DE235146C - - Google Patents

Info

Publication number
DE235146C
DE235146C DENDAT235146D DE235146DA DE235146C DE 235146 C DE235146 C DE 235146C DE NDAT235146 D DENDAT235146 D DE NDAT235146D DE 235146D A DE235146D A DE 235146DA DE 235146 C DE235146 C DE 235146C
Authority
DE
Germany
Prior art keywords
drill head
chisels
drill
rock
tunnel boring
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
DENDAT235146D
Other languages
German (de)
English (en)
Publication of DE235146C publication Critical patent/DE235146C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
DENDAT235146D Active DE235146C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE235146C true DE235146C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=494952

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT235146D Active DE235146C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE235146C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066156A1 (en) * 1981-05-20 1982-12-08 Oy Tampella Ab Method for cutting a tunnel in rock by means of a rock drilling machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066156A1 (en) * 1981-05-20 1982-12-08 Oy Tampella Ab Method for cutting a tunnel in rock by means of a rock drilling machine

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