FR407421A - Outil de forage découpeur de témoins - Google Patents

Outil de forage découpeur de témoins

Info

Publication number
FR407421A
FR407421A FR407421DA FR407421A FR 407421 A FR407421 A FR 407421A FR 407421D A FR407421D A FR 407421DA FR 407421 A FR407421 A FR 407421A
Authority
FR
France
Prior art keywords
witness
drilling tool
cutting drilling
cutting
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
Arnold Koepe
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR407421A publication Critical patent/FR407421A/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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/10—Formed core retaining or severing means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
FR407421D 1909-09-28 1909-09-28 Outil de forage découpeur de témoins Expired FR407421A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR407421T 1909-09-28

Publications (1)

Publication Number Publication Date
FR407421A true FR407421A (fr) 1910-02-28

Family

ID=1451726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR407421D Expired FR407421A (fr) 1909-09-28 1909-09-28 Outil de forage découpeur de témoins

Country Status (1)

Country Link
FR (1) FR407421A (fr)

Similar Documents

Publication Publication Date Title
FR473261A (fr) Outil à coupe rapide
FR407421A (fr) Outil de forage découpeur de témoins
FR387097A (fr) Outil de forage
CH35585A (de) Scherenartiges Schneidwerkzeug
FR379804A (fr) Outil tranchant en forme de cisaille
FR420016A (fr) Outil vilebrequin-scie
FR409518A (fr) Outil extracteur
CH45817A (de) Schneidwerkzeug mit Heft
CH45674A (de) Kombiniertes Werkzeug
CH34770A (fr) Outil de pionnier démontable
FR378656A (fr) Outil combiné pour travailler la terre
CH46737A (fr) Mèche à coutean réglable de position
FR402773A (fr) Outil pouvant servir de drille et de machine à percer
FR362762A (fr) Outil à fraiser
CA109229A (fr) Outil a forer
CH59815A (fr) Outil de forage
FR411448A (fr) Outil pneumatique
FR402798A (fr) Outil pneumatique
CA107250A (fr) Meche a terre
FR367900A (fr) Outil à combinaisons
FR365172A (fr) Outil de pionnier
FR448266A (fr) Outil à couper le bois
FR417254A (fr) Porte-outil perfectionné
FR366180A (fr) Outil de serrage
FR404782A (fr) Outil à machoires articulées