FR1232936A - Perfectionnements aux machines d'abattage pour exploitations minières - Google Patents

Perfectionnements aux machines d'abattage pour exploitations minières

Info

Publication number
FR1232936A
FR1232936A FR773144A FR773144A FR1232936A FR 1232936 A FR1232936 A FR 1232936A FR 773144 A FR773144 A FR 773144A FR 773144 A FR773144 A FR 773144A FR 1232936 A FR1232936 A FR 1232936A
Authority
FR
France
Prior art keywords
mining operations
slaughtering machines
slaughtering
machines
mining
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
FR773144A
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.)
JOY SULLIVAN Ltd
Original Assignee
JOY SULLIVAN 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 JOY SULLIVAN Ltd filed Critical JOY SULLIVAN Ltd
Application granted granted Critical
Publication of FR1232936A publication Critical patent/FR1232936A/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
    • E21C27/124—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 rotatable cutters provided with breaking-down members

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)
FR773144A 1957-08-26 1958-08-26 Perfectionnements aux machines d'abattage pour exploitations minières Expired FR1232936A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1232936X 1957-08-26

Publications (1)

Publication Number Publication Date
FR1232936A true FR1232936A (fr) 1960-10-12

Family

ID=10884616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR773144A Expired FR1232936A (fr) 1957-08-26 1958-08-26 Perfectionnements aux machines d'abattage pour exploitations minières

Country Status (1)

Country Link
FR (1) FR1232936A (fr)

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