FR2022585A1 - - Google Patents
Info
- Publication number
- FR2022585A1 FR2022585A1 FR6937132A FR6937132A FR2022585A1 FR 2022585 A1 FR2022585 A1 FR 2022585A1 FR 6937132 A FR6937132 A FR 6937132A FR 6937132 A FR6937132 A FR 6937132A FR 2022585 A1 FR2022585 A1 FR 2022585A1
- 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.)
- Withdrawn
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
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
-
- 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
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0095—Temporary supports at the driving front
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5229168 | 1968-11-05 | ||
GB327669 | 1969-01-21 | ||
GB4242469 | 1969-08-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2022585A1 true FR2022585A1 (en) | 1970-07-31 |
Family
ID=27254235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6937132A Withdrawn FR2022585A1 (en) | 1968-11-05 | 1969-10-29 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2022585A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2415720A1 (en) * | 1978-01-27 | 1979-08-24 | Stephanois Constr Meca | Mine gallery roof support - has three relatively movable portal frames, with hydraulically-operated shoes supportable against caps |
FR2420645A1 (en) * | 1978-03-24 | 1979-10-19 | Ts Osrodek P Kon | WALKING SUPPORT FOR MINING GALLERIES |
FR2426799A1 (en) * | 1978-05-24 | 1979-12-21 | Stafford Frank | MOBILE SUPPORT KIT FOR MINE ROOF CONTAINING TWO ROWS OF STANKS CONNECTED BY CROSSERS |
FR2446377A1 (en) * | 1979-01-12 | 1980-08-08 | Salzgitter Maschinen Ag | PROVISIONAL SUPPORT DURING CROSS-CUTTING WORK IN MINING GALLERIES |
-
1969
- 1969-10-29 FR FR6937132A patent/FR2022585A1/fr not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2415720A1 (en) * | 1978-01-27 | 1979-08-24 | Stephanois Constr Meca | Mine gallery roof support - has three relatively movable portal frames, with hydraulically-operated shoes supportable against caps |
FR2420645A1 (en) * | 1978-03-24 | 1979-10-19 | Ts Osrodek P Kon | WALKING SUPPORT FOR MINING GALLERIES |
FR2426799A1 (en) * | 1978-05-24 | 1979-12-21 | Stafford Frank | MOBILE SUPPORT KIT FOR MINE ROOF CONTAINING TWO ROWS OF STANKS CONNECTED BY CROSSERS |
FR2446377A1 (en) * | 1979-01-12 | 1980-08-08 | Salzgitter Maschinen Ag | PROVISIONAL SUPPORT DURING CROSS-CUTTING WORK IN MINING GALLERIES |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |