BE711767A - - Google Patents
Info
- Publication number
- BE711767A BE711767A BE711767DA BE711767A BE 711767 A BE711767 A BE 711767A BE 711767D A BE711767D A BE 711767DA BE 711767 A BE711767 A BE 711767A
- 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
- E21D23/04—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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Tents Or Canopies (AREA)
- Transmission Devices (AREA)
- Rehabilitation Tools (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK0061621 | 1967-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE711767A true BE711767A (en) | 1968-07-15 |
Family
ID=7230177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE711767D BE711767A (en) | 1967-03-07 | 1968-03-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3468510A (en) |
| BE (1) | BE711767A (en) |
| DE (1) | DE1533748B1 (en) |
| FR (1) | FR1556616A (en) |
| GB (1) | GB1213857A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3576307A (en) * | 1967-11-24 | 1971-04-27 | Gunter Bell | Hydraulic pit prop mounting in a roof support system |
| DE2164365C3 (en) * | 1971-12-23 | 1984-03-15 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Retractable shield extension unit |
| DE2307954C3 (en) * | 1973-02-17 | 1985-10-03 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | Shield support frame |
| US3970200A (en) * | 1975-01-16 | 1976-07-20 | George Hyman Construction Co. | Gantry |
| CN102352760B (en) * | 2011-11-04 | 2012-08-29 | 兖矿集团有限公司 | Increasing and decreasing hydraulic support for mechanized mining working face of thin coal seam |
| CN104018859B (en) * | 2014-05-12 | 2016-03-23 | 山东能源重装集团鲁南装备制造有限公司 | Jack fixed mechanism is adjusted at the bottom of Bracket in Thin Coal Seam |
| CN112302698B (en) * | 2020-10-28 | 2022-08-12 | 贵州理工学院 | Folding hydraulic tunnel supporting device convenient to carry |
| CN113006838B (en) * | 2021-03-02 | 2023-06-16 | 山东同顺矿山设备有限责任公司 | Mining hydraulic support base fixing device |
| CN114320394B (en) * | 2021-12-02 | 2023-11-21 | 济宁学院 | Tunnel scour protection resistance to compression strutting arrangement based on deep strong dynamic load |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1130780B (en) * | 1960-02-08 | 1962-06-07 | Gewerk Eisenhuette Westfalia | Moving hydraulic support frame for underground mining operations |
| DE1156037B (en) * | 1961-03-24 | 1963-10-24 | Gewerk Eisenhuette Westfalia | Self-relocating support frame for mining operations |
| FR1319372A (en) * | 1962-01-17 | 1963-03-01 | Lorraine Anciens Ets Dietrich | Walking pile for mine support |
| DE1161834B (en) * | 1962-06-14 | 1964-01-30 | Gewerk Eisenhuette Westfalia | Self-relocating support frame for mining operations |
| DE1211572B (en) * | 1963-09-02 | 1966-03-03 | Gewerk Eisenhuette Westfalia | Migrating hydraulic support frame |
| DE1197837B (en) * | 1963-12-02 | 1965-08-05 | Stamicarbon | Progressive longwall mining |
| FR1386999A (en) * | 1964-04-06 | 1965-01-22 | Progressive support for a mine tunnel or the like | |
| FR1407922A (en) * | 1964-08-20 | 1965-08-06 | Gewerk Eisenhuette Westfalia | Hydraulic feed support frame |
| FR1420456A (en) * | 1964-10-21 | 1965-12-10 | Electro Hydraulics Ltd | Improvements made to mine roof supports |
| US3490580A (en) * | 1968-07-29 | 1970-01-20 | Robert C Brumfield | Containers and process for asepsis |
-
1967
- 1967-03-07 DE DE19671533748 patent/DE1533748B1/en active Pending
-
1968
- 1968-02-28 US US708842A patent/US3468510A/en not_active Expired - Lifetime
- 1968-03-04 FR FR1556616D patent/FR1556616A/fr not_active Expired
- 1968-03-06 GB GB00840/68A patent/GB1213857A/en not_active Expired
- 1968-03-06 BE BE711767D patent/BE711767A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1556616A (en) | 1969-02-07 |
| GB1213857A (en) | 1970-11-25 |
| DE1533748B1 (en) | 1969-09-18 |
| US3468510A (en) | 1969-09-23 |