CS166226B2 - - Google Patents
Info
- Publication number
- CS166226B2 CS166226B2 CS3105A CS310568A CS166226B2 CS 166226 B2 CS166226 B2 CS 166226B2 CS 3105 A CS3105 A CS 3105A CS 310568 A CS310568 A CS 310568A CS 166226 B2 CS166226 B2 CS 166226B2
- Authority
- CS
- Czechoslovakia
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
- E21D23/0418—Positioning devices and stabilizing means for the props
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)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Springs (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0049952 | 1967-04-28 | ||
| DEG0051828 | 1967-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS166226B2 true CS166226B2 (cs) | 1976-02-27 |
Family
ID=25978897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS3105A CS166226B2 (cs) | 1967-04-28 | 1968-04-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3530678A (cs) |
| AT (1) | AT280922B (cs) |
| CS (1) | CS166226B2 (cs) |
| FR (1) | FR1564265A (cs) |
| GB (1) | GB1226815A (cs) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB779791A (en) * | 1954-12-15 | 1957-07-24 | Dowty Mining Equipment Ltd | Improvements relating to end caps for pit-props |
| DE1792610U (de) * | 1956-01-27 | 1959-07-30 | Gewerk Eisenhuette Westfalia | Schreitender ausbau fuer bergmaennische gewinnungsbetriebe. |
| GB990413A (en) * | 1961-05-10 | 1965-04-28 | Dowty Mining Equipment Ltd | Roof supports suitable for use in mines |
| GB983079A (en) * | 1962-09-04 | 1965-02-10 | Dowty Mining Equipment Ltd | Roof support suitable for use in mines |
| DE1178813B (de) * | 1963-08-23 | 1964-10-01 | Hoesch Bergbautechnik G M B H | Elastische Aufhaengung zur Verbindung von Ausbaurahmen |
| GB1107379A (en) * | 1964-08-11 | 1968-03-27 | Gullick Ltd | Improvements in or relating to pivotally supported members particularly of mine roof supports |
| GB1090594A (en) * | 1964-09-24 | 1967-11-08 | Dowty Mining Equipment Ltd | Roof supports suitable for use in mines |
| GB1115763A (en) * | 1964-12-23 | 1968-05-29 | Gullick Ltd | Improvements in or relating to mine roof and like supports |
-
1968
- 1968-04-26 GB GB1226815D patent/GB1226815A/en not_active Expired
- 1968-04-26 CS CS3105A patent/CS166226B2/cs unknown
- 1968-04-29 FR FR1564265D patent/FR1564265A/fr not_active Expired
- 1968-04-29 AT AT417568A patent/AT280922B/de not_active IP Right Cessation
- 1968-04-29 US US724763A patent/US3530678A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1564265A (cs) | 1969-04-18 |
| GB1226815A (cs) | 1971-03-31 |
| AT280922B (de) | 1970-04-27 |
| US3530678A (en) | 1970-09-29 |