FR991350A - Method and apparatus for the removal and removal of coal - Google Patents

Method and apparatus for the removal and removal of coal

Info

Publication number
FR991350A
FR991350A FR991350DA FR991350A FR 991350 A FR991350 A FR 991350A FR 991350D A FR991350D A FR 991350DA FR 991350 A FR991350 A FR 991350A
Authority
FR
France
Prior art keywords
removal
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.)
Westfaelische Berggewerkschaftskasse
Original Assignee
Westfaelische Berggewerkschaftskasse
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 Westfaelische Berggewerkschaftskasse filed Critical Westfaelische Berggewerkschaftskasse
Application granted granted Critical
Publication of FR991350A publication Critical patent/FR991350A/en
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
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting
    • E21C27/04—Machines which completely free the mineral from the seam solely by slitting by a single chain guided on a frame with or without auxiliary slitting 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)
FR991350D 1949-07-25 1949-07-25 Method and apparatus for the removal and removal of coal Expired FR991350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR991350T 1949-07-25

Publications (1)

Publication Number Publication Date
FR991350A true FR991350A (en) 1951-10-04

Family

ID=9551475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR991350D Expired FR991350A (en) 1949-07-25 1949-07-25 Method and apparatus for the removal and removal of coal

Country Status (1)

Country Link
FR (1) FR991350A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939441C (en) * 1953-09-19 1956-02-23 Eickhoff Maschinenfabrik Geb Cutting machine arranged on a chassis for underground mining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939441C (en) * 1953-09-19 1956-02-23 Eickhoff Maschinenfabrik Geb Cutting machine arranged on a chassis for underground mining

Similar Documents

Publication Publication Date Title
FR985284A (en) Method and apparatus for cleaning vehicles
FR981860A (en) Method and apparatus for continuous coal mining
FR1017573A (en) Method and apparatus for breaking up emulsions
FR1032107A (en) Method and apparatus for the continuous purification of crude sulfur
FR991350A (en) Method and apparatus for the removal and removal of coal
FR979309A (en) Method and apparatus for mining coal or other minerals
FR984551A (en) Method and apparatus for thermal operations
FR1087226A (en) Method and apparatus for the treatment of coal
FR1010844A (en) Method and apparatus for the purification of selenium and other similar substances
FR995067A (en) Process and apparatus for refining lead
FR1020504A (en) Method and apparatus for the absorption of sulfur trioxide
FR1035772A (en) Apparatus for the removal of coal
FR981098A (en) Method and apparatus for cleaning bottles
FR1056219A (en) Method for measuring the hardness of carbon and apparatus for carrying out this method
FR1017726A (en) Method and apparatus for the accelerated production of crystals of hydrated substances
FR1088902A (en) Method and apparatus for sound recording for indicating the progress of recording
FR979777A (en) Method and apparatus for gas cleaning
FR55240E (en) Method and apparatus for obtaining hydrocarbons
FR1025111A (en) Method and apparatus for the detection of vasospasms
FR969467A (en) Method and apparatus for deriving sheets
FR1030061A (en) Method and instrument for the removal of pituitaries from animals
FR1014037A (en) Method and apparatus for mechanical mining of coal and ore
FR983661A (en) Method and apparatus for the densimetric fractionation of granulated solids
FR1046139A (en) Method and apparatus for petroleum extraction
FR1063874A (en) Method and apparatus for the extraction of coals and ores