FR1121531A - Charrue d'abattage du charbon - Google Patents

Charrue d'abattage du charbon

Info

Publication number
FR1121531A
FR1121531A FR1121531DA FR1121531A FR 1121531 A FR1121531 A FR 1121531A FR 1121531D A FR1121531D A FR 1121531DA FR 1121531 A FR1121531 A FR 1121531A
Authority
FR
France
Prior art keywords
felling
plow
coal
felling plow
coal felling
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Application granted granted Critical
Publication of FR1121531A publication Critical patent/FR1121531A/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
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/46—Mineral freed by means not involving slitting by percussed planing means

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)
FR1121531D 1953-11-10 1954-11-10 Charrue d'abattage du charbon Expired FR1121531A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1121531X 1953-11-10

Publications (1)

Publication Number Publication Date
FR1121531A true FR1121531A (fr) 1956-08-20

Family

ID=10875666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1121531D Expired FR1121531A (fr) 1953-11-10 1954-11-10 Charrue d'abattage du charbon

Country Status (1)

Country Link
FR (1) FR1121531A (fr)

Similar Documents

Publication Publication Date Title
FR1079955A (fr) Proglisseur mandibulaire
FR1121531A (fr) Charrue d'abattage du charbon
FR1084256A (fr) Perfectionnements aux rampes d'arrosage
FR1087705A (fr) Distributeur-mélangeur d'engrais
FR1091134A (fr) Robinet d'arrêt
FR1095540A (fr) Drague
FR1055068A (fr) Charrue
FR1078608A (fr) Compositions fumigènes
FR1098426A (fr) Charrue
FR1087730A (fr) Robinet d'arrêt
FR1066610A (fr) Guide-charrue
AT182733B (de) Schneeräumer
AT185836B (de) Schneeräumer
FR1081512A (fr) Chasse-neige
FR1074351A (fr) Iorizon artificiel
FR1079027A (fr) Horizon artificiel
FR1105034A (fr) Balayeuse
FR67697E (fr) Charrue alternative
FR1101517A (fr) Mécanisme d'échappement flottant
FR1097765A (fr) Machine pour l'abatage du charbon
ES38691Y (es) Arado
FR1076423A (fr) Charrue
FR1100586A (fr) Charrue
FR1117561A (fr) Conversion d'hydrocarbures
AT185176B (de) Abzweigrohr