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FR979309A - Method and apparatus for mining coal or other minerals - Google Patents

Method and apparatus for mining coal or other minerals

Info

Publication number
FR979309A
FR979309A FR979309DA FR979309A FR 979309 A FR979309 A FR 979309A FR 979309D A FR979309D A FR 979309DA FR 979309 A FR979309 A FR 979309A
Authority
FR
France
Prior art keywords
minerals
mining coal
mining
coal
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
French (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.)
Bochumer Eisenhuette Heintzmann GmbH and Co KG
Original Assignee
Bochumer Eisenhuette Heintzmann GmbH and Co KG
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 Bochumer Eisenhuette Heintzmann GmbH and Co KG filed Critical Bochumer Eisenhuette Heintzmann GmbH and Co KG
Application granted granted Critical
Publication of FR979309A publication Critical patent/FR979309A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/60—Slitting by jets of water or other liquid

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)
FR979309D 1949-01-20 1949-01-20 Method and apparatus for mining coal or other minerals Expired FR979309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR979309T 1949-01-20

Publications (1)

Publication Number Publication Date
FR979309A true FR979309A (en) 1951-04-25

Family

ID=9521067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR979309D Expired FR979309A (en) 1949-01-20 1949-01-20 Method and apparatus for mining coal or other minerals

Country Status (1)

Country Link
FR (1) FR979309A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385888A1 (en) * 1977-03-29 1978-10-27 Gutehoffnungshuette Sterkrade PROCESS AND DEVICE FOR SLAUGHTERING FOR OBTAINING, BY COMBINED HYDRAULIC AND MECHANICAL MEANS, PRIMARILY HARD MINERAL SUBSTANCES
FR2408030A1 (en) * 1977-11-08 1979-06-01 Gewerk Eisenhuette Westfalia KNIFE FOR CARBON AND PLANE FILLED WITH KNIVES OF THIS TYPE
FR2409376A1 (en) * 1977-11-19 1979-06-15 Gewerk Eisenhuette Westfalia DEVICE FOR THE MECHANICAL AND HYDRAULIC COMBINATION OF COAL OR SIMILAR MINERALS IN BOTTOM MINING OPERATIONS
FR2411298A1 (en) * 1977-12-07 1979-07-06 Gewerk Eisenhuette Westfalia MILLING DEVICE, IN PARTICULAR FOR THE MILLING OF COAL IN BOTTOM MINING OPERATIONS
FR2475619A1 (en) * 1980-02-07 1981-08-14 Gewerk Eisenhuette Westfalia CYLINDER SHREDDER EQUIPPED WITH CUTTING NOZZLES, PARTICULARLY FOR THE EXPLOITATION OF ORE DEPOSITS OR THE LIKE

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2385888A1 (en) * 1977-03-29 1978-10-27 Gutehoffnungshuette Sterkrade PROCESS AND DEVICE FOR SLAUGHTERING FOR OBTAINING, BY COMBINED HYDRAULIC AND MECHANICAL MEANS, PRIMARILY HARD MINERAL SUBSTANCES
FR2408030A1 (en) * 1977-11-08 1979-06-01 Gewerk Eisenhuette Westfalia KNIFE FOR CARBON AND PLANE FILLED WITH KNIVES OF THIS TYPE
FR2409376A1 (en) * 1977-11-19 1979-06-15 Gewerk Eisenhuette Westfalia DEVICE FOR THE MECHANICAL AND HYDRAULIC COMBINATION OF COAL OR SIMILAR MINERALS IN BOTTOM MINING OPERATIONS
FR2411298A1 (en) * 1977-12-07 1979-07-06 Gewerk Eisenhuette Westfalia MILLING DEVICE, IN PARTICULAR FOR THE MILLING OF COAL IN BOTTOM MINING OPERATIONS
FR2475619A1 (en) * 1980-02-07 1981-08-14 Gewerk Eisenhuette Westfalia CYLINDER SHREDDER EQUIPPED WITH CUTTING NOZZLES, PARTICULARLY FOR THE EXPLOITATION OF ORE DEPOSITS OR THE LIKE

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