BE652542A - - Google Patents
Info
- Publication number
- BE652542A BE652542A BE652542DA BE652542A BE 652542 A BE652542 A BE 652542A BE 652542D A BE652542D A BE 652542DA BE 652542 A BE652542 A BE 652542A
- Authority
- BE
- Belgium
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
- E21D23/0052—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
-
- 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
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)
- Actuator (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Processing Of Meat And Fish (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG38595A DE1211572B (de) | 1963-09-02 | 1963-09-02 | Wanderndes hydraulisches Ausbaugestell |
Publications (1)
Publication Number | Publication Date |
---|---|
BE652542A true BE652542A (pl) | 1965-03-01 |
Family
ID=7125938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE652542D BE652542A (pl) | 1963-09-02 | 1964-09-01 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3333424A (pl) |
BE (1) | BE652542A (pl) |
DE (1) | DE1211572B (pl) |
GB (1) | GB1082543A (pl) |
NL (1) | NL6410069A (pl) |
Families Citing this family (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 |
JPS5153702A (en) * | 1974-11-05 | 1976-05-12 | Mitsubishi Heavy Ind Ltd | Kutsusakusochino pawaasuraidokiko |
US4420278A (en) * | 1980-02-29 | 1983-12-13 | Dowty (South Africa) (Proprietary) Limited | Heading shield |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB883407A (en) * | 1959-06-06 | 1961-11-29 | Rheinstahl Gmbh Wanheim | Improvements in mine roof support assemblies |
US3106825A (en) * | 1959-06-09 | 1963-10-15 | Raheinstahl Wanheim G M B H | Mining apparatus and advancing means therefor |
DE1147905B (de) * | 1960-08-13 | 1963-05-02 | Gewerk Eisenhuette Westfalia | Ausbaugestell |
FR1277272A (fr) * | 1961-01-06 | 1961-11-24 | Electro Hydraulics Ltd | Perfectionnements apportés aux dispositifs de soutènement pour mines |
FR1340145A (fr) * | 1962-12-05 | 1963-10-11 | Dobson Ltd W E & F | Support de toit de mine |
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1963
- 1963-09-02 DE DEG38595A patent/DE1211572B/de active Pending
-
1964
- 1964-08-28 NL NL6410069A patent/NL6410069A/xx unknown
- 1964-08-31 US US393446A patent/US3333424A/en not_active Expired - Lifetime
- 1964-08-31 GB GB35514/64A patent/GB1082543A/en not_active Expired
- 1964-09-01 BE BE652542D patent/BE652542A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1211572B (de) | 1966-03-03 |
US3333424A (en) | 1967-08-01 |
GB1082543A (en) | 1967-09-06 |
NL6410069A (pl) | 1965-03-03 |