NL6410054A - - Google Patents
Info
- Publication number
- NL6410054A NL6410054A NL6410054A NL6410054A NL6410054A NL 6410054 A NL6410054 A NL 6410054A NL 6410054 A NL6410054 A NL 6410054A NL 6410054 A NL6410054 A NL 6410054A NL 6410054 A NL6410054 A NL 6410054A
- Authority
- NL
- Netherlands
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
- E21D23/006—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
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
- E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
-
- 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
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
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)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Prostheses (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG0038575 | 1963-08-29 | ||
AT423464A AT273013B (de) | 1963-08-29 | 1964-05-14 | Hydraulische Abstützvorrichtung, insbesondere für den Strebausbau |
DEG40953A DE1302050B (de) | 1964-06-29 | 1964-06-29 | Hydraulisches Abstuetzelement |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6410054A true NL6410054A (xx) | 1965-03-01 |
Family
ID=27149867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6410054A NL6410054A (xx) | 1963-08-29 | 1964-08-28 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3490244A (xx) |
BE (1) | BE652266A (xx) |
NL (1) | NL6410054A (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1329125A (en) * | 1970-12-02 | 1973-09-05 | Gullick Dobson Ltd | Mine roof supports |
CN112282816B (zh) * | 2020-10-28 | 2022-08-12 | 贵州理工学院 | 一种可以快速部署的巷道支护装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3106825A (en) * | 1959-06-09 | 1963-10-15 | Raheinstahl Wanheim G M B H | Mining apparatus and advancing means therefor |
GB930838A (en) * | 1960-08-31 | 1963-07-10 | Gullick Ltd | Improvements in or relating to roof supports for mines and the like |
-
1964
- 1964-08-25 BE BE652266D patent/BE652266A/fr unknown
- 1964-08-28 NL NL6410054A patent/NL6410054A/xx unknown
-
1967
- 1967-12-15 US US690856A patent/US3490244A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3490244A (en) | 1970-01-20 |
BE652266A (xx) | 1964-12-16 |