TREA

Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam

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Industry

  • CPC
  • E21C35/00
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING

Current Industry

E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam

Sub Industries

E21C35/02Locking equipment for slewable parts E21C35/04Safety devices E21C35/043Protection against overload during transfer of machines for slitting or completely freeing the mineral from the seam E21C35/046Protection of cables or pipes for supplying power E21C35/06Equipment for positioning the whole machine in relation to its substructure E21C35/08Guiding the machine E21C35/10by feelers contacting the working face E21C35/12along a conveyor for the cut mineral E21C35/125Means for inclining the conveyor E21C35/14Equipment for pressing the conveyor towards the working face E21C35/16by making use of the timbering, filling, or other supports E21C35/18Mining picks Holders therefor E21C35/183with inserts or layers of wear-resistant material E21C35/187with arrangement of fluid-spraying nozzles E21C35/19Means for fixing picks or holders E21C35/193using bolts as main fixing elements E21C35/1933the picks having a cylindrical shank E21C35/1936the picks having a square- or rectangular-section shank E21C35/197using sleeves, rings or the like, as main fixing elements E21C35/20General features of equipment for removal of chippings E21C35/22Equipment for preventing the formation of, or for removal of, dust E21C35/223Equipment associated with mining machines for sucking dust-laden air from the cutting area, with or without cleaning of the air E21C35/23Distribution of spraying-fluids in rotating cutter-heads E21C35/24Remote control specially adapted for machines for slitting or completely freeing the mineral
Industries