FR2148013B1 - - Google Patents
Info
- Publication number
- FR2148013B1 FR2148013B1 FR7226574A FR7226574A FR2148013B1 FR 2148013 B1 FR2148013 B1 FR 2148013B1 FR 7226574 A FR7226574 A FR 7226574A FR 7226574 A FR7226574 A FR 7226574A FR 2148013 B1 FR2148013 B1 FR 2148013B1
- 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
- E21D23/08—Advancing mechanisms
-
- 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)
- Lining And Supports For Tunnels (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Manipulator (AREA)
- Working Measures On Existing Buildindgs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712138717 DE2138717C3 (de) | 1971-08-03 | 1971-08-03 | Steckenvortriebsmaschine mit provisorischem Ausbau |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2148013A1 FR2148013A1 (fr) | 1973-03-16 |
FR2148013B1 true FR2148013B1 (fr) | 1976-08-06 |
Family
ID=5815606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7226574A Expired FR2148013B1 (fr) | 1971-08-03 | 1972-07-24 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2138717C3 (fr) |
FR (1) | FR2148013B1 (fr) |
GB (1) | GB1391365A (fr) |
PL (1) | PL72431B1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2406751C2 (de) * | 1974-02-13 | 1983-03-24 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulischer Grubenausbau |
AT339236B (de) * | 1975-10-29 | 1977-10-10 | Voest Ag | Vorrichtung zum verspannen einer fahrbaren schrammaschine |
DE2840919C3 (de) * | 1977-10-13 | 1982-02-11 | Voest - Alpine AG, 1011 Wien | An einer Streckenvortriebsmaschine angeordnete Vorrichtung zum Einbringen von Ausbaurahmen eines provisorischen Streckenausbaus |
CN108222995B (zh) * | 2017-12-29 | 2019-10-29 | 临沂矿业集团有限责任公司 | 一种支护推进安装保护设备 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2036490A (en) * | 1934-05-29 | 1936-04-07 | Stewarts & Lloyds Ltd | Support for mines and the like |
FR1197818A (fr) * | 1957-01-12 | 1959-12-03 | Oesterreichisches Schacht U Ti | Machine destinée au percement de galeries |
FR1201493A (fr) * | 1957-02-04 | 1959-12-30 | Oesterreichisches Schacht U Ti | Machine destinée au percement de galeries |
FR1505728A (fr) * | 1965-12-15 | 1967-12-15 | Coal Industry Patents Ltd | Support du toit des galeries de mines |
-
1971
- 1971-08-03 DE DE19712138717 patent/DE2138717C3/de not_active Expired
-
1972
- 1972-07-24 GB GB3454172A patent/GB1391365A/en not_active Expired
- 1972-07-24 FR FR7226574A patent/FR2148013B1/fr not_active Expired
- 1972-08-01 PL PL15705072A patent/PL72431B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
DE2138717A1 (de) | 1973-02-15 |
FR2148013A1 (fr) | 1973-03-16 |
DE2138717C3 (de) | 1981-06-25 |
PL72431B1 (fr) | 1974-06-29 |
DE2138717B2 (de) | 1980-07-10 |
GB1391365A (en) | 1975-04-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |