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

    • 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
    • E21C25/54—Slitting by unguided cutter cables or cutter chains, or by unguided tools drawn along the working face by cables or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
    • E21C27/34—Machine propelled along the working face by cable or chain
    • E21C27/35—Ram-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 (ja)

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 (ja) 1964-09-02

Family

ID=7125587

Family Applications (1)

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

Country Status (2)

Country Link
BE (1) BE644563A (ja)
DE (1) DE1209078B (ja)

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

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