FR1407922A - Châssis de soutènement à avance hydraulique - Google Patents
Châssis de soutènement à avance hydrauliqueInfo
- Publication number
- FR1407922A FR1407922A FR985703A FR985703A FR1407922A FR 1407922 A FR1407922 A FR 1407922A FR 985703 A FR985703 A FR 985703A FR 985703 A FR985703 A FR 985703A FR 1407922 A FR1407922 A FR 1407922A
- Authority
- FR
- France
- Prior art keywords
- support frame
- feed support
- hydraulic feed
- hydraulic
- frame
- Prior art date
- 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
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
-
- 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR985703A FR1407922A (fr) | 1964-08-20 | 1964-08-20 | Châssis de soutènement à avance hydraulique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR985703A FR1407922A (fr) | 1964-08-20 | 1964-08-20 | Châssis de soutènement à avance hydraulique |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1407922A true FR1407922A (fr) | 1965-08-06 |
Family
ID=8836959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR985703A Expired FR1407922A (fr) | 1964-08-20 | 1964-08-20 | Châssis de soutènement à avance hydraulique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1407922A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1533748B1 (de) * | 1967-03-07 | 1969-09-18 | Kloeckner Werke Ag | Hydraulisches Ausbaugespann aus zwei wechselseitig schreitenden Rahmen,zwischen denen eine Fuehrung vorgesehen ist |
CN109882219A (zh) * | 2019-04-15 | 2019-06-14 | 辽宁鑫丰矿业(集团)有限公司 | 综采工作面回撤系统 |
-
1964
- 1964-08-20 FR FR985703A patent/FR1407922A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1533748B1 (de) * | 1967-03-07 | 1969-09-18 | Kloeckner Werke Ag | Hydraulisches Ausbaugespann aus zwei wechselseitig schreitenden Rahmen,zwischen denen eine Fuehrung vorgesehen ist |
CN109882219A (zh) * | 2019-04-15 | 2019-06-14 | 辽宁鑫丰矿业(集团)有限公司 | 综采工作面回撤系统 |
CN109882219B (zh) * | 2019-04-15 | 2024-02-27 | 辽宁鑫丰矿业(集团)有限公司 | 综采工作面回撤系统 |
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