GB1238477A - - Google Patents
Info
- Publication number
- GB1238477A GB1238477A GB1238477DA GB1238477A GB 1238477 A GB1238477 A GB 1238477A GB 1238477D A GB1238477D A GB 1238477DA GB 1238477 A GB1238477 A GB 1238477A
- Authority
- GB
- United Kingdom
- Prior art keywords
- guide means
- nov
- secured
- base
- spring elements
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Clamps And Clips (AREA)
- Pivots And Pivotal Connections (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19671583111 DE1583111A1 (de) | 1967-11-24 | 1967-11-24 | Anordnung zum Verlagern eines hydraulischen Grubenstempels an einer Sohlschiene oder-platte |
| DE19681608284 DE1608284C3 (de) | 1968-03-16 | 1968-03-16 | Vorrichtung zum Verlagern eines hydraulischen Grubenstempels auf einer Sohlschiene oder -platte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1238477A true GB1238477A (enrdf_load_stackoverflow) | 1971-07-07 |
Family
ID=25753245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1238477D Expired GB1238477A (enrdf_load_stackoverflow) | 1967-11-24 | 1968-11-22 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3576307A (enrdf_load_stackoverflow) |
| FR (1) | FR1592883A (enrdf_load_stackoverflow) |
| GB (1) | GB1238477A (enrdf_load_stackoverflow) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1130781B (de) * | 1961-03-23 | 1962-06-07 | Hoesch Bergbautechnik G M B H | Loesbare Halterung fuer Grubenstempel |
| DE1155411B (de) * | 1962-09-15 | 1963-10-10 | Hoesch Bergbautechnik G M B H | Stempelstuetze, insbesondere fuer Ausbaugespanne |
| DE1178813B (de) * | 1963-08-23 | 1964-10-01 | Hoesch Bergbautechnik G M B H | Elastische Aufhaengung zur Verbindung von Ausbaurahmen |
| DE1533748B1 (de) * | 1967-03-07 | 1969-09-18 | Kloeckner Werke Ag | Hydraulisches Ausbaugespann aus zwei wechselseitig schreitenden Rahmen,zwischen denen eine Fuehrung vorgesehen ist |
-
1968
- 1968-11-12 US US774858A patent/US3576307A/en not_active Expired - Lifetime
- 1968-11-22 FR FR1592883D patent/FR1592883A/fr not_active Expired
- 1968-11-22 GB GB1238477D patent/GB1238477A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3576307A (en) | 1971-04-27 |
| FR1592883A (enrdf_load_stackoverflow) | 1970-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1107379A (en) | Improvements in or relating to pivotally supported members particularly of mine roof supports | |
| GB1238477A (enrdf_load_stackoverflow) | ||
| GB1002784A (en) | Nuclear fuel assembly | |
| GB1017944A (en) | Floating structure | |
| GB1249898A (en) | Connector | |
| GB1368255A (enrdf_load_stackoverflow) | ||
| GB909275A (en) | End to end connection for bars, especially mine roof bars | |
| GB1178119A (en) | Temporary Extensible Cantilever for Mine Roof Supports | |
| Lipson | Engineering for reliability | |
| GB930995A (en) | A connecting device for mine roof support bars | |
| GB1150261A (en) | An Improved Mine Roof Support. | |
| GB1002038A (en) | Base plates for pit props | |
| FR1350M (fr) | Préparations améliorées a base de cobalamine. | |
| GB1236590A (en) | Improvements in or relating to mine roof supports | |
| GB1217566A (en) | Improvements in or relating to self-advancing underground roof supports | |
| KALINOVSKIY et al. | Soviet aerological studies | |
| বৰুৱা et al. | কন্নকী | |
| DRYDEN | Summary of the present technical position in space exploration, including brief discussion of specific projects | |
| MAZET | Determination of creep in structural bars under constant nonaxial loads | |
| GB1101948A (en) | Retaining mechanism for a ring display device | |
| GB1218113A (en) | Improvements to support piers for mines | |
| GB1113540A (en) | Improvements relating to adjustable props,struts and like supports | |
| CA605988A (en) | Anthraquinone dyestuffs | |
| ES325746A3 (es) | Mejoras introducidas en los dispositivos de enganche de paneles. | |
| GB1250371A (enrdf_load_stackoverflow) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |