DE214452C - - Google Patents

Info

Publication number
DE214452C
DE214452C DENDAT214452D DE214452DA DE214452C DE 214452 C DE214452 C DE 214452C DE NDAT214452 D DENDAT214452 D DE NDAT214452D DE 214452D A DE214452D A DE 214452DA DE 214452 C DE214452 C DE 214452C
Authority
DE
Germany
Prior art keywords
movement
drill
column
swivel
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.)
Active
Application number
DENDAT214452D
Other languages
German (de)
English (en)
Publication of DE214452C publication Critical patent/DE214452C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/64—Slitting machines guided solely by hand and either carried by hand or mounted on supports

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)
  • Earth Drilling (AREA)
DENDAT214452D Active DE214452C (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
DE214452C true DE214452C (cg-RX-API-DMAC10.html)

Family

ID=476031

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT214452D Active DE214452C (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
DE (1) DE214452C (cg-RX-API-DMAC10.html)

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