E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
262/10.1
E21C 35/22 (2006.01) E21C 35/187 (2006.01)
Patent
CA 1198455
ABSTRACT A cutting drum for a mining machine has spray nozzles arranged individually in nozzle holders communicating with a connecting channel for spray liquid. A shut-off valve is associated with the nozzle holder and is open during normal operation of the cutting drum but moves automatically to the closed position after complete or partial removal of the spray nozzle.
432994
Best Gerd
Weikert Norbert B.
Fetherstonhaugh & Co.
Krampe & Co. Fertigung In Bergbaubedarf G.m.b.h. Zweigniederlass
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