FR580375A - Croc pour machines minières - Google Patents

Croc pour machines minières

Info

Publication number
FR580375A
FR580375A FR580375DA FR580375A FR 580375 A FR580375 A FR 580375A FR 580375D A FR580375D A FR 580375DA FR 580375 A FR580375 A FR 580375A
Authority
FR
France
Prior art keywords
croc
mining machines
mining
machines
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
Other languages
English (en)
Inventor
Newton Kibler Bowman
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 FR580375A publication Critical patent/FR580375A/fr
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
    • E21C35/183—Mining picks; Holders therefor with inserts or layers of wear-resisting material

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)
FR580375D 1924-03-22 1924-03-22 Croc pour machines minières Expired FR580375A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR580375T 1924-03-22

Publications (1)

Publication Number Publication Date
FR580375A true FR580375A (fr) 1924-11-05

Family

ID=8956729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR580375D Expired FR580375A (fr) 1924-03-22 1924-03-22 Croc pour machines minières

Country Status (1)

Country Link
FR (1) FR580375A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017562B (de) * 1955-03-01 1957-10-17 Wallram Hartmetall Schraemmeissel mit prismatischem Hartmetalleinsatz

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017562B (de) * 1955-03-01 1957-10-17 Wallram Hartmetall Schraemmeissel mit prismatischem Hartmetalleinsatz

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