FR1091607A - Ciseau haveur à tranchant en métal dur - Google Patents

Ciseau haveur à tranchant en métal dur

Info

Publication number
FR1091607A
FR1091607A FR1091607DA FR1091607A FR 1091607 A FR1091607 A FR 1091607A FR 1091607D A FR1091607D A FR 1091607DA FR 1091607 A FR1091607 A FR 1091607A
Authority
FR
France
Prior art keywords
chisel
hard metal
metal edge
edge
hard
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
Aloys Schirber
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 FR1091607A publication Critical patent/FR1091607A/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
    • 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)
FR1091607D 1948-12-15 1948-12-15 Ciseau haveur à tranchant en métal dur Expired FR1091607A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1091607T 1948-12-15

Publications (1)

Publication Number Publication Date
FR1091607A true FR1091607A (fr) 1955-04-13

Family

ID=9615503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1091607D Expired FR1091607A (fr) 1948-12-15 1948-12-15 Ciseau haveur à tranchant en métal dur

Country Status (1)

Country Link
FR (1) FR1091607A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239275A (en) * 1961-04-17 1966-03-08 Charbonnage De France Mining pick

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239275A (en) * 1961-04-17 1966-03-08 Charbonnage De France Mining pick

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