FR355368A - Double cutting peak haverer - Google Patents

Double cutting peak haverer

Info

Publication number
FR355368A
FR355368A FR355368DA FR355368A FR 355368 A FR355368 A FR 355368A FR 355368D A FR355368D A FR 355368DA FR 355368 A FR355368 A FR 355368A
Authority
FR
France
Prior art keywords
haverer
double cutting
cutting peak
peak
double
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
French (fr)
Inventor
Georges Leichnam
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR355368A publication Critical patent/FR355368A/en
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)
FR355368D 1905-06-19 1905-06-19 Double cutting peak haverer Expired FR355368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR355368T 1905-06-19

Publications (1)

Publication Number Publication Date
FR355368A true FR355368A (en) 1905-10-30

Family

ID=1403407

Family Applications (1)

Application Number Title Priority Date Filing Date
FR355368D Expired FR355368A (en) 1905-06-19 1905-06-19 Double cutting peak haverer

Country Status (1)

Country Link
FR (1) FR355368A (en)

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