DE141316C - - Google Patents

Info

Publication number
DE141316C
DE141316C DENDAT141316D DE141316DA DE141316C DE 141316 C DE141316 C DE 141316C DE NDAT141316 D DENDAT141316 D DE NDAT141316D DE 141316D A DE141316D A DE 141316DA DE 141316 C DE141316 C DE 141316C
Authority
DE
Germany
Prior art keywords
rollers
barrier
stroke
crank
frame
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.)
Active
Application number
DENDAT141316D
Other languages
German (de)
English (en)
Publication of DE141316C publication Critical patent/DE141316C/de
Active 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
    • E21B1/00—Percussion drilling
    • E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
    • E21B1/04—Devices for reversing the movement of the rod or cable at the surface

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)
  • Earth Drilling (AREA)
DENDAT141316D Active DE141316C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE141316C true DE141316C (enrdf_load_html_response)

Family

ID=408943

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT141316D Active DE141316C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE141316C (enrdf_load_html_response)

Similar Documents

Publication Publication Date Title
DE141316C (enrdf_load_html_response)
DE2931958C2 (de) Seilzug
DE188117C (enrdf_load_html_response)
DE134927C (enrdf_load_html_response)
DE541C (de) Glättmaschine für Papier ohne Ende
AT10117B (de) Federnder Schlagbaum für Tiefbohrungen.
DE38540C (de) Fangvorrichtung für Fahrstühle mit Gegengewichtskette
DE124423C (enrdf_load_html_response)
DE54036C (de) Vorrichtung zum Anspannen und Ausgleichen der Längenänderung der Steuerseile von Aufzügen
DE225976C (enrdf_load_html_response)
DE38736C (de) Kreissägen-Schutzvorrichtung
DE109072C (enrdf_load_html_response)
DE148156C (enrdf_load_html_response)
DE98027C (enrdf_load_html_response)
DE1759042B2 (de) Erdbohrgerät
DE12120C (de) Neuerungen an Maschinen zum Ausheben und Fortschaffen von Erdmassen
DE264303C (enrdf_load_html_response)
DE282301C (enrdf_load_html_response)
DE566133C (de) Einseil-Schuerfkuebelbagger
DE174871C (enrdf_load_html_response)
DE93425C (enrdf_load_html_response)
DE99269C (enrdf_load_html_response)
DE109988C (enrdf_load_html_response)
DE465129C (de) Maschine zum Ausheben schmaler, steilwandiger Graeben mit vor dem Becherwerk arbeitendem Spaten
DE91382C (enrdf_load_html_response)