FR2040783A5 - - Google Patents
Info
- Publication number
- FR2040783A5 FR2040783A5 FR6911369A FR6911369A FR2040783A5 FR 2040783 A5 FR2040783 A5 FR 2040783A5 FR 6911369 A FR6911369 A FR 6911369A FR 6911369 A FR6911369 A FR 6911369A FR 2040783 A5 FR2040783 A5 FR 2040783A5
- 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
- E21D23/0409—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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6911369A FR2040783A5 (de) | 1969-04-18 | 1969-04-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6911369A FR2040783A5 (de) | 1969-04-18 | 1969-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2040783A5 true FR2040783A5 (de) | 1971-01-22 |
Family
ID=9032304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6911369A Expired FR2040783A5 (de) | 1969-04-18 | 1969-04-18 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2040783A5 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2601001A1 (de) * | 1976-01-13 | 1977-07-14 | Johannes Winkler | Rueckbarer strebausbau mit fuehrungsvorrichtung insbesondere fuer geneigte lagerung |
-
1969
- 1969-04-18 FR FR6911369A patent/FR2040783A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2601001A1 (de) * | 1976-01-13 | 1977-07-14 | Johannes Winkler | Rueckbarer strebausbau mit fuehrungsvorrichtung insbesondere fuer geneigte lagerung |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |