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 |
---|---|
FR1592883A (enrdf_load_stackoverflow) | 1970-05-19 |
US3576307A (en) | 1971-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |