FR2297991A1 - Procede et appareil pour l'extraction de mineraux - Google Patents

Procede et appareil pour l'extraction de mineraux

Info

Publication number
FR2297991A1
FR2297991A1 FR7501057A FR7501057A FR2297991A1 FR 2297991 A1 FR2297991 A1 FR 2297991A1 FR 7501057 A FR7501057 A FR 7501057A FR 7501057 A FR7501057 A FR 7501057A FR 2297991 A1 FR2297991 A1 FR 2297991A1
Authority
FR
France
Prior art keywords
hollow cylindrical
cylindrical members
forward movement
coal mining
scraping 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.)
Granted
Application number
FR7501057A
Other languages
English (en)
Other versions
FR2297991B3 (fr
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.)
EEK WOUTER VAN
Original Assignee
EEK WOUTER VAN
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 EEK WOUTER VAN filed Critical EEK WOUTER VAN
Priority to FR7501057A priority Critical patent/FR2297991A1/fr
Publication of FR2297991A1 publication Critical patent/FR2297991A1/fr
Application granted granted Critical
Publication of FR2297991B3 publication Critical patent/FR2297991B3/fr
Granted 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
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/34—Machine propelled along the working face by cable or chain
    • E21C27/35—Ram-ploughs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/29—Obtaining a slurry of minerals, e.g. by using nozzles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
    • E21B43/305—Specific pattern of wells, e.g. optimising the spacing of wells comprising at least one inclined or horizontal well
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Soil Working Implements (AREA)
FR7501057A 1975-01-15 1975-01-15 Procede et appareil pour l'extraction de mineraux Granted FR2297991A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7501057A FR2297991A1 (fr) 1975-01-15 1975-01-15 Procede et appareil pour l'extraction de mineraux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7501057A FR2297991A1 (fr) 1975-01-15 1975-01-15 Procede et appareil pour l'extraction de mineraux

Publications (2)

Publication Number Publication Date
FR2297991A1 true FR2297991A1 (fr) 1976-08-13
FR2297991B3 FR2297991B3 (fr) 1977-03-11

Family

ID=9149781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7501057A Granted FR2297991A1 (fr) 1975-01-15 1975-01-15 Procede et appareil pour l'extraction de mineraux

Country Status (1)

Country Link
FR (1) FR2297991A1 (fr)

Also Published As

Publication number Publication date
FR2297991B3 (fr) 1977-03-11

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Legal Events

Date Code Title Description
TP Transmission of property