FR2038066A1 - - Google Patents
Info
- Publication number
- FR2038066A1 FR2038066A1 FR6908051A FR6908051A FR2038066A1 FR 2038066 A1 FR2038066 A1 FR 2038066A1 FR 6908051 A FR6908051 A FR 6908051A FR 6908051 A FR6908051 A FR 6908051A FR 2038066 A1 FR2038066 A1 FR 2038066A1
- 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- Withdrawn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
- E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams
-
- 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
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)
- Automatic Assembly (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6908051A FR2038066A1 (US07655688-20100202-C00086.png) | 1969-03-24 | 1969-03-24 | |
DE19702013634 DE2013634A1 (de) | 1969-03-24 | 1970-03-21 | Wanderstütze |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6908051A FR2038066A1 (US07655688-20100202-C00086.png) | 1969-03-24 | 1969-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2038066A1 true FR2038066A1 (US07655688-20100202-C00086.png) | 1971-01-08 |
Family
ID=9030958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6908051A Withdrawn FR2038066A1 (US07655688-20100202-C00086.png) | 1969-03-24 | 1969-03-24 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2013634A1 (US07655688-20100202-C00086.png) |
FR (1) | FR2038066A1 (US07655688-20100202-C00086.png) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2331309B2 (de) * | 1973-06-20 | 1975-04-24 | Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum | Schildausbaugestell mit Führungsvorrichtung |
DE2339650C2 (de) * | 1973-08-04 | 1982-08-12 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitvorrichtung für einen Ausbaubock |
DE2522111B2 (de) * | 1975-05-17 | 1978-10-12 | Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum | Schildausbaugespann mit Führungsvorrichtung |
DE2904544B2 (de) * | 1979-02-07 | 1980-11-27 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Rückvorrichtung für hydraulische Schildausbaugestelle |
DE3317801A1 (de) * | 1983-05-17 | 1984-11-22 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitwerk fuer hydraulische ausbaugestelle, insbesondere schildausbaugestelle |
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1969
- 1969-03-24 FR FR6908051A patent/FR2038066A1/fr not_active Withdrawn
-
1970
- 1970-03-21 DE DE19702013634 patent/DE2013634A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2013634A1 (de) | 1970-11-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |