FR2183662B1 - - Google Patents
Info
- Publication number
- FR2183662B1 FR2183662B1 FR7301926A FR7301926A FR2183662B1 FR 2183662 B1 FR2183662 B1 FR 2183662B1 FR 7301926 A FR7301926 A FR 7301926A FR 7301926 A FR7301926 A FR 7301926A FR 2183662 B1 FR2183662 B1 FR 2183662B1
- 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/10—Anchorings for conveyors
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)
- Mechanical Engineering (AREA)
- Framework For Endless Conveyors (AREA)
- Clamps And Clips (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722222018 DE2222018C3 (de) | 1972-05-05 | 1972-05-05 | Steuerung für eine Strebförderer-Teilverankerung |
DE19722234964 DE2234964C3 (de) | 1972-07-15 | 1972-07-15 | Steuerung für eine Strebförderer-Teilverankerung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2183662A1 FR2183662A1 (fr) | 1973-12-21 |
FR2183662B1 true FR2183662B1 (fr) | 1977-04-22 |
Family
ID=25763210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7301926A Expired FR2183662B1 (fr) | 1972-05-05 | 1973-01-19 |
Country Status (3)
Country | Link |
---|---|
CS (1) | CS212289B2 (fr) |
FR (1) | FR2183662B1 (fr) |
GB (1) | GB1425186A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2924395C2 (de) * | 1979-06-16 | 1986-10-09 | Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen | Befestigungsbrücke zum Anbau an den Rinnenschüssen eines Kettenkratzförderers für untertägige Gewinnungsbetriebe |
CN105781602B (zh) * | 2016-03-18 | 2017-03-15 | 西安科技大学 | 一种适用于采煤工作面的模拟液压支架 |
CN110331996B (zh) * | 2019-07-09 | 2020-07-14 | 山东科技大学 | 一种纯机械半自动移动式巷道临时支护装置及工作方法 |
-
1973
- 1973-01-19 FR FR7301926A patent/FR2183662B1/fr not_active Expired
- 1973-05-03 CS CS316073A patent/CS212289B2/cs unknown
- 1973-05-04 GB GB2128473A patent/GB1425186A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2183662A1 (fr) | 1973-12-21 |
GB1425186A (en) | 1976-02-18 |
CS212289B2 (en) | 1982-03-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |