DE171042C - - Google Patents

Info

Publication number
DE171042C
DE171042C DENDAT171042D DE171042DA DE171042C DE 171042 C DE171042 C DE 171042C DE NDAT171042 D DENDAT171042 D DE NDAT171042D DE 171042D A DE171042D A DE 171042DA DE 171042 C DE171042 C DE 171042C
Authority
DE
Germany
Prior art keywords
cutting
tools
arms
disks
arm according
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
DENDAT171042D
Other languages
German (de)
English (en)
Publication of DE171042C publication Critical patent/DE171042C/de
Active legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C25/00Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/16Machines slitting solely by one or more rotating saws, cutting discs, or wheels
    • E21C25/18Saws; Discs; Wheels

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)
DENDAT171042D Active DE171042C (ru)

Publications (1)

Publication Number Publication Date
DE171042C true DE171042C (ru)

Family

ID=436039

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT171042D Active DE171042C (ru)

Country Status (1)

Country Link
DE (1) DE171042C (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531072A (en) * 1948-05-04 1950-11-21 Safeway Mining Machine Corp Apparatus for mining coal or similar mineral

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531072A (en) * 1948-05-04 1950-11-21 Safeway Mining Machine Corp Apparatus for mining coal or similar mineral

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