DE2013634A1 - Wanderstütze - Google Patents
WanderstützeInfo
- Publication number
- DE2013634A1 DE2013634A1 DE19702013634 DE2013634A DE2013634A1 DE 2013634 A1 DE2013634 A1 DE 2013634A1 DE 19702013634 DE19702013634 DE 19702013634 DE 2013634 A DE2013634 A DE 2013634A DE 2013634 A1 DE2013634 A1 DE 2013634A1
- Authority
- DE
- Germany
- Prior art keywords
- power cylinder
- hiking
- support according
- rows
- supports
- 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.)
- Pending
Links
- 230000000750 progressive effect Effects 0.000 description 2
- 101100286286 Dictyostelium discoideum ipi gene Proteins 0.000 description 1
- 235000003434 Sesamum indicum Nutrition 0.000 description 1
- 244000000231 Sesamum indicum Species 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 241000269319 Squalius cephalus Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6908051A FR2038066A1 (pl) | 1969-03-24 | 1969-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2013634A1 true DE2013634A1 (de) | 1970-11-05 |
Family
ID=9030958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702013634 Pending DE2013634A1 (de) | 1969-03-24 | 1970-03-21 | Wanderstütze |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2013634A1 (pl) |
FR (1) | FR2038066A1 (pl) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2339650A1 (de) * | 1973-08-04 | 1975-02-20 | Gewerk Eisenhuette Westfalia | Ausbaubock, insbesondere fuer mit grossen schnittiefen arbeitende gewinnungsbetriebe |
US3949562A (en) * | 1973-06-20 | 1976-04-13 | Bochumer Eisenhutte Heintzmann & Co. | Apparatus for preventing cave-ins of excavations |
US4008578A (en) * | 1975-05-17 | 1977-02-22 | Bochumer Eisenhutte Heintzmann & Company | Pit prop assembly |
DE2904544A1 (de) * | 1979-02-07 | 1980-08-14 | Hemscheidt Maschf Hermann | Rueckvorrichtung fuer hydraulische schildausbaugestelle |
DE3317801A1 (de) * | 1983-05-17 | 1984-11-22 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitwerk fuer hydraulische ausbaugestelle, insbesondere schildausbaugestelle |
-
1969
- 1969-03-24 FR FR6908051A patent/FR2038066A1/fr not_active Withdrawn
-
1970
- 1970-03-21 DE DE19702013634 patent/DE2013634A1/de active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3949562A (en) * | 1973-06-20 | 1976-04-13 | Bochumer Eisenhutte Heintzmann & Co. | Apparatus for preventing cave-ins of excavations |
DE2339650A1 (de) * | 1973-08-04 | 1975-02-20 | Gewerk Eisenhuette Westfalia | Ausbaubock, insbesondere fuer mit grossen schnittiefen arbeitende gewinnungsbetriebe |
US4008578A (en) * | 1975-05-17 | 1977-02-22 | Bochumer Eisenhutte Heintzmann & Company | Pit prop assembly |
DE2904544A1 (de) * | 1979-02-07 | 1980-08-14 | Hemscheidt Maschf Hermann | Rueckvorrichtung fuer hydraulische schildausbaugestelle |
DE3317801A1 (de) * | 1983-05-17 | 1984-11-22 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitwerk fuer hydraulische ausbaugestelle, insbesondere schildausbaugestelle |
Also Published As
Publication number | Publication date |
---|---|
FR2038066A1 (pl) | 1971-01-08 |
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