DE3409002C2 - - Google Patents
Info
- Publication number
- DE3409002C2 DE3409002C2 DE19843409002 DE3409002A DE3409002C2 DE 3409002 C2 DE3409002 C2 DE 3409002C2 DE 19843409002 DE19843409002 DE 19843409002 DE 3409002 A DE3409002 A DE 3409002A DE 3409002 C2 DE3409002 C2 DE 3409002C2
- Authority
- DE
- Germany
- Prior art keywords
- offset
- blowing
- wall
- caps
- expansion
- 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
- 238000007664 blowing Methods 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 20
- 239000003245 coal Substances 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000005065 mining Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 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
- E21D23/04—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
- E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
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)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843409002 DE3409002A1 (de) | 1984-03-12 | 1984-03-12 | Verfahren und vorrichtung zum einbringen von blasversatz mit hydraulischen ausbaugestellen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843409002 DE3409002A1 (de) | 1984-03-12 | 1984-03-12 | Verfahren und vorrichtung zum einbringen von blasversatz mit hydraulischen ausbaugestellen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3409002A1 DE3409002A1 (de) | 1985-09-12 |
| DE3409002C2 true DE3409002C2 (US08088816-20120103-C00036.png) | 1988-12-29 |
Family
ID=6230233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843409002 Granted DE3409002A1 (de) | 1984-03-12 | 1984-03-12 | Verfahren und vorrichtung zum einbringen von blasversatz mit hydraulischen ausbaugestellen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3409002A1 (US08088816-20120103-C00036.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3709437A1 (de) * | 1987-03-21 | 1988-11-03 | Ludwig Pawelski | Ausbaugestell fuer blasversatz |
| DE3709786C1 (en) * | 1987-03-25 | 1988-03-17 | Hemscheidt Maschf Hermann | Hydraulic shield support assembly for pneumatic stowing operations |
| CN114562314B (zh) * | 2022-03-09 | 2023-02-28 | 中国矿业大学 | 一种综放工作面充填液压支架及使用方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1061071A (en) * | 1964-03-20 | 1967-03-08 | Gullick Ltd | Improvements in or relating to mine roof supports |
| DE2002442A1 (de) * | 1970-01-21 | 1971-07-29 | Bergwerksverband Gmbh | Rueckkragende Kappe fuer den schreitenden Strebausbau |
| DE2806982C2 (de) * | 1978-02-18 | 1986-08-14 | Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen | Schreitausbau für Blasversatzbetriebe in geneigter Lagerung |
| DE2814582C2 (de) * | 1978-04-05 | 1980-02-07 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Hydraulisches Schreitausbaugestell mit Abschirmwand und Blasleitung |
| DE2943748A1 (de) * | 1979-10-30 | 1981-05-14 | Thyssen Industrie Ag, 4300 Essen | Hoehenverstellbare blasversatzwand |
-
1984
- 1984-03-12 DE DE19843409002 patent/DE3409002A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3409002A1 (de) | 1985-09-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: BBS BERGBAU-SYSTEME GMBH, 4100 DUISBURG, DE |
|
| 8127 | New person/name/address of the applicant |
Owner name: PAWELSKI, LUDWIG, 4100 DUISBURG, DE |
|
| D2 | Grant after examination | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: RUHRKOHLE AG, 4300 ESSEN, DE |
|
| 8381 | Inventor (new situation) |
Free format text: PAWELSKI, LUDWIG, 4100 DUISBURG, DE |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |