FR1133038A - Machine de forage - Google Patents

Machine de forage

Info

Publication number
FR1133038A
FR1133038A FR1133038DA FR1133038A FR 1133038 A FR1133038 A FR 1133038A FR 1133038D A FR1133038D A FR 1133038DA FR 1133038 A FR1133038 A FR 1133038A
Authority
FR
France
Prior art keywords
drilling machine
drilling
machine
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.)
Goodman Manufacturing Co LP
Original Assignee
Goodman Manufacturing Co LP
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 Goodman Manufacturing Co LP filed Critical Goodman Manufacturing Co LP
Application granted granted Critical
Publication of FR1133038A publication Critical patent/FR1133038A/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
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type

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)
FR1133038D 1955-08-13 1955-08-13 Machine de forage Expired FR1133038A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1133038T 1955-08-13

Publications (1)

Publication Number Publication Date
FR1133038A true FR1133038A (fr) 1957-03-20

Family

ID=9638652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1133038D Expired FR1133038A (fr) 1955-08-13 1955-08-13 Machine de forage

Country Status (1)

Country Link
FR (1) FR1133038A (fr)

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