FR378024A - Foret en acier pour perforatrices à air comprimé - Google Patents

Foret en acier pour perforatrices à air comprimé

Info

Publication number
FR378024A
FR378024A FR378024DA FR378024A FR 378024 A FR378024 A FR 378024A FR 378024D A FR378024D A FR 378024DA FR 378024 A FR378024 A FR 378024A
Authority
FR
France
Prior art keywords
punches
compressed air
drill bit
steel drill
steel
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
Heinrich Lind
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 FR378024A publication Critical patent/FR378024A/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
    • 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)
FR378024D 1906-05-29 1907-05-22 Foret en acier pour perforatrices à air comprimé Expired FR378024A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE378024X 1906-05-29

Publications (1)

Publication Number Publication Date
FR378024A true FR378024A (fr) 1907-09-21

Family

ID=1424404

Family Applications (1)

Application Number Title Priority Date Filing Date
FR378024D Expired FR378024A (fr) 1906-05-29 1907-05-22 Foret en acier pour perforatrices à air comprimé

Country Status (1)

Country Link
FR (1) FR378024A (fr)

Similar Documents

Publication Publication Date Title
FR378024A (fr) Foret en acier pour perforatrices à air comprimé
FR373617A (fr) Mandrin pour mèche à forer
FR368590A (fr) Outil à haver
FR367900A (fr) Outil à combinaisons
FR368060A (fr) Foreuse à percussion
FR357403A (fr) Fleuret double excentré pour forages
FR362762A (fr) Outil à fraiser
FR384730A (fr) Outil pneumatique
FR365119A (fr) Outil pneumatique
FR365553A (fr) Perfectionnements apportés aux perforatrices à percussion
FR370128A (fr) Perforatrice percutante, pneumatique, à avancement automatique
FR363644A (fr) Porte-foret pour machines à percer
FR368147A (fr) Outil à fileter
CA99079A (fr) Marteau a foret
CA100009A (fr) Foret
CA106970A (fr) Foret percuteur
FR379956A (fr) Perfectionnements apportés aux perforatrices électro-pneumatiques à percussion
CH33376A (fr) Outil à main, pour clouer
FR361136A (fr) Mèche à trois pointes
CA96212A (fr) Meche
CH37492A (fr) Perforatrice à percussion
FR354945A (fr) Foreuse à air comprimé
CA96986A (fr) Appareil pour elargir les trous de foret
FR381277A (fr) Perfectionnements apportés aux percoirs à charnières pour brodeuses
CH38374A (fr) Outil à main pour percer, tarauder, équarrir, fraiser, etc.