HU208043B - Apparatus for securing mine working place - Google Patents
Apparatus for securing mine working place Download PDFInfo
- Publication number
- HU208043B HU208043B HU283289A HU283289A HU208043B HU 208043 B HU208043 B HU 208043B HU 283289 A HU283289 A HU 283289A HU 283289 A HU283289 A HU 283289A HU 208043 B HU208043 B HU 208043B
- Authority
- HU
- Hungary
- Prior art keywords
- headrest
- rock
- correct
- movable
- figures
- Prior art date
Links
- 238000005065 mining Methods 0.000 abstract description 7
- 239000011435 rock Substances 0.000 description 40
- 210000003128 head Anatomy 0.000 description 35
- 210000001061 forehead Anatomy 0.000 description 18
- 239000000243 solution Substances 0.000 description 18
- 238000006073 displacement reaction Methods 0.000 description 10
- 239000003610 charcoal Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 210000000707 wrist Anatomy 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000238017 Astacoidea Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 208000021267 infertility disease Diseases 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
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)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
- Seats For Vehicles (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Transmission Devices (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU283289A HU208043B (en) | 1989-06-02 | 1989-06-02 | Apparatus for securing mine working place |
GB9012433A GB2233379B (en) | 1989-06-02 | 1990-06-04 | Support for underground mining operations |
FR9006931A FR2648181A1 (fr) | 1989-06-02 | 1990-06-05 | Systeme de soutenement pour exploitation miniere souterraine |
DE19904018001 DE4018001A1 (de) | 1989-06-02 | 1990-06-05 | Vorrichtung fuer den grubenausbau von unterirdischen arbeitsplaetzen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU283289A HU208043B (en) | 1989-06-02 | 1989-06-02 | Apparatus for securing mine working place |
Publications (2)
Publication Number | Publication Date |
---|---|
HUT57380A HUT57380A (en) | 1991-11-28 |
HU208043B true HU208043B (en) | 1993-07-28 |
Family
ID=10961291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HU283289A HU208043B (en) | 1989-06-02 | 1989-06-02 | Apparatus for securing mine working place |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE4018001A1 (fr) |
FR (1) | FR2648181A1 (fr) |
GB (1) | GB2233379B (fr) |
HU (1) | HU208043B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2239286B (en) * | 1989-12-23 | 1994-03-02 | Meco Mining Equip | Mine roof support |
CN110792463A (zh) * | 2019-11-11 | 2020-02-14 | 大同煤矿集团有限责任公司 | 复杂条件下工作面机道过漏顶加固方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1516851A (en) * | 1975-04-04 | 1978-07-05 | Gullick Dobson Ltd | Mine roof supports |
AT337639B (de) * | 1975-09-26 | 1977-07-11 | Voest Alpine Montan Ag | Schildausbau |
HU179856B (en) * | 1980-05-06 | 1982-12-28 | Varpalotai Szenbanyak | Apparatus for nining particularly expolating thick seams |
GB2192021B (en) * | 1986-06-26 | 1990-03-21 | Gullick Dobson Ltd | A roof engaging structure for a mine roof support |
GB2192659B (en) * | 1986-07-15 | 1990-04-11 | Gullick Dobson Ltd | Mine roof support roof engaging device |
DE3940818A1 (de) * | 1989-12-09 | 1991-06-13 | Gewerk Eisenhuette Westfalia | Ausbaugestell mit einer vorrichtung zum abziehen des aus der oberbank nachbrechenden gewinnungsgutes |
GB2239286B (en) * | 1989-12-23 | 1994-03-02 | Meco Mining Equip | Mine roof support |
-
1989
- 1989-06-02 HU HU283289A patent/HU208043B/hu not_active IP Right Cessation
-
1990
- 1990-06-04 GB GB9012433A patent/GB2233379B/en not_active Expired - Fee Related
- 1990-06-05 FR FR9006931A patent/FR2648181A1/fr not_active Withdrawn
- 1990-06-05 DE DE19904018001 patent/DE4018001A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE4018001A1 (de) | 1990-12-20 |
GB2233379A (en) | 1991-01-09 |
FR2648181A1 (fr) | 1990-12-14 |
GB9012433D0 (en) | 1990-07-25 |
GB2233379B (en) | 1993-08-25 |
HUT57380A (en) | 1991-11-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HMM4 | Cancellation of final prot. due to non-payment of fee | ||
DNF4 | Restoration of lapsed final protection | ||
HPC4 | Succession in title of patentee |
Owner name: PROMINE MAGYAR-ANGOL MERNOKI ES KERESKEDELMI SZOLG |
|
HMM4 | Cancellation of final prot. due to non-payment of fee |