device for the treatment of the upper surfaces of rai Method and device for the treatment of the upper surfaces of rai

1990-11-13

1991-11-26

Parker, Roscoe V.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51262A, 51281B, 104279, E01B 3117

Patent

active

050672835

ABSTRACT:
A method and a device for treating the upper surfaces of rails, where the upper surfaces of rails (3) are acted upon by movable grinding blocks (7) disposed on a bogie which can be moved along on the tracks and where a plurality of grinding blocks (7) is used. The grinding blocks (7) are periodically lifted and lowered again singly or in groups, cleaning of the work face of the grinding block (7) being performed during the lifting of the respective grinding block (7). In case of curves in the rails, a change of the position of the grinding block (7) in relation to a hydraulic unit (11), which vertically moves the grinding block (7), is detected by proximity switches (12), and the position of the hydraulic unit (11) can then be adjusted via a transverse guide (10).

REFERENCES:
patent: 3850691 (1974-11-01), Bleil et al.
patent: 4178724 (1979-12-01), Bruno

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