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FR456816A - Haveuse mécanique - Google Patents

Haveuse mécanique

Info

Publication number
FR456816A
FR456816A FR456816DA FR456816A FR 456816 A FR456816 A FR 456816A FR 456816D A FR456816D A FR 456816DA FR 456816 A FR456816 A FR 456816A
Authority
FR
France
Prior art keywords
hacker
mechanical
mechanical hacker
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)
Inventor
August Scharf
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 FR456816A publication Critical patent/FR456816A/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
    • E21C25/16—Machines slitting solely by one or more rotating saws, cutting discs, or wheels

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)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Gear Transmission (AREA)
FR456816D 1912-04-22 1913-04-18 Haveuse mécanique Expired FR456816A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE257965T 1912-04-22

Publications (1)

Publication Number Publication Date
FR456816A true FR456816A (fr) 1913-09-05

Family

ID=32604561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR456816D Expired FR456816A (fr) 1912-04-22 1913-04-18 Haveuse mécanique

Country Status (3)

Country Link
DE (1) DE257965C (fr)
FR (1) FR456816A (fr)
GB (1) GB191309448A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1006435A (fr) * 1948-01-14 1952-04-23 Foreuse

Also Published As

Publication number Publication date
GB191309448A (en) 1913-10-09
DE257965C (fr)

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