BE839635A - IMPROVED MACHINE FOR REDUCING SHORT FRONTS IN MINES - Google Patents
IMPROVED MACHINE FOR REDUCING SHORT FRONTS IN MINESInfo
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—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 OR ROCK 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 OR ROCK 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Processing Of Solid Wastes (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
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)
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 |
-
1976
- 1976-03-17 BE BE2054885A patent/BE839635A/en not_active IP Right Cessation
-
1977
- 1977-03-03 DE DE19772709367 patent/DE2709367C2/en not_active Expired
- 1977-03-04 GB GB925777A patent/GB1574967A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2709367A1 (en) | 1977-09-22 |
DE2709367C2 (en) | 1982-12-30 |
GB1574967A (en) | 1980-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: GEBR. EICKHOFF MASCHINENFABRIK U. EISEN-GIESSERE Effective date: 19920331 |