FR2039098A5 - - Google Patents
Info
- Publication number
- FR2039098A5 FR2039098A5 FR7010868A FR7010868A FR2039098A5 FR 2039098 A5 FR2039098 A5 FR 2039098A5 FR 7010868 A FR7010868 A FR 7010868A FR 7010868 A FR7010868 A FR 7010868A FR 2039098 A5 FR2039098 A5 FR 2039098A5
- Authority
- FR
- France
- 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
- 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
-
- 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)
- Vibration Prevention Devices (AREA)
- Tents Or Canopies (AREA)
- Joining Of Building Structures In Genera (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691917317 DE1917317C3 (de) | 1969-04-03 | Schreitendes Ausbauelement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2039098A5 true FR2039098A5 (enExample) | 1971-01-08 |
Family
ID=5730325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7010868A Expired FR2039098A5 (enExample) | 1969-04-03 | 1970-03-26 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3651652A (enExample) |
| FR (1) | FR2039098A5 (enExample) |
| GB (1) | GB1295165A (enExample) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE649949A (enExample) * | 1963-07-02 | |||
| DE1178813B (de) * | 1963-08-23 | 1964-10-01 | Hoesch Bergbautechnik G M B H | Elastische Aufhaengung zur Verbindung von Ausbaurahmen |
| GB1036663A (en) * | 1964-04-03 | 1966-07-20 | Gullick Ltd | Improvements in or relating to mine roof and like supports |
| DE1232908B (de) * | 1964-08-20 | 1967-01-26 | Hoesch Bergbautechnik G M B H | Ausbaugespann fuer den schreitenden Strebausbau |
| GB1124191A (en) * | 1965-01-15 | 1968-08-21 | Gullick Ltd | Improvements in or relating to mine roof supports |
| BE676290A (enExample) * | 1965-03-11 | 1966-06-16 |
-
1970
- 1970-03-24 US US22318A patent/US3651652A/en not_active Expired - Lifetime
- 1970-03-26 FR FR7010868A patent/FR2039098A5/fr not_active Expired
- 1970-03-26 GB GB1295165D patent/GB1295165A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3651652A (en) | 1972-03-28 |
| DE1917317A1 (de) | 1970-10-15 |
| DE1917317B2 (de) | 1977-03-03 |
| GB1295165A (enExample) | 1972-11-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |