FR1049213A - Perfectionnement aux machines de mines - Google Patents

Perfectionnement aux machines de mines

Info

Publication number
FR1049213A
FR1049213A FR1049213DA FR1049213A FR 1049213 A FR1049213 A FR 1049213A FR 1049213D A FR1049213D A FR 1049213DA FR 1049213 A FR1049213 A FR 1049213A
Authority
FR
France
Prior art keywords
further training
mining machines
mining
machines
training
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
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson Ltd
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 Mavor and Coulson Ltd filed Critical Mavor and Coulson Ltd
Application granted granted Critical
Publication of FR1049213A publication Critical patent/FR1049213A/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
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
    • E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
    • E21C27/128—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with breaking-down members functioning on the slitting level

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)
FR1049213D 1945-08-02 1947-12-24 Perfectionnement aux machines de mines Expired FR1049213A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1049213X 1945-08-02

Publications (1)

Publication Number Publication Date
FR1049213A true FR1049213A (fr) 1953-12-29

Family

ID=10870465

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1049213D Expired FR1049213A (fr) 1945-08-02 1947-12-24 Perfectionnement aux machines de mines

Country Status (1)

Country Link
FR (1) FR1049213A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1038503B (de) * 1954-10-29 1958-09-11 Eickhoff Geb Hydraulisch betaetigte Kohlenabdrueckvorrichtung fuer eine Schraemmaschine mit Schraempilz

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1038503B (de) * 1954-10-29 1958-09-11 Eickhoff Geb Hydraulisch betaetigte Kohlenabdrueckvorrichtung fuer eine Schraemmaschine mit Schraempilz

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