[go: up one dir, main page]

FR802877A - Perforatrice pivotante à colonne, destinée notamment aux mines - Google Patents

Perforatrice pivotante à colonne, destinée notamment aux mines

Info

Publication number
FR802877A
FR802877A FR802877DA FR802877A FR 802877 A FR802877 A FR 802877A FR 802877D A FR802877D A FR 802877DA FR 802877 A FR802877 A FR 802877A
Authority
FR
France
Prior art keywords
mines
pivoting column
column punch
punch
pivoting
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.)
Siemens Schuckertwerke AG
Siemens Corp
Original Assignee
Siemens Schuckertwerke AG
Siemens Corp
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 Siemens Schuckertwerke AG, Siemens Corp filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR802877A publication Critical patent/FR802877A/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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/022—Top drives

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)
FR802877D 1935-06-29 1936-01-13 Perforatrice pivotante à colonne, destinée notamment aux mines Expired FR802877A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE802877X 1935-06-29

Publications (1)

Publication Number Publication Date
FR802877A true FR802877A (fr) 1936-09-17

Family

ID=6720097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802877D Expired FR802877A (fr) 1935-06-29 1936-01-13 Perforatrice pivotante à colonne, destinée notamment aux mines

Country Status (1)

Country Link
FR (1) FR802877A (fr)

Similar Documents

Publication Publication Date Title
FR831497A (fr) Perfectionnements aux projectiles perforants
FR826922A (fr) Perfectionnements aux projectiles perforants
FR802877A (fr) Perforatrice pivotante à colonne, destinée notamment aux mines
FR807100A (fr) Perfectionnements aux projectiles perforants
FR806543A (fr) Perforatrices de roche
FR840596A (fr) Perfectionnements aux projectiles perforants
AT151840B (de) Stoßheber.
CH182669A (de) Haushaltungspresse.
FR796993A (fr) Carrosserie à éclipse
DK52096C (da) Køreplanke til Trillebøre.
FR808241A (fr) Perfectionnements aux scies à montures extensibles
DK59801C (da) Staallegering.
DK59523C (da) Ikke-austenitisk Staallegering.
DK52867C (da) Værktøj.
DK52403C (da) Karabinhage til Kreaturtøjr.
DK52321C (da) Værktøj til Dækopskæring.
DK52442C (da) Retningsvisere til Cykler.
DK52630C (da) Stanseværktøj.
DK53794C (da) Skaft til Boneapparater.
ES4355Y (es) Escariador.
DK52877C (da) Renseapparat til Fyrriste.
FR814477A (fr) Perfectionnements aux machines à matricer
DK52042C (da) Holder til Retningsvisere.
ES4082Y (es) Taladrador de papeles.
ES3855Y (es) Taladrador de papeles.