PL75035B1 - Sealing and position rectifying mechanism[au3964972a] - Google Patents
Sealing and position rectifying mechanism[au3964972a] Download PDFInfo
- Publication number
- PL75035B1 PL75035B1 PL1972153871A PL15387172A PL75035B1 PL 75035 B1 PL75035 B1 PL 75035B1 PL 1972153871 A PL1972153871 A PL 1972153871A PL 15387172 A PL15387172 A PL 15387172A PL 75035 B1 PL75035 B1 PL 75035B1
- Authority
- PL
- Poland
- Prior art keywords
- plate
- plates
- stop
- sealing
- base
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title claims description 15
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000005065 mining Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 230000003245 working effect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 1
- 230000001788 irregular 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- 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
- E21D23/0034—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 comprising a goaf shield articulated to a base member
- E21D23/0039—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 comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to 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)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
- Processing Of Solid Wastes (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUBA2550A HU162717B (enrdf_load_html_response) | 1971-03-05 | 1971-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL75035B1 true PL75035B1 (en) | 1974-12-31 |
Family
ID=10993327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1972153871A PL75035B1 (en) | 1971-03-05 | 1972-03-03 | Sealing and position rectifying mechanism[au3964972a] |
Country Status (12)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2308424C3 (de) * | 1973-02-21 | 1982-09-16 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Staubabsaugvorrichtung für Abbaubetriebe |
| DE2319909C2 (de) * | 1973-04-19 | 1982-07-01 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbaugestell mit seitlich ausstellbarer Abstütz- und Verzugseinrichtung |
| DE2407227B1 (de) * | 1974-02-15 | 1975-06-05 | Bochumer Eisen Heintzmann | Hangendkappen-Anordnung fuer Schildausbaugestelle |
| DE2547853C2 (de) * | 1975-10-25 | 1984-04-05 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbaueinheit |
| GB1568967A (en) * | 1976-02-06 | 1980-06-11 | Dowty Mining Equipment Ltd | Mine roof support |
| DE2808205C2 (de) * | 1978-02-25 | 1985-10-10 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische Steuerung für eine an der Kappe oder an dem Bruchschild eines Schreitausbaus angeordnete Spaltabdeckung |
| DE2832875C2 (de) * | 1978-07-27 | 1985-11-07 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische Steuerung für eine an der Kappe oder am Bruchschild eines Ausbaugliedes einseitig angeordnete Spaltabdeck- und Ausrichtvorrichtung |
| DE2853050C2 (de) * | 1978-12-08 | 1985-10-03 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Seitliche Abdichtungsvorrichtung für einen Ausbaurahmen im untertägigen Bergbau |
| DE2942269A1 (de) * | 1979-10-19 | 1981-04-30 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Spaltabdeckung fuer einen schreitausbau u.dgl. |
| HU179856B (en) * | 1980-05-06 | 1982-12-28 | Varpalotai Szenbanyak | Apparatus for nining particularly expolating thick seams |
| DE3833842C1 (en) * | 1988-10-05 | 1989-08-31 | Bochumer Eisenhuette Heintzmann Gmbh & Co Kg, 4630 Bochum, De | Powered support assembly |
| DE4214690C2 (de) * | 1992-05-02 | 1998-09-17 | Dbt Gmbh | Spaltabdeckung für Ausbaugestelle, insbesondere Schildausbaugestelle |
| CN108222934B (zh) | 2015-06-24 | 2019-11-05 | 北京中矿创新联盟能源环境科学研究院 | 无巷道无煤柱自留巷开采工法的装备系统 |
| CN117108331B (zh) * | 2023-10-23 | 2024-01-02 | 山西新龙重工高分子科技有限公司 | 一种单元式液压支架 |
-
1971
- 1971-03-05 HU HUBA2550A patent/HU162717B/hu unknown
-
1972
- 1972-02-28 ZA ZA721304A patent/ZA721304B/xx unknown
- 1972-02-29 AT AT165372A patent/AT318522B/de not_active IP Right Cessation
- 1972-03-02 YU YU525/72A patent/YU34450B/xx unknown
- 1972-03-03 PL PL1972153871A patent/PL75035B1/pl unknown
- 1972-03-03 FR FR7207604A patent/FR2128636B1/fr not_active Expired
- 1972-03-04 ES ES400459A patent/ES400459A1/es not_active Expired
- 1972-03-04 JP JP2269972A patent/JPS5512520B1/ja active Pending
- 1972-03-06 DE DE19727208525U patent/DE7208525U/de not_active Expired
- 1972-03-06 DE DE19722210757 patent/DE2210757B2/de not_active Ceased
- 1972-03-06 BE BE780246A patent/BE780246A/xx not_active IP Right Cessation
- 1972-03-06 GB GB1037572A patent/GB1381544A/en not_active Expired
- 1972-03-06 AU AU39649/72A patent/AU459296B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| HU162717B (enrdf_load_html_response) | 1973-04-28 |
| FR2128636A1 (enrdf_load_html_response) | 1972-10-20 |
| BE780246A (fr) | 1972-07-03 |
| AT318522B (de) | 1974-10-25 |
| YU34450B (en) | 1979-07-10 |
| AU3964972A (en) | 1973-09-13 |
| DE7208525U (de) | 1978-08-24 |
| JPS5512520B1 (enrdf_load_html_response) | 1980-04-02 |
| AU459296B2 (en) | 1975-03-05 |
| ZA721304B (en) | 1973-06-27 |
| DE2210757B2 (de) | 1977-10-20 |
| DE2210757A1 (de) | 1972-11-02 |
| GB1381544A (en) | 1975-01-22 |
| YU52572A (en) | 1978-12-31 |
| ES400459A1 (es) | 1974-12-16 |
| FR2128636B1 (enrdf_load_html_response) | 1981-04-30 |
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