Transporteur à raclettes à deux chaînes avec organes de guidage d'un rabot à charbon disposés du côté du remblai

摘要

1,085,722. Mining installations. GEWERKSCHAFT EISENHUTTE WESTFALIA. Feb. 8, 1965 [Feb, 11, 1964], No. 5300/65. Heading E1F. In a plough mining installation spacers secured in a guide channel on the goaf side of a conveyer of the installation to lie between the upper and lower runs of the haulage chain of the plough of the installation are transversely apertured between the ends in order that the weight of the spacers may be minimised to facilitate handling thereof.