PL225469A1 - - Google Patents
Info
- Publication number
- PL225469A1 PL225469A1 PL22546980A PL22546980A PL225469A1 PL 225469 A1 PL225469 A1 PL 225469A1 PL 22546980 A PL22546980 A PL 22546980A PL 22546980 A PL22546980 A PL 22546980A PL 225469 A1 PL225469 A1 PL 225469A1
- Authority
- PL
- Poland
Links
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
- E21D23/0017—Pile type supports
- E21D23/0021—Pile type supports comprising two walking elements
-
- 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
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
-
- 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
- E21D23/0472—Supports specially adapted for people walking or transporting material
-
- 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
- E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
- E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Actuator (AREA)
- Body Structure For Vehicles (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7917589A FR2461095A1 (fr) | 1979-07-06 | 1979-07-06 | Portique de soutenement continu glissant a grande ouverture de passage et chapeau glissant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL225469A1 true PL225469A1 (en, 2012) | 1981-02-27 |
Family
ID=9227603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL22546980A PL225469A1 (en, 2012) | 1979-07-06 | 1980-07-04 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4358224A (en, 2012) |
| JP (1) | JPS5612499A (en, 2012) |
| AU (1) | AU6008780A (en, 2012) |
| BE (1) | BE884160A (en, 2012) |
| DE (1) | DE3025236A1 (en, 2012) |
| ES (1) | ES493164A0 (en, 2012) |
| FR (1) | FR2461095A1 (en, 2012) |
| GB (1) | GB2051937B (en, 2012) |
| PL (1) | PL225469A1 (en, 2012) |
| YU (1) | YU174080A (en, 2012) |
| ZA (1) | ZA803920B (en, 2012) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60232925A (ja) * | 1984-05-04 | 1985-11-19 | Teiboo Kk | 合成樹脂製ペン先の成形ダイス |
| AT388971B (de) * | 1986-01-22 | 1989-09-25 | Voest Alpine Ag | Auf raupen verfahrbarer abstuetzbock |
| US7207632B2 (en) * | 2003-06-05 | 2007-04-24 | Sterling Wayne Lowery | Shield system for coal mining |
| US20100132731A1 (en) | 2008-12-01 | 2010-06-03 | Matthew Waitesmith | Ergonomic Cosmetic Brush |
| RU2419722C1 (ru) * | 2010-01-11 | 2011-05-27 | Александр Александрович Перфилов | Механизированная крепь для крутых пластов |
| RU2495249C1 (ru) * | 2012-07-04 | 2013-10-10 | Александр Александрович Перфилов | Механизированная крепь для крутых пластов |
| CN105626116A (zh) * | 2016-03-15 | 2016-06-01 | 郑州四维矿业机械有限责任公司 | 一种综采工作面支护装置及其端头支架 |
| CN112240218B (zh) * | 2020-10-16 | 2022-09-30 | 山东思科赛德矿业安全工程有限公司 | 一种可防沙石掉落的煤矿开采用巷道支护装置 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826898A (en) * | 1948-10-06 | 1958-03-18 | Joy Mfg Co | Apparatus for mine roof control |
| FR1230215A (fr) * | 1958-07-15 | 1960-09-14 | Bochumer Ges Fuer Grubenausbau | Perfectionnements apportés aux dispositifs de soutènement auxiliaires qui suivent les travaux d'abattage dans des galeries, plus spécialement des couloirs de mines |
| US3115754A (en) * | 1959-01-23 | 1963-12-31 | Dowty Mining Equipment Ltd | Mining shield |
| DE1139084B (de) * | 1960-07-13 | 1962-11-08 | Maschf | Fahrbares, rahmenartiges Strebausbauglied |
| GB984790A (en) * | 1960-07-25 | 1965-03-03 | Herbert Cotterill Ltd | Improvements in or relating to mine roof supports |
| DE1171859B (de) | 1960-09-10 | 1964-06-11 | Albert Hamel | Abstuetzvorrichtung fuer gebraeches Hangende |
| DE1154424B (de) * | 1960-09-12 | 1963-09-19 | Ewald Wiemann Maschf | Wandernder Strebausbau |
| DE1127842B (de) * | 1960-11-24 | 1962-04-19 | Maschf | Fahrbares Strebausbauglied |
| GB1037912A (en) * | 1962-01-29 | 1966-08-03 | Groetschel Karl Maria | Improvements relating to roof supports for mine workings |
| FR1313514A (fr) * | 1962-02-02 | 1962-12-28 | Schwarz Kg Hermann | Châssis de soutènement articulé pour soutènement mobile, utilisable notamment dans les mines |
| GB1159961A (en) * | 1965-10-04 | 1969-07-30 | Wild A G & Co Ltd | Improvements in Hydraulic Roof Supports for use in Mines |
| DE1257721C2 (de) * | 1966-02-16 | 1974-02-14 | Unter last rueckbarer hydraulischer stempelausbau | |
| DE1758753C3 (de) * | 1968-08-02 | 1978-10-05 | Hippel Geb. Weiss, Sophie Von, 7771 Oberstenweiler | Hydraulischer Strebausbau |
| JPS4983228A (en, 2012) * | 1972-12-18 | 1974-08-10 | ||
| DE2363487C3 (de) * | 1973-12-20 | 1981-05-27 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Schreitender Streckenausbau |
| FR2339057A1 (fr) * | 1976-01-26 | 1977-08-19 | Charbonnages De France | Support unitaire de soutenement marchant |
| FR2356809A1 (fr) * | 1976-06-29 | 1978-01-27 | Charbonnages De France | Pile mobile de soutenement continu |
| GB1595879A (en) * | 1977-09-22 | 1981-08-19 | Hemscheidt Maschf Hermann | Self-advancing mine-roof support |
| FR2415720A1 (fr) * | 1978-01-27 | 1979-08-24 | Stephanois Constr Meca | Soutenement de tracage a portance permanente |
-
1979
- 1979-07-06 FR FR7917589A patent/FR2461095A1/fr active Granted
-
1980
- 1980-06-30 ZA ZA00803920A patent/ZA803920B/xx unknown
- 1980-07-03 YU YU01740/80A patent/YU174080A/xx unknown
- 1980-07-03 BE BE6/47204A patent/BE884160A/fr not_active IP Right Cessation
- 1980-07-03 AU AU60087/80A patent/AU6008780A/en not_active Abandoned
- 1980-07-03 DE DE19803025236 patent/DE3025236A1/de active Granted
- 1980-07-04 PL PL22546980A patent/PL225469A1/xx unknown
- 1980-07-04 JP JP9081180A patent/JPS5612499A/ja active Pending
- 1980-07-04 GB GB8021956A patent/GB2051937B/en not_active Expired
- 1980-07-05 ES ES493164A patent/ES493164A0/es active Granted
- 1980-07-07 US US06/166,399 patent/US4358224A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5612499A (en) | 1981-02-06 |
| FR2461095A1 (fr) | 1981-01-30 |
| ZA803920B (en) | 1981-06-24 |
| DE3025236C2 (en, 2012) | 1990-05-17 |
| DE3025236A1 (de) | 1981-01-15 |
| US4358224A (en) | 1982-11-09 |
| AU6008780A (en) | 1981-01-15 |
| ES8104491A1 (es) | 1981-04-01 |
| FR2461095B1 (en, 2012) | 1983-02-11 |
| ES493164A0 (es) | 1981-04-01 |
| BE884160A (fr) | 1980-11-03 |
| GB2051937B (en) | 1983-04-13 |
| GB2051937A (en) | 1981-01-21 |
| YU174080A (en) | 1983-06-30 |