BE652266A - - Google Patents
Info
- Publication number
- BE652266A BE652266A BE652266DA BE652266A BE 652266 A BE652266 A BE 652266A BE 652266D A BE652266D A BE 652266DA BE 652266 A BE652266 A BE 652266A
- Authority
- BE
- Belgium
- Prior art keywords
- prop
- pressure
- group
- load
- strut
- Prior art date
Links
- 210000003462 vein Anatomy 0.000 claims description 53
- 230000036961 partial effect Effects 0.000 claims description 48
- 238000010276 construction Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 238000000605 extraction Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 13
- 230000008093 supporting effect Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 238000009415 formwork Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000670 limiting effect Effects 0.000 claims description 5
- 230000002829 reductive effect Effects 0.000 claims description 5
- 210000000056 organ Anatomy 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000002609 medium Substances 0.000 claims 16
- 239000003245 coal Substances 0.000 claims 3
- 241000252233 Cyprinus carpio Species 0.000 claims 1
- 206010034759 Petit mal epilepsy Diseases 0.000 claims 1
- 241000287531 Psittacidae Species 0.000 claims 1
- 239000012526 feed medium Substances 0.000 claims 1
- 230000004941 influx Effects 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 230000000750 progressive effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 11
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 11
- 230000008901 benefit Effects 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000003307 slaughter Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241001310494 Ammodytes marinus Species 0.000 description 1
- 241001579853 Cossus Species 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 241001674048 Phthiraptera Species 0.000 description 1
- 241001417523 Plesiopidae Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002747 voluntary 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
- 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
- E21D23/0069—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 without essential advancing shifting devices
-
- 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
-
- 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
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
- E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
-
- 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
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)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Prostheses (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0038575 | 1963-08-29 | ||
| AT423464A AT273013B (de) | 1963-08-29 | 1964-05-14 | Hydraulische Abstützvorrichtung, insbesondere für den Strebausbau |
| DEG40953A DE1302050B (de) | 1964-06-29 | 1964-06-29 | Hydraulisches Abstuetzelement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE652266A true BE652266A (de) | 1964-12-16 |
Family
ID=27149867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE652266D BE652266A (de) | 1963-08-29 | 1964-08-25 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3490244A (de) |
| BE (1) | BE652266A (de) |
| NL (1) | NL6410054A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1329125A (en) * | 1970-12-02 | 1973-09-05 | Gullick Dobson Ltd | Mine roof supports |
| CN112282816B (zh) * | 2020-10-28 | 2022-08-12 | 贵州理工学院 | 一种可以快速部署的巷道支护装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106825A (en) * | 1959-06-09 | 1963-10-15 | Raheinstahl Wanheim G M B H | Mining apparatus and advancing means therefor |
| GB930838A (en) * | 1960-08-31 | 1963-07-10 | Gullick Ltd | Improvements in or relating to roof supports for mines and the like |
-
1964
- 1964-08-25 BE BE652266D patent/BE652266A/fr unknown
- 1964-08-28 NL NL6410054A patent/NL6410054A/xx unknown
-
1967
- 1967-12-15 US US690856A patent/US3490244A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3490244A (en) | 1970-01-20 |
| NL6410054A (de) | 1965-03-01 |
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