FR63263E - Fleuret pour forage rotatif - Google Patents

Fleuret pour forage rotatif

Info

Publication number
FR63263E
FR63263E FR63263DA FR63263E FR 63263 E FR63263 E FR 63263E FR 63263D A FR63263D A FR 63263DA FR 63263 E FR63263 E FR 63263E
Authority
FR
France
Prior art keywords
drill bit
rotary drilling
drilling
rotary
drill
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.)
WALLRAM HARTMETALLWERK und HAR
Original Assignee
WALLRAM HARTMETALLWERK und HAR
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 WALLRAM HARTMETALLWERK und HAR filed Critical WALLRAM HARTMETALLWERK und HAR
Application granted granted Critical
Publication of FR63263E publication Critical patent/FR63263E/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

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)
FR63263D 1952-08-27 1952-08-27 Fleuret pour forage rotatif Expired FR63263E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR63263T 1952-08-27

Publications (1)

Publication Number Publication Date
FR63263E true FR63263E (fr) 1955-09-12

Family

ID=8696536

Family Applications (1)

Application Number Title Priority Date Filing Date
FR63263D Expired FR63263E (fr) 1952-08-27 1952-08-27 Fleuret pour forage rotatif

Country Status (1)

Country Link
FR (1) FR63263E (fr)

Similar Documents

Publication Publication Date Title
FR1052974A (fr) Trépan pour appareils de forage des puits
CH306427A (fr) Fraiseuse-aléseuse universelle.
FR63263E (fr) Fleuret pour forage rotatif
FR56714E (fr) Fleuret pour forage rotatif
FR1065074A (fr) Mèche de forage
FR1086638A (fr) Trépan pour appareils de forage des puits
FR1028209A (fr) Trépan à couteaux coniques pour le forage des puits
FR1042438A (fr) Outil de forage
CA499809A (fr) Meche de tariere a lame pour dispositifs de sondage
FR1061444A (fr) Trépan de mine
AT178883B (de) Bohrgerüst
FR1136238A (fr) Outil pour le forage des puits
AT183293B (de) Ausbohrwerkzeug
ES26439Y (es) Poprtabrocas perfeccionado
FR1053400A (fr) Foret hélicoïdal pour le percement des roches
AU158036B2 (en) An improved bit for drilling holes
FR62749E (fr) Outil de forage
FR1060656A (fr) Semoir
FR1106292A (fr) Appareil de forage rotatif pour le charbon
AU157293B2 (en) Improved posthole borer
AU1507252A (en) An improved bit for drilling holes
AT179534B (de) Bohrwagen
FR1052802A (fr) Machine à affûter les forets
FR1014097A (fr) Outil de forage
FR1063066A (fr) Perfectionnements aux trépans de forage