FR1461832A - Cutting tools for cutting down minerals - Google Patents

Cutting tools for cutting down minerals

Info

Publication number
FR1461832A
FR1461832A FR43399A FR43399A FR1461832A FR 1461832 A FR1461832 A FR 1461832A FR 43399 A FR43399 A FR 43399A FR 43399 A FR43399 A FR 43399A FR 1461832 A FR1461832 A FR 1461832A
Authority
FR
France
Prior art keywords
cutting
minerals
tools
cutting tools
cutting down
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
FR43399A
Other languages
French (fr)
Inventor
Frederick Evett
Evett
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 filed Critical
Application granted granted Critical
Publication of FR1461832A publication Critical patent/FR1461832A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • E21C35/184—Reversible picks, i.e. having two working ends, one operating, the other in reserve

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Milling Processes (AREA)
FR43399A 1964-12-22 1965-12-22 Cutting tools for cutting down minerals Expired FR1461832A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5197064 1964-12-22

Publications (1)

Publication Number Publication Date
FR1461832A true FR1461832A (en) 1966-12-09

Family

ID=10462139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43399A Expired FR1461832A (en) 1964-12-22 1965-12-22 Cutting tools for cutting down minerals

Country Status (4)

Country Link
BE (1) BE674194A (en)
ES (1) ES321059A1 (en)
FR (1) FR1461832A (en)
LU (1) LU50119A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10163717C1 (en) * 2001-12-21 2003-05-28 Betek Bergbau & Hartmetall Chisel, for a coal cutter, comprises a head having cuttings-receiving pockets arranged a distance apart between the tip and an annular groove and running around the head to form partially concave cuttings-retaining surfaces facing the tip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10163717C1 (en) * 2001-12-21 2003-05-28 Betek Bergbau & Hartmetall Chisel, for a coal cutter, comprises a head having cuttings-receiving pockets arranged a distance apart between the tip and an annular groove and running around the head to form partially concave cuttings-retaining surfaces facing the tip

Also Published As

Publication number Publication date
ES321059A1 (en) 1966-08-01
BE674194A (en) 1966-06-22
LU50119A1 (en) 1966-04-21

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