Rotary cutting roller

Details Rotary cutting roller Rotary cutting roller

1983-08-24

1985-01-01

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 12, 299 87, E21C 708

Patent

active

044913702

ABSTRACT:
A cutting roller for a winning machine, which includes a tubular support and a number of helical blades on the tubular support provided with cutting picks arranged on the periphery of each blade, is provided with a hydraulic fluid spraying system which comprises a circumferential fluid distribution passage formed in the blade, connecting passages leading to the spraying nozzles and a radial bridging passage connecting the fluid distribution passage with the connecting passages. The fluid distribution passage and the bridging passage are grooves which accommodate plastic fluid-conducting tubes. The grooves are covered with covers of non-corrossive material which are releasably connected to the walls of the blade.

REFERENCES:
patent: 3847439 (1974-11-01), Allen
patent: 4219239 (1980-08-01), Weikert et al.

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