FR1241962A - Haveuse-chargeuse-perforatrice pour gisements en dressant ou demi-dressant - Google Patents

Haveuse-chargeuse-perforatrice pour gisements en dressant ou demi-dressant

Info

Publication number
FR1241962A
FR1241962A FR810194A FR810194A FR1241962A FR 1241962 A FR1241962 A FR 1241962A FR 810194 A FR810194 A FR 810194A FR 810194 A FR810194 A FR 810194A FR 1241962 A FR1241962 A FR 1241962A
Authority
FR
France
Prior art keywords
upright
haver
perforator
loader
beds
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
FR810194A
Other languages
English (en)
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.)
Maschinenfabrik Korfmann GmbH
Original Assignee
Maschinenfabrik Korfmann GmbH
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 Maschinenfabrik Korfmann GmbH filed Critical Maschinenfabrik Korfmann GmbH
Application granted granted Critical
Publication of FR1241962A publication Critical patent/FR1241962A/fr
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
    • E21C25/02—Machines slitting solely by one or more percussive tools moved through the seam

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)
FR810194A 1958-11-13 1959-11-13 Haveuse-chargeuse-perforatrice pour gisements en dressant ou demi-dressant Expired FR1241962A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1241962X 1958-11-13

Publications (1)

Publication Number Publication Date
FR1241962A true FR1241962A (fr) 1960-09-23

Family

ID=7736112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810194A Expired FR1241962A (fr) 1958-11-13 1959-11-13 Haveuse-chargeuse-perforatrice pour gisements en dressant ou demi-dressant

Country Status (1)

Country Link
FR (1) FR1241962A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682819A (en) * 1984-03-12 1987-07-28 Roger Masse Method and apparatus for drilling hard material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682819A (en) * 1984-03-12 1987-07-28 Roger Masse Method and apparatus for drilling hard material

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