BE563397A - - Google Patents
Info
- Publication number
- BE563397A BE563397A BE563397A BE563397A BE563397A BE 563397 A BE563397 A BE 563397A BE 563397 A BE563397 A BE 563397A BE 563397 A BE563397 A BE 563397A BE 563397 A BE563397 A BE 563397A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- hydraulic mine
- tube
- mine prop
- prop according
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 210000002683 foot Anatomy 0.000 claims 5
- 241000269908 Platichthys flesus Species 0.000 claims 1
- 210000003423 ankle Anatomy 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
- E21D15/45—Hydraulic, pneumatic, or hydraulic-pneumatic props having closed fluid system, e.g. with built-in pumps or accumulators
-
- 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)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Details Of Reciprocating Pumps (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Fluid-Damping Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEST012957 | 1957-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE563397A true BE563397A (enrdf_load_stackoverflow) | 1958-06-20 |
Family
ID=7455886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE563397A BE563397A (enrdf_load_stackoverflow) | 1957-09-16 | 1957-12-20 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE563397A (enrdf_load_stackoverflow) |
| DE (1) | DE1408064A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1204337A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4140317C2 (de) * | 1991-12-06 | 1995-03-23 | Vos Richard Grubenausbau Gmbh | Ventilanordnung für den Einzelstempelausbau im untertägigen Berg- und Tunnelbau |
| DE4323462C2 (de) * | 1993-07-14 | 1995-05-04 | Vos Richard Grubenausbau Gmbh | Ausbaustempel für den Untertageeinsatz mit integriertem Druckbegrenzungsventil |
-
1957
- 1957-09-16 DE DE19571408064 patent/DE1408064A1/de active Pending
- 1957-12-20 BE BE563397A patent/BE563397A/fr unknown
- 1957-12-20 FR FR1204337D patent/FR1204337A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1204337A (fr) | 1960-01-25 |
| DE1408064A1 (de) | 1968-12-12 |
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