Drilled material removal device, for earth boring machine, uses extensions of boring disc arms for feeding drilled material to feed line removing it from drilling head

摘要

The device has a feed line (10) for removal of the drilled material positioned at the rear of the boring disc (2) which has a synchronized rotating and tumbling movement and arms (7,7',7'') provided with at least one extension (9,9',9''), having a rearwards directed feed surface (14,14',14'') for feeding the drilled material to the entry end (12) of the feed line.