GB1037917A - Improvements relating to roof supports for mine workings - Google Patents
Improvements relating to roof supports for mine workingsInfo
- Publication number
- GB1037917A GB1037917A GB2004864A GB2004864A GB1037917A GB 1037917 A GB1037917 A GB 1037917A GB 2004864 A GB2004864 A GB 2004864A GB 2004864 A GB2004864 A GB 2004864A GB 1037917 A GB1037917 A GB 1037917A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roof supports
- improvements relating
- mine workings
- jan
- mine
- Prior art date
- 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.)
- Expired
Links
- 230000003245 working effect Effects 0.000 title 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
- E21D23/0052—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
- E21D23/0004—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
-
- 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
- E21D23/006—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
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)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Tents Or Canopies (AREA)
Abstract
1,037,917. Advancing mine-roof supports. K. M. GROETSCHEL. Jan. 29, 1963 [Jan. 29, 1962; Nov. 10, 1962], No. 20048/64. Divided out of 1,037,911. Heading E1E. The subject matter of the present Specification is the same as that of the parent Specification but the claims differ.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEG34128A DE1289805B (en) | 1962-01-29 | 1962-01-29 | Mechanically retractable face construction unit |
DEG36367A DE1290506B (en) | 1962-11-10 | 1962-11-10 | Traveling extension unit |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1037917A true GB1037917A (en) | 1966-08-03 |
Family
ID=25978389
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB373063A Expired GB1037912A (en) | 1962-01-29 | 1963-01-29 | Improvements relating to roof supports for mine workings |
GB2004864A Expired GB1037917A (en) | 1962-01-29 | 1963-01-29 | Improvements relating to roof supports for mine workings |
GB2005064A Expired GB1037918A (en) | 1962-01-29 | 1963-01-29 | Improvements relating to roof supports for mine workings |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB373063A Expired GB1037912A (en) | 1962-01-29 | 1963-01-29 | Improvements relating to roof supports for mine workings |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2005064A Expired GB1037918A (en) | 1962-01-29 | 1963-01-29 | Improvements relating to roof supports for mine workings |
Country Status (1)
Country | Link |
---|---|
GB (3) | GB1037912A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2461095A1 (en) * | 1979-07-06 | 1981-01-30 | Charbonnages De France | SLIDING CONTINUOUS SUPPORT PORTION WITH LARGE PASSENGER OPENING AND SLIDING HAT |
HU179856B (en) * | 1980-05-06 | 1982-12-28 | Varpalotai Szenbanyak | Apparatus for nining particularly expolating thick seams |
US11040512B2 (en) | 2017-11-08 | 2021-06-22 | Northrop Grumman Systems Corporation | Composite structures, forming apparatuses and related systems and methods |
-
1963
- 1963-01-29 GB GB373063A patent/GB1037912A/en not_active Expired
- 1963-01-29 GB GB2004864A patent/GB1037917A/en not_active Expired
- 1963-01-29 GB GB2005064A patent/GB1037918A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1037918A (en) | 1966-08-03 |
GB1037912A (en) | 1966-08-03 |
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