PL80728B1 - - Google Patents
Download PDFInfo
- Publication number
- PL80728B1 PL80728B1 PL14155970A PL14155970A PL80728B1 PL 80728 B1 PL80728 B1 PL 80728B1 PL 14155970 A PL14155970 A PL 14155970A PL 14155970 A PL14155970 A PL 14155970A PL 80728 B1 PL80728 B1 PL 80728B1
- Authority
- PL
- Poland
- Prior art keywords
- conveyor
- wall
- actuator
- shifter
- support according
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000003245 working effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- MFOUDYKPLGXPGO-UHFFFAOYSA-N propachlor Chemical compound ClCC(=O)N(C(C)C)C1=CC=CC=C1 MFOUDYKPLGXPGO-UHFFFAOYSA-N 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
- E21D23/086—Details of fixing devices 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)
- Tents Or Canopies (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Feeding Of Articles To Conveyors (AREA)
- Manipulator (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691932378 DE1932378A1 (de) | 1969-06-26 | 1969-06-26 | Selbstvorrueckendes Grubenausbauelement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL80728B1 true PL80728B1 (en)) | 1975-08-30 |
Family
ID=5738058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14155970A PL80728B1 (en)) | 1969-06-26 | 1970-06-24 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5328361B1 (en)) |
| AT (1) | AT296191B (en)) |
| DE (1) | DE1932378A1 (en)) |
| ES (1) | ES381184A1 (en)) |
| GB (1) | GB1269022A (en)) |
| PL (1) | PL80728B1 (en)) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2655076A1 (de) * | 1976-12-04 | 1978-06-15 | Gewerk Eisenhuette Westfalia | Ausbaugespann |
| DE2712388C2 (de) * | 1977-03-22 | 1986-04-10 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Abspanneinrichtung für Förder- und/oder Gewinnungsanlagen in untertägigen Gewinnungsbetrieben |
| DE2800619C2 (de) * | 1978-01-07 | 1986-07-10 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitausbau mit einer Anschlußvorrichtung für einen der Abspannung einer Förder- und/oder Gewinnungsanlage dienenden Abspannzylinder |
| DE3024216C2 (de) * | 1980-06-27 | 1985-08-01 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Blockabspannung für eine rückbare Förder- und/oder Gewinnungsanlage |
| DE10393864D2 (de) * | 2002-12-17 | 2005-08-18 | Tiefenbach Control Sys Gmbh | Strebausbau in einem Bergwerk |
-
1969
- 1969-06-26 DE DE19691932378 patent/DE1932378A1/de active Pending
-
1970
- 1970-06-01 AT AT485570A patent/AT296191B/de not_active IP Right Cessation
- 1970-06-24 PL PL14155970A patent/PL80728B1/pl unknown
- 1970-06-25 GB GB3079370A patent/GB1269022A/en not_active Expired
- 1970-06-26 JP JP5586770A patent/JPS5328361B1/ja active Pending
- 1970-06-26 ES ES381184A patent/ES381184A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1269022A (en) | 1972-03-29 |
| DE1932378A1 (de) | 1971-01-07 |
| ES381184A1 (es) | 1972-12-01 |
| JPS5328361B1 (en)) | 1978-08-14 |
| AT296191B (de) | 1972-02-10 |
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