FR632104A - Operating process for coal mines - Google Patents

Operating process for coal mines

Info

Publication number
FR632104A
FR632104A FR632104DA FR632104A FR 632104 A FR632104 A FR 632104A FR 632104D A FR632104D A FR 632104DA FR 632104 A FR632104 A FR 632104A
Authority
FR
France
Prior art keywords
operating process
coal mines
mines
coal
operating
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)
Inventor
Pierre-Eugene Leroux
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 filed Critical
Application granted granted Critical
Publication of FR632104A publication Critical patent/FR632104A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
FR632104D 1926-07-13 1926-07-13 Operating process for coal mines Expired FR632104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR632104T 1926-07-13

Publications (1)

Publication Number Publication Date
FR632104A true FR632104A (en) 1928-01-04

Family

ID=8992300

Family Applications (1)

Application Number Title Priority Date Filing Date
FR632104D Expired FR632104A (en) 1926-07-13 1926-07-13 Operating process for coal mines

Country Status (1)

Country Link
FR (1) FR632104A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE765241C (en) * 1941-11-29 1953-11-09 Eickhoff Maschinenfabrik Geb Loading device
FR2480349A1 (en) * 1980-04-15 1981-10-16 Tatabanyai Szenbanyak PROCESS FOR OPERATING COAL VEINS
EP0184720A1 (en) * 1984-11-28 1986-06-18 Potash Corporation Of Saskatchewan Mining Limited Underground mining method for mineral deposits

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE765241C (en) * 1941-11-29 1953-11-09 Eickhoff Maschinenfabrik Geb Loading device
FR2480349A1 (en) * 1980-04-15 1981-10-16 Tatabanyai Szenbanyak PROCESS FOR OPERATING COAL VEINS
EP0184720A1 (en) * 1984-11-28 1986-06-18 Potash Corporation Of Saskatchewan Mining Limited Underground mining method for mineral deposits

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