DE114752C - - Google Patents

Info

Publication number
DE114752C
DE114752C DENDAT114752D DE114752DA DE114752C DE 114752 C DE114752 C DE 114752C DE NDAT114752 D DENDAT114752 D DE NDAT114752D DE 114752D A DE114752D A DE 114752DA DE 114752 C DE114752 C DE 114752C
Authority
DE
Germany
Prior art keywords
teeth
drill
shaft
rock
shaft wall
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
DENDAT114752D
Other languages
German (de)
English (en)
Publication of DE114752C publication Critical patent/DE114752C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
    • E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
DENDAT114752D Active DE114752C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE114752C true DE114752C (enrdf_load_stackoverflow)

Family

ID=384228

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT114752D Active DE114752C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE114752C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE951353C (de) * 1952-03-08 1956-10-25 Deilmann Bergbau G M B H C Verfahren zur Herstellung von Grossbohrloechern und Vorrichtung zur Durchfuehrung des Verfahrens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE951353C (de) * 1952-03-08 1956-10-25 Deilmann Bergbau G M B H C Verfahren zur Herstellung von Grossbohrloechern und Vorrichtung zur Durchfuehrung des Verfahrens

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