BE643537A - - Google Patents
Info
- Publication number
- BE643537A BE643537A BE643537DA BE643537A BE 643537 A BE643537 A BE 643537A BE 643537D A BE643537D A BE 643537DA BE 643537 A BE643537 A BE 643537A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
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)
- Harvester Elements (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB70667A DE1257719B (de) | 1963-02-09 | 1963-02-09 | Verfahren zum wandernden Ausbau von Abbaustreben |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE643537A true BE643537A (US06521211-20030218-C00004.png) | 1964-05-29 |
Family
ID=6976745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE643537D BE643537A (US06521211-20030218-C00004.png) | 1963-02-09 | 1964-02-07 |
Country Status (5)
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1070316A (fr) * | 1952-02-05 | 1954-07-22 | Coal Industry Patents Ltd | Support de toit pour mines |
| US2694293A (en) * | 1953-05-08 | 1954-11-16 | Hydrauliques Pour L Ind Minier | Propping device for roofs of mine levels |
| DE1037990B (de) * | 1955-07-04 | 1958-09-04 | Becorit Grubenausbau Gmbh | Wandernder Strebausbau |
| DE1088904B (de) * | 1957-08-10 | 1960-09-15 | Gewerk Eisenhuette Westfalia | Hydraulischer Ausbau fuer bergmaennische Gewinnungsbetriebe |
| GB883407A (en) * | 1959-06-06 | 1961-11-29 | Rheinstahl Gmbh Wanheim | Improvements in mine roof support assemblies |
| FR1278986A (fr) * | 1961-01-31 | 1961-12-15 | Hemscheidt Maschf Hermann | Soutènement hydraulique pour gisement en dressant avec déhouillement flottant |
| FR1287138A (fr) * | 1961-04-20 | 1962-03-09 | Gutehoffnungshuette Sterkrade | Soutènement déplaçable pour galeries de mines |
| DE1127299B (de) * | 1961-09-06 | 1962-04-12 | Gewerk Eisenhuette Westfalia | Schreitendes hydraulisches Ausbaugestell fuer bergmaennische Gewinnungsbetriebe |
-
1963
- 1963-02-09 DE DEB70667A patent/DE1257719B/de active Pending
- 1963-05-07 AT AT371163A patent/AT241392B/de active
-
1964
- 1964-01-28 GB GB3578/64A patent/GB1035112A/en not_active Expired
- 1964-02-04 US US342870A patent/US3313114A/en not_active Expired - Lifetime
- 1964-02-07 BE BE643537D patent/BE643537A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1035112A (en) | 1966-07-06 |
| US3313114A (en) | 1967-04-11 |
| AT241392B (de) | 1965-07-26 |
| DE1257719B (de) | 1968-01-04 |
