BE644563A - - Google Patents

Info

Publication number
BE644563A
BE644563A BE644563DA BE644563A BE 644563 A BE644563 A BE 644563A BE 644563D A BE644563D A BE 644563DA BE 644563 A BE644563 A BE 644563A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE644563A publication Critical patent/BE644563A/xx

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
    • E21C25/54Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C27/00Machines which completely free the mineral from the seam
    • E21C27/20Mineral freed by means not involving slitting
    • E21C27/32Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/34Machine propelled along the working face by cable or chain
    • E21C27/35Ram-ploughs

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)
  • Sawing (AREA)
BE644563D 1963-03-08 1964-03-02 BE644563A (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG37232A DE1209078B (de) 1963-03-08 1963-03-08 Einrichtung zur Bohrlocherweiterung fuer die Vorrichtung von Rammstreben

Publications (1)

Publication Number Publication Date
BE644563A true BE644563A (en]) 1964-09-02

Family

ID=7125587

Family Applications (1)

Application Number Title Priority Date Filing Date
BE644563D BE644563A (en]) 1963-03-08 1964-03-02

Country Status (2)

Country Link
BE (1) BE644563A (en])
DE (1) DE1209078B (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE963595C (de) * 1950-06-05 1957-05-09 Houilleres Bassin Du Nord Mittels Seil oder Kette durch ein Bohrloch hindurchziehbares Werkzeug zur stufenweisen Erweiterung

Also Published As

Publication number Publication date
DE1209078B (de) 1966-01-20

Similar Documents

Publication Publication Date Title
AR142945A1 (en])
AT260747B (en])
BE627012A (en])
BE643741A (en])
BE31062A (en])
BE462764A (en])
BE465565A (en])
BE507458A (en])
BE533484A (en])
BE547422A (en])
BE571209A (en])
BE627025A (en])
BE603935A (en])
BE608372A (en])
BE612803A (en])
BE614220A (en])
BE616247A (en])
BE616830A (en])
BE616967A (en])
BE619061A (en])
BE620325A (en])
BE621232A (en])
BE621517A (en])
BE622160A (en])
BE623220A (en])