FR1595690A - - Google Patents

Info

Publication number
FR1595690A
FR1595690A FR1595690DA FR1595690A FR 1595690 A FR1595690 A FR 1595690A FR 1595690D A FR1595690D A FR 1595690DA FR 1595690 A FR1595690 A FR 1595690A
Authority
FR
France
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)
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 FR1595690A publication Critical patent/FR1595690A/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
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22—Rods or pipes with helical structure

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)
FR1595690D 1968-11-12 1968-11-12 Expired FR1595690A (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR173347 1968-11-12

Publications (1)

Publication Number Publication Date
FR1595690A true FR1595690A (cs) 1970-06-15

Family

ID=8656727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1595690D Expired FR1595690A (cs) 1968-11-12 1968-11-12

Country Status (1)

Country Link
FR (1) FR1595690A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009838A1 (fr) * 1978-09-28 1980-04-16 Ph. GUEX & FILS S.A. Foret à pierre pour perceuse-frappeuse ou marteau électrique
FR2480847A1 (fr) * 1980-04-16 1981-10-23 Hilti Ag Foret a roche
EP1050662A2 (de) * 1997-12-04 2000-11-08 Hawera Probst GmbH Gesteinsbohrwerkzeug

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009838A1 (fr) * 1978-09-28 1980-04-16 Ph. GUEX & FILS S.A. Foret à pierre pour perceuse-frappeuse ou marteau électrique
FR2437921A1 (fr) * 1978-09-28 1980-04-30 Guex & Fils Sa Ph Foret a pierre pour perceuse-frappeuse ou marteau electrique
FR2480847A1 (fr) * 1980-04-16 1981-10-23 Hilti Ag Foret a roche
EP1050662A2 (de) * 1997-12-04 2000-11-08 Hawera Probst GmbH Gesteinsbohrwerkzeug
EP1050662A3 (de) * 1997-12-04 2001-08-22 Hawera Probst GmbH Gesteinsbohrwerkzeug
US6427789B1 (en) 1997-12-04 2002-08-06 Hawera Probst Gmbh Rock drilling tool with improved conveying

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Legal Events

Date Code Title Description
ST Notification of lapse