FR984597A - Outil perfectionné pour perforatrice - Google Patents

Outil perfectionné pour perforatrice

Info

Publication number
FR984597A
FR984597A FR984597DA FR984597A FR 984597 A FR984597 A FR 984597A FR 984597D A FR984597D A FR 984597DA FR 984597 A FR984597 A FR 984597A
Authority
FR
France
Prior art keywords
hole punch
punch tool
advanced hole
advanced
tool
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
Leon Couteau
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 filed Critical
Application granted granted Critical
Publication of FR984597A publication Critical patent/FR984597A/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
    • E21B10/56—Button-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)
FR984597D 1949-02-14 1949-02-14 Outil perfectionné pour perforatrice Expired FR984597A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR984597T 1949-02-14

Publications (1)

Publication Number Publication Date
FR984597A true FR984597A (fr) 1951-07-09

Family

ID=9536854

Family Applications (1)

Application Number Title Priority Date Filing Date
FR984597D Expired FR984597A (fr) 1949-02-14 1949-02-14 Outil perfectionné pour perforatrice

Country Status (1)

Country Link
FR (1) FR984597A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185228A (en) * 1963-01-21 1965-05-25 Hughes Tool Co Rotary-percussion drill bit with heel row inserts to prevent wedging
US3581835A (en) * 1969-05-08 1971-06-01 Frank E Stebley Insert for drill bit and manufacture thereof
DE2029978A1 (de) * 1970-06-18 1971-12-23 Gewerkschaft Eisenhütte Westfalia, 4628 Wethmar Hobel- oder Schrämmeißel mit einem eingelöteten Hartmetallstift
US4451093A (en) * 1980-12-10 1984-05-29 Robert Perez Tool for scarifying concrete

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185228A (en) * 1963-01-21 1965-05-25 Hughes Tool Co Rotary-percussion drill bit with heel row inserts to prevent wedging
US3581835A (en) * 1969-05-08 1971-06-01 Frank E Stebley Insert for drill bit and manufacture thereof
DE2029978A1 (de) * 1970-06-18 1971-12-23 Gewerkschaft Eisenhütte Westfalia, 4628 Wethmar Hobel- oder Schrämmeißel mit einem eingelöteten Hartmetallstift
US4451093A (en) * 1980-12-10 1984-05-29 Robert Perez Tool for scarifying concrete

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