BE839635A - IMPROVED MACHINE FOR REDUCING SHORT FRONTS IN MINES - Google Patents

IMPROVED MACHINE FOR REDUCING SHORT FRONTS IN MINES

Info

Publication number
BE839635A
BE839635A BE2054885A BE2054885A BE839635A BE 839635 A BE839635 A BE 839635A BE 2054885 A BE2054885 A BE 2054885A BE 2054885 A BE2054885 A BE 2054885A BE 839635 A BE839635 A BE 839635A
Authority
BE
Belgium
Prior art keywords
mines
improved machine
reducing short
fronts
short fronts
Prior art date
Application number
BE2054885A
Other languages
Dutch (nl)
Inventor
G Zoni
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
Priority to BE2054885A priority Critical patent/BE839635A/en
Publication of BE839635A publication Critical patent/BE839635A/en
Priority to DE19772709367 priority patent/DE2709367C2/en
Priority to GB925777A priority patent/GB1574967A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
    • E21D9/1033—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a transversely extending boom being pivotable about a longitudinal axis
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • E21C25/08—Mountings for the rods or drums
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
    • E21C31/04—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices imparting both a rotary and reciprocating motion
BE2054885A 1976-03-17 1976-03-17 IMPROVED MACHINE FOR REDUCING SHORT FRONTS IN MINES BE839635A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE2054885A BE839635A (en) 1976-03-17 1976-03-17 IMPROVED MACHINE FOR REDUCING SHORT FRONTS IN MINES
DE19772709367 DE2709367C2 (en) 1976-03-17 1977-03-03 Short front mining machine for mine work
GB925777A GB1574967A (en) 1976-03-17 1977-03-04 Machine for cutting short working faces in mine galleries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2054885A BE839635A (en) 1976-03-17 1976-03-17 IMPROVED MACHINE FOR REDUCING SHORT FRONTS IN MINES

Publications (1)

Publication Number Publication Date
BE839635A true BE839635A (en) 1976-07-16

Family

ID=3865325

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2054885A BE839635A (en) 1976-03-17 1976-03-17 IMPROVED MACHINE FOR REDUCING SHORT FRONTS IN MINES

Country Status (3)

Country Link
BE (1) BE839635A (en)
DE (1) DE2709367C2 (en)
GB (1) GB1574967A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE875547A (en) * 1979-04-13 1979-10-15 Legrand M G J MACHINE FOR DISMANTLING STONES IN UNDERGROUND WORKS
GB2125857B (en) * 1982-07-28 1985-08-14 Maintel Pty Limited Excavatory machine for use in coal and other mining operations
ZA842236B (en) * 1983-05-10 1984-11-28 Atlas Copco Ab Machine for boring non-circular tunnels

Also Published As

Publication number Publication date
DE2709367C2 (en) 1982-12-30
GB1574967A (en) 1980-09-17
DE2709367A1 (en) 1977-09-22

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEBR. EICKHOFF MASCHINENFABRIK U. EISEN-GIESSERE

Effective date: 19920331