FR924183A - Machine perfectionnée pour l'exploitation de mines - Google Patents

Machine perfectionnée pour l'exploitation de mines

Info

Publication number
FR924183A
FR924183A FR924183DA FR924183A FR 924183 A FR924183 A FR 924183A FR 924183D A FR924183D A FR 924183DA FR 924183 A FR924183 A FR 924183A
Authority
FR
France
Prior art keywords
mining
advanced machine
advanced
machine
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)
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson Ltd
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 Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Application granted granted Critical
Publication of FR924183A publication Critical patent/FR924183A/fr
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
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
    • E21C27/14—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by force or pressure applied to side of slit, e.g. by wedges
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
    • E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
    • E21C27/128—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with breaking-down members functioning on the slitting level

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)
FR924183D 1943-07-29 1945-11-23 Machine perfectionnée pour l'exploitation de mines Expired FR924183A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB924183X 1943-07-29

Publications (1)

Publication Number Publication Date
FR924183A true FR924183A (fr) 1947-07-29

Family

ID=10727528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924183D Expired FR924183A (fr) 1943-07-29 1945-11-23 Machine perfectionnée pour l'exploitation de mines

Country Status (1)

Country Link
FR (1) FR924183A (fr)

Similar Documents

Publication Publication Date Title
FR924058A (fr) Taquet d'arrêt pour berlines de mines
FR898890A (fr) Poteau en fer pour mines
FR924183A (fr) Machine perfectionnée pour l'exploitation de mines
FR905292A (fr) Poteau de mine
FR906938A (fr) Procédé d'exploitation de schistes bitumineux par pyrogénation
FR919311A (fr) Explosifs de sûreté pour le sautage
FR921649A (fr) Machine perfectionnée pour l'exploitation des mines
FR930795A (fr) Perfectionnements aux machines pour l'exploitation minière
FR935475A (fr) Machine pour l'exploitation des mines
FR1043058A (fr) Détonateurs pour explosifs
FR953755A (fr) Machine pour l'exploitation des mines
FR909255A (fr) étançon de mines
FR922311A (fr) Perfectionnements de ou concernant les machines pour l'exploitation des mines
FR981251A (fr) étançon pour mines
FR894830A (fr) Rallonge pour poteaux de mine en fer
FR920119A (fr) Machine perfectionnée pour l'exploitation de mines comprenant un haveur de rouillure du type à chaîne porte-couteaux
FR1048383A (fr) Machine d'abatage pour les mines
FR52544E (fr) étai en fer pour galeries de mine
FR1083801A (fr) Mécanismes hydrauliques auxiliaires pour machines d'exploitation de mines
CA417293A (fr) Machine a miner
CA413597A (fr) Machine a miner
FR906228A (fr) Chapeau de soutènement en fer pour galeries de mines
FR911864A (fr) Machine minière
FR935474A (fr) Perfectionnement aux machines pour l'exploitation des mines
FR53660E (fr) Régulateur de vitesse pour machines d'extraction