NL6515745A - - Google Patents
Info
- Publication number
- NL6515745A NL6515745A NL6515745A NL6515745A NL6515745A NL 6515745 A NL6515745 A NL 6515745A NL 6515745 A NL6515745 A NL 6515745A NL 6515745 A NL6515745 A NL 6515745A NL 6515745 A NL6515745 A NL 6515745A
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/0206—Hydraulically operated extension devices
-
- 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
- E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
-
- 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
-
- 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices
-
- 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)
- Tents Or Canopies (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB49739/64A GB1133099A (en) | 1964-12-07 | 1964-12-07 | Improvements relating to roof supports for mine workings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6515745A true NL6515745A (xx) | 1966-06-08 |
Family
ID=10453382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6515745A NL6515745A (xx) | 1964-12-07 | 1965-12-03 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3383866A (xx) |
| BE (1) | BE673367A (xx) |
| DE (1) | DE6601744U (xx) |
| ES (1) | ES320428A1 (xx) |
| FR (1) | FR1456383A (xx) |
| GB (1) | GB1133099A (xx) |
| NL (1) | NL6515745A (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1568151A (en) * | 1977-04-26 | 1980-05-29 | Fletcher Sutcliffe Wild Ltd | Mine roof supports |
| US4268193A (en) * | 1979-11-29 | 1981-05-19 | Fletcher Sutcliffe Wild Limited | Mine roof supports |
| DE102008029085B3 (de) * | 2008-06-20 | 2010-01-28 | Bucyrus Dbt Europe Gmbh | Schildkappe für einen Schildausbau |
| DE102008029014B3 (de) * | 2008-06-20 | 2010-04-15 | Bucyrus Dbt Europe Gmbh | Schildausbaugestell für den untertägigen Bergbau und Flächenstützelement hierfür |
| DE202009015653U1 (de) * | 2009-11-25 | 2011-07-12 | Bucyrus Europe Gmbh | Schildkappe für einen Schildausbau |
| CN110259497A (zh) * | 2018-11-24 | 2019-09-20 | 张国宁 | 炮掘工作面履带移动式折叠液压前探梁 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB934062A (en) * | 1960-09-09 | 1963-08-14 | Gullick Ltd | Improvements in or relating to roof supports for mines |
| FR1320148A (fr) * | 1962-01-24 | 1963-03-08 | Charbonnages De France | Soutènements marchants à piles jumelées |
-
1964
- 1964-12-07 GB GB49739/64A patent/GB1133099A/en not_active Expired
-
1965
- 1965-11-30 DE DE6601744U patent/DE6601744U/de not_active Expired
- 1965-12-03 US US511511A patent/US3383866A/en not_active Expired - Lifetime
- 1965-12-03 NL NL6515745A patent/NL6515745A/xx unknown
- 1965-12-06 ES ES0320428A patent/ES320428A1/es not_active Expired
- 1965-12-07 BE BE673367D patent/BE673367A/xx unknown
- 1965-12-07 FR FR41179A patent/FR1456383A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE6601744U (de) | 1969-03-27 |
| GB1133099A (en) | 1968-11-06 |
| US3383866A (en) | 1968-05-21 |
| BE673367A (xx) | 1966-06-07 |
| FR1456383A (fr) | 1966-10-21 |
| ES320428A1 (es) | 1966-05-16 |