ES290709Y - EXTRACOTRA MACHINE BLADE, ESPECIALLY CARBON BRUSH. - Google Patents

EXTRACOTRA MACHINE BLADE, ESPECIALLY CARBON BRUSH.

Info

Publication number
ES290709Y
ES290709Y ES1984290709U ES290709U ES290709Y ES 290709 Y ES290709 Y ES 290709Y ES 1984290709 U ES1984290709 U ES 1984290709U ES 290709 U ES290709 U ES 290709U ES 290709 Y ES290709 Y ES 290709Y
Authority
ES
Spain
Prior art keywords
extracotra
carbon brush
machine blade
especially carbon
blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES1984290709U
Other languages
Spanish (es)
Other versions
ES290709U (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of ES290709U publication Critical patent/ES290709U/en
Application granted granted Critical
Publication of ES290709Y publication Critical patent/ES290709Y/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/44—Planing knives
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1833—Multiple inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material
    • E21C35/1837—Mining picks; Holders therefor with inserts or layers of wear-resisting material characterised by the shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Earth Drilling (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
ES1984290709U 1983-09-22 1984-09-21 EXTRACOTRA MACHINE BLADE, ESPECIALLY CARBON BRUSH. Expired ES290709Y (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833334268 DE3334268A1 (en) 1983-09-22 1983-09-22 Pick for a winning machine working with a ploughing action, in particular a coal plough

Publications (2)

Publication Number Publication Date
ES290709U ES290709U (en) 1986-03-16
ES290709Y true ES290709Y (en) 1986-10-16

Family

ID=6209772

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1984290709U Expired ES290709Y (en) 1983-09-22 1984-09-21 EXTRACOTRA MACHINE BLADE, ESPECIALLY CARBON BRUSH.

Country Status (4)

Country Link
BE (1) BE900614A (en)
DE (1) DE3334268A1 (en)
ES (1) ES290709Y (en)
PL (1) PL249670A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201116414D0 (en) * 2011-09-23 2011-11-02 Element Six Holding Gmbh Pick tool assembly, method for making same and method for refurbishing same
US9573295B2 (en) * 2013-05-02 2017-02-21 Surface Preparation Technologies, Llc Cutting tool, mounting bracket, and rotatable cutting head

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1203714B (en) * 1964-07-22 1965-10-28 Gewerk Eisenhuette Westfalia Peeling tool, especially for the mechanical extraction of coal underground
DE2741894A1 (en) * 1977-09-17 1979-03-29 Krupp Gmbh TOOL FOR REMOVING ROCKS AND MINERALS

Also Published As

Publication number Publication date
ES290709U (en) 1986-03-16
PL249670A1 (en) 1985-05-07
BE900614A (en) 1985-01-16
DE3334268A1 (en) 1985-04-11

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