FR979107A - Refinements to foils for mining - Google Patents

Refinements to foils for mining

Info

Publication number
FR979107A
FR979107A FR979107DA FR979107A FR 979107 A FR979107 A FR 979107A FR 979107D A FR979107D A FR 979107DA FR 979107 A FR979107 A FR 979107A
Authority
FR
France
Prior art keywords
refinements
foils
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
Other languages
French (fr)
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.)
OUTIMINES
Original Assignee
OUTIMINES
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 OUTIMINES filed Critical OUTIMINES
Application granted granted Critical
Publication of FR979107A publication Critical patent/FR979107A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits

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)
FR979107D 1948-11-27 1948-11-27 Refinements to foils for mining Expired FR979107A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR979107T 1948-11-27

Publications (1)

Publication Number Publication Date
FR979107A true FR979107A (en) 1951-04-23

Family

ID=9520946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR979107D Expired FR979107A (en) 1948-11-27 1948-11-27 Refinements to foils for mining

Country Status (1)

Country Link
FR (1) FR979107A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838286A (en) * 1956-04-19 1958-06-10 Christensen Diamond Prod Co Rotary drill bit
US2838284A (en) * 1956-04-19 1958-06-10 Christensen Diamond Prod Co Rotary drill bit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838286A (en) * 1956-04-19 1958-06-10 Christensen Diamond Prod Co Rotary drill bit
US2838284A (en) * 1956-04-19 1958-06-10 Christensen Diamond Prod Co Rotary drill bit

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