Cutting roller

Details Cutting roller Cutting roller

E - Fixed Constructions

21

C

262/78

E21C 25/18 (2006.01) E21C 25/10 (2006.01) E21C 35/23 (2006.01)

Patent

CA 1173068

ABSTRACT A cutting roller for a mining machine, having a substantially conical closure member arranged to face the workings and a tubular body member which has a larger diameter at the end nearer the working face than at the discharge end, said tubular member mounting at least one cutting blade which, like the said closure member, is provided at its edge region with a plurality of bit holders for the attachment of cutter bits, wherein the outer surface 2 of the said body member 1 merges into the said substantially conical closure member 9 in a smooth, even curve (without any steps), so that the outside diameter of the body member in the region of the working face is substantially greater than the diameter in the region of the discharge end of the cutting roller, whilst liquid distribution channels 16, 17 of the or each said cutting blade and of the said substantially conical closure member 9 are connected to a single liquid distri- bution ring channel 21 in the region of the said substantially conical closure member 9.

401306

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