FR356051A - Fer de mine rotatif - Google Patents

Fer de mine rotatif

Info

Publication number
FR356051A
FR356051A FR356051DA FR356051A FR 356051 A FR356051 A FR 356051A FR 356051D A FR356051D A FR 356051DA FR 356051 A FR356051 A FR 356051A
Authority
FR
France
Prior art keywords
mine iron
rotary mine
rotary
iron
mine
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
Johann Fischer
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 FR356051A publication Critical patent/FR356051A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR356051D 1905-07-11 1905-07-11 Fer de mine rotatif Expired FR356051A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR356051T 1905-07-11

Publications (1)

Publication Number Publication Date
FR356051A true FR356051A (fr) 1905-11-20

Family

ID=1404042

Family Applications (1)

Application Number Title Priority Date Filing Date
FR356051D Expired FR356051A (fr) 1905-07-11 1905-07-11 Fer de mine rotatif

Country Status (1)

Country Link
FR (1) FR356051A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361189A1 (fr) * 1988-09-12 1990-04-04 Narex Praha, Statni Podnik Outil de forage avec tige hélicoidale

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361189A1 (fr) * 1988-09-12 1990-04-04 Narex Praha, Statni Podnik Outil de forage avec tige hélicoidale

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