FR970089A - Nouveau fleuret de perforatrice - Google Patents

Nouveau fleuret de perforatrice

Info

Publication number
FR970089A
FR970089A FR970089DA FR970089A FR 970089 A FR970089 A FR 970089A FR 970089D A FR970089D A FR 970089DA FR 970089 A FR970089 A FR 970089A
Authority
FR
France
Prior art keywords
new punch
foil
punch foil
new
punch
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR970089A publication Critical patent/FR970089A/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts

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)
FR970089D 1948-08-09 1948-08-09 Nouveau fleuret de perforatrice Expired FR970089A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR970089T 1948-08-09

Publications (1)

Publication Number Publication Date
FR970089A true FR970089A (fr) 1950-12-29

Family

ID=9503041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970089D Expired FR970089A (fr) 1948-08-09 1948-08-09 Nouveau fleuret de perforatrice

Country Status (1)

Country Link
FR (1) FR970089A (fr)

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