FR2057460A5 - - Google Patents

Info

Publication number
FR2057460A5
FR2057460A5 FR6928608A FR6928608A FR2057460A5 FR 2057460 A5 FR2057460 A5 FR 2057460A5 FR 6928608 A FR6928608 A FR 6928608A FR 6928608 A FR6928608 A FR 6928608A FR 2057460 A5 FR2057460 A5 FR 2057460A5
Authority
FR
France
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
FR6928608A
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR6928608A priority Critical patent/FR2057460A5/fr
Application granted granted Critical
Publication of FR2057460A5 publication Critical patent/FR2057460A5/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
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting

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)
FR6928608A 1969-08-20 1969-08-20 Expired FR2057460A5 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6928608A FR2057460A5 (enExample) 1969-08-20 1969-08-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6928608A FR2057460A5 (enExample) 1969-08-20 1969-08-20

Publications (1)

Publication Number Publication Date
FR2057460A5 true FR2057460A5 (enExample) 1971-05-21

Family

ID=9039243

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6928608A Expired FR2057460A5 (enExample) 1969-08-20 1969-08-20

Country Status (1)

Country Link
FR (1) FR2057460A5 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344708A1 (fr) * 1976-03-17 1977-10-14 Legrand Marie Machine perfectionnee pour l'abattage de fronts courts dans les travaux de mines
DE2913129A1 (de) * 1979-04-02 1980-10-23 Wayss & Freytag Ag Vollschnittmaschine zum auffahren von tunneln mit nicht kreisfoermigem querschnitt
FR2470242A1 (fr) * 1979-04-13 1981-05-29 Legrand Marie Machine a tambour pour l'abattage de roches dans des travaux souterrains

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344708A1 (fr) * 1976-03-17 1977-10-14 Legrand Marie Machine perfectionnee pour l'abattage de fronts courts dans les travaux de mines
DE2913129A1 (de) * 1979-04-02 1980-10-23 Wayss & Freytag Ag Vollschnittmaschine zum auffahren von tunneln mit nicht kreisfoermigem querschnitt
FR2470242A1 (fr) * 1979-04-13 1981-05-29 Legrand Marie Machine a tambour pour l'abattage de roches dans des travaux souterrains

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Legal Events

Date Code Title Description
ST Notification of lapse