JPS5014127A - - Google Patents
Info
- Publication number
- JPS5014127A JPS5014127A JP49043532A JP4353274A JPS5014127A JP S5014127 A JPS5014127 A JP S5014127A JP 49043532 A JP49043532 A JP 49043532A JP 4353274 A JP4353274 A JP 4353274A JP S5014127 A JPS5014127 A JP S5014127A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- E21D23/0034—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
-
- 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
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Chain Conveyers (AREA)
- Manipulator (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2319909A DE2319909C2 (en) | 1973-04-19 | 1973-04-19 | Shield support frame with support and delay device that can be opened to the side |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5014127A true JPS5014127A (en) | 1975-02-14 |
JPS5743720B2 JPS5743720B2 (en) | 1982-09-16 |
Family
ID=5878637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49043532A Expired JPS5743720B2 (en) | 1973-04-19 | 1974-04-19 |
Country Status (12)
Country | Link |
---|---|
US (1) | US3911686A (en) |
JP (1) | JPS5743720B2 (en) |
BE (1) | BE812443A (en) |
CA (1) | CA990959A (en) |
CS (1) | CS208168B2 (en) |
DE (1) | DE2319909C2 (en) |
ES (1) | ES425435A1 (en) |
FR (1) | FR2226550B1 (en) |
GB (1) | GB1470436A (en) |
HU (1) | HU169525B (en) |
PL (1) | PL90458B1 (en) |
SU (1) | SU588930A3 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1516637A (en) * | 1974-11-23 | 1978-07-05 | Gullick Dobson Ltd | Mine roof supports |
DE2525034C2 (en) * | 1975-06-05 | 1981-01-08 | Becorit Grubenausbau Gmbh, 4350 Recklinghausen | Cap for longwall construction elements |
GB1494284A (en) * | 1975-07-19 | 1977-12-07 | Gullick Dobson Ltd | Self-advancing mine roof supports |
AT337639B (en) * | 1975-09-26 | 1977-07-11 | Voest Alpine Montan Ag | SHIELD EXPANSION |
DE2744992C2 (en) * | 1977-10-06 | 1989-09-21 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitwerk for a shield or trestle construction and the like. |
DE2853050C2 (en) * | 1978-12-08 | 1985-10-03 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Lateral sealing device for a support frame in underground mining |
US4432673A (en) * | 1981-04-25 | 1984-02-21 | Dowty Mining Equipment Limited | Mine roof support |
DE19953526B4 (en) * | 1999-11-05 | 2008-05-29 | Dbt Gmbh | Expansion stand for large seam sizes with a controlled gap seal |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1302918C2 (en) * | 1965-10-02 | 1975-04-24 | Gewerkschaft Eisenhütte Westfalia, 4628 Altlünen | HIKING STREET STRUCTURE |
GB1160513A (en) * | 1966-03-04 | 1969-08-06 | Karl Maria Groetschel | Improvements relating to Roof Supports for Mine Workings. |
DE1277789B (en) * | 1967-01-13 | 1968-09-19 | Gewerk Eisenhuette Westfalia | Hydraulically moving support frame |
DE1948280A1 (en) * | 1969-09-24 | 1971-04-01 | Krampe & Co | Delay for the moving longwall mining |
HU162717B (en) * | 1971-03-05 | 1973-04-28 | ||
DE2128023B2 (en) * | 1971-06-05 | 1974-04-18 | Kloeckner-Werke Ag, 4100 Duisburg | Migrating longwall construction with side-by-side support shields |
US3728863A (en) * | 1971-09-14 | 1973-04-24 | Gewerk Eisenhuette Westfalia | Mine roof support assemblies |
US3837170A (en) * | 1972-03-06 | 1974-09-24 | Banyaszati Kutato Intezet | Sealing and position rectifying mechanism for shield supports |
-
1973
- 1973-04-19 DE DE2319909A patent/DE2319909C2/en not_active Expired
-
1974
- 1974-02-25 FR FR7406292A patent/FR2226550B1/fr not_active Expired
- 1974-03-18 BE BE142121A patent/BE812443A/en not_active IP Right Cessation
- 1974-03-29 CA CA196,363A patent/CA990959A/en not_active Expired
- 1974-04-11 US US459986A patent/US3911686A/en not_active Expired - Lifetime
- 1974-04-12 SU SU742015691A patent/SU588930A3/en active
- 1974-04-17 HU HUEI540A patent/HU169525B/hu unknown
- 1974-04-17 PL PL1974170428A patent/PL90458B1/pl unknown
- 1974-04-17 GB GB1676274A patent/GB1470436A/en not_active Expired
- 1974-04-17 ES ES425435A patent/ES425435A1/en not_active Expired
- 1974-04-19 CS CS742821A patent/CS208168B2/en unknown
- 1974-04-19 JP JP49043532A patent/JPS5743720B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES425435A1 (en) | 1976-06-01 |
SU588930A3 (en) | 1978-01-15 |
US3911686A (en) | 1975-10-14 |
PL90458B1 (en) | 1977-01-31 |
BE812443A (en) | 1974-07-15 |
AU6752774A (en) | 1975-10-09 |
JPS5743720B2 (en) | 1982-09-16 |
DE2319909A1 (en) | 1974-11-07 |
HU169525B (en) | 1976-12-28 |
DE2319909C2 (en) | 1982-07-01 |
FR2226550B1 (en) | 1982-10-01 |
GB1470436A (en) | 1977-04-14 |
CA990959A (en) | 1976-06-15 |
CS208168B2 (en) | 1981-08-31 |
FR2226550A1 (en) | 1974-11-15 |