BE657425A - - Google Patents
Info
- Publication number
- BE657425A BE657425A BE657425DA BE657425A BE 657425 A BE657425 A BE 657425A BE 657425D A BE657425D A BE 657425DA BE 657425 A BE657425 A BE 657425A
- 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
-
- 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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Framework For Endless Conveyors (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Chain Conveyers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG39458A DE1236451B (en) | 1963-12-21 | 1963-12-21 | Guide element that can be used between two adjacent expansion units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE657425A true BE657425A (en) | 1965-06-21 |
Family
ID=7126152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE657425D BE657425A (en) | 1963-12-21 | 1964-12-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3362169A (en) |
| BE (1) | BE657425A (en) |
| DE (1) | DE1236451B (en) |
| ES (1) | ES307315A1 (en) |
| GB (1) | GB1091312A (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3435620A (en) * | 1965-09-20 | 1969-04-01 | Gewerk Eisenhuette Westfalia | Walking mine roof support |
| GB1223284A (en) * | 1967-07-19 | 1971-02-24 | Kloeckner Werke Ag | A hydraulic roof support system for longwall faces |
| GB1206283A (en) * | 1967-07-28 | 1970-09-23 | Herbert Cotterill Ltd | Improvements in or relating to mine roof supports |
| BE727824A (en) * | 1968-03-12 | 1969-07-16 | ||
| US3536433A (en) * | 1968-03-12 | 1970-10-27 | Ingbuero Konrad Grebe | Traveling prop system for a mine working face having a steep,or semi-steep,or flat orientation |
| GB1289299A (en) * | 1968-11-02 | 1972-09-13 | ||
| DE2128023B2 (en) * | 1971-06-05 | 1974-04-18 | Kloeckner-Werke Ag, 4100 Duisburg | Migrating longwall construction with side-by-side support shields |
| DE2917047A1 (en) * | 1978-01-28 | 1980-11-06 | Gewerk Eisenhuette Westfalia | DEVICE FOR THE FINAL SUPPORT OF AN SCREW EXTENSION IN SLOPED AND STEEP POSITION |
| US4679856A (en) * | 1983-09-21 | 1987-07-14 | Klockner-Becorit Gmbh | Mine self-advancing roof support and method of relocating a mine winning face equipped with self-advancing roof support |
| DE3544349A1 (en) * | 1985-12-14 | 1987-06-19 | Gewerk Eisenhuette Westfalia | Hydraulic directional support for self-advancing support assemblies |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB784217A (en) * | 1954-01-13 | 1957-10-09 | Coal Industry Patents Ltd | Improvements in or relating to means for setting pit props |
| DE1132521B (en) * | 1954-02-12 | 1962-07-05 | Hans Joachim Von Hippel Dr Ing | Device for backing off moving expansion elements |
| DE1086649B (en) * | 1956-03-27 | 1960-08-11 | Bergwerksverband Ges Mit Besch | Longwall mining for steep storage |
| DE1076601B (en) * | 1957-08-29 | 1960-03-03 | Hemscheidt Maschf Hermann | Safety device against slipping of extension frames to be moved in collapsing struts |
| US2922283A (en) * | 1958-05-19 | 1960-01-26 | Fred S Porter | Excavation shoring devices |
| GB883407A (en) * | 1959-06-06 | 1961-11-29 | Rheinstahl Gmbh Wanheim | Improvements in mine roof support assemblies |
| GB930838A (en) * | 1960-08-31 | 1963-07-10 | Gullick Ltd | Improvements in or relating to roof supports for mines and the like |
| FR1298692A (en) * | 1961-08-25 | 1962-07-13 | Gullick Ltd | Improvements to roof supports, in mines and similar installations |
| FR1316634A (en) * | 1961-12-20 | 1963-02-01 | Improvements to mobile supports in mines | |
| FR1313514A (en) * | 1962-02-02 | 1962-12-28 | Schwarz Kg Hermann | Articulated support frame for mobile support, usable in particular in mines |
| FR1325840A (en) * | 1962-03-23 | 1963-05-03 | Charbonnages De France | Device for controlling the movements of a mobile object provided with its own means of locomotion according to its position relative to another mobile object whose movements it must follow, applicable more particularly to walking supports in mines |
| FR1340014A (en) * | 1962-11-29 | 1963-10-11 | Gewerk Eisenhuette Westfalia | Mobile hydraulic support for mining operations |
-
1963
- 1963-12-21 DE DEG39458A patent/DE1236451B/en active Pending
-
1964
- 1964-12-19 ES ES0307315A patent/ES307315A1/en not_active Expired
- 1964-12-21 GB GB51783/64A patent/GB1091312A/en not_active Expired
- 1964-12-21 US US419647A patent/US3362169A/en not_active Expired - Lifetime
- 1964-12-21 BE BE657425D patent/BE657425A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1236451B (en) | 1967-03-16 |
| GB1091312A (en) | 1967-11-15 |
| ES307315A1 (en) | 1965-06-16 |
| US3362169A (en) | 1968-01-09 |