FR1114796A - Fleurets perfectionés pour perforatrice - Google Patents

Fleurets perfectionés pour perforatrice

Info

Publication number
FR1114796A
FR1114796A FR1114796DA FR1114796A FR 1114796 A FR1114796 A FR 1114796A FR 1114796D A FR1114796D A FR 1114796DA FR 1114796 A FR1114796 A FR 1114796A
Authority
FR
France
Prior art keywords
perforated hole
hole punches
punches
perforated
hole
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.)
LAZALLOYS Ltd
Original Assignee
LAZALLOYS Ltd
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 LAZALLOYS Ltd filed Critical LAZALLOYS Ltd
Application granted granted Critical
Publication of FR1114796A publication Critical patent/FR1114796A/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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
    • E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
    • 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)
FR1114796D 1954-12-06 1954-12-06 Fleurets perfectionés pour perforatrice Expired FR1114796A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1114796T 1954-12-06

Publications (1)

Publication Number Publication Date
FR1114796A true FR1114796A (fr) 1956-04-17

Family

ID=9628538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1114796D Expired FR1114796A (fr) 1954-12-06 1954-12-06 Fleurets perfectionés pour perforatrice

Country Status (1)

Country Link
FR (1) FR1114796A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0233737A2 (fr) * 1986-02-18 1987-08-26 Reed Tool Company Limited Moyens de montage pour éléments de coupe dans un trépan rotatif du type racleur
FR2629514A1 (fr) * 1988-04-04 1989-10-06 Vermont American Corp Lame de trepan pour realiser un forage dans la maconnerie et la roche

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0233737A2 (fr) * 1986-02-18 1987-08-26 Reed Tool Company Limited Moyens de montage pour éléments de coupe dans un trépan rotatif du type racleur
EP0233737A3 (fr) * 1986-02-18 1989-01-25 Reed Tool Company Limited Moyens de montage pour éléments de coupe dans un trépan rotatif du type racleur
FR2629514A1 (fr) * 1988-04-04 1989-10-06 Vermont American Corp Lame de trepan pour realiser un forage dans la maconnerie et la roche

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