DE1483907C3 - - Google Patents
Info
- Publication number
- DE1483907C3 DE1483907C3 DE19651483907 DE1483907A DE1483907C3 DE 1483907 C3 DE1483907 C3 DE 1483907C3 DE 19651483907 DE19651483907 DE 19651483907 DE 1483907 A DE1483907 A DE 1483907A DE 1483907 C3 DE1483907 C3 DE 1483907C3
- Authority
- DE
- Germany
- Prior art keywords
- caps
- cap
- expansion
- robbery
- track
- 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
- 210000000629 knee joint Anatomy 0.000 claims description 4
- 210000002414 leg Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000009424 underpinning Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000011435 rock Substances 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 210000003127 knee 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
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
-
- 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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
- E21D23/066—Pivoted cantilever extensions therefor
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Burglar Alarm Systems (AREA)
- Holders For Apparel And Elements Relating To Apparel (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0048378 | 1965-06-30 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1483907A1 DE1483907A1 (de) | 1969-04-03 |
| DE1483907B2 DE1483907B2 (de) | 1973-02-08 |
| DE1483907C3 true DE1483907C3 (enExample) | 1974-09-05 |
Family
ID=7128645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651483907 Granted DE1483907B2 (de) | 1965-06-30 | 1965-06-30 | Mit einer raubvorrichtung ausgestattetes streckenausbaugespann fuer den bereich des strebausganges |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1483907B2 (enExample) |
-
1965
- 1965-06-30 DE DE19651483907 patent/DE1483907B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE1483907B2 (de) | 1973-02-08 |
| DE1483907A1 (de) | 1969-04-03 |
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| DE1483907C3 (enExample) | ||
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| DE1214182B (de) | Wanderndes Grubenausbauelement | |
| DE1182186B (de) | Hydraulisches Streckenausbaugestell | |
| DE1179169B (de) | Vollmechanisches Ausbaugestell | |
| DE2832070A1 (de) | Abspannvorrichtung fuer einen strebfoerderer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |