GB1038453A - Improvements in or relating to mine roof supports - Google Patents
Improvements in or relating to mine roof supportsInfo
- Publication number
- GB1038453A GB1038453A GB1938862A GB1938862A GB1038453A GB 1038453 A GB1038453 A GB 1038453A GB 1938862 A GB1938862 A GB 1938862A GB 1938862 A GB1938862 A GB 1938862A GB 1038453 A GB1038453 A GB 1038453A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- mine roof
- roof supports
- prop
- cap
- 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
- 230000014759 maintenance of location Effects 0.000 abstract 1
Classifications
-
- 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
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
1,038,453. Hydraulic pit props. W. E. & F. DOBSON Ltd. May 9, 1963 [May 19, 1962], No. 19388/62. Heading E1E. The roof or base cap 1 of an hydraulic pit prop is provided with renewable spike projections in the form of inserts 6 together with serrations formed by triangular sectioned annular ribs 5. The cap is positioned on the prop by means of retention screws or is tiltably mounted thereon, see Fig. 7 (not shown).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1938862A GB1038453A (en) | 1962-05-19 | 1962-05-19 | Improvements in or relating to mine roof supports |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1938862A GB1038453A (en) | 1962-05-19 | 1962-05-19 | Improvements in or relating to mine roof supports |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1038453A true GB1038453A (en) | 1966-08-10 |
Family
ID=10128529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1938862A Expired GB1038453A (en) | 1962-05-19 | 1962-05-19 | Improvements in or relating to mine roof supports |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1038453A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4073454A (en) * | 1976-07-26 | 1978-02-14 | Sauber Charles J | Outrigger pad |
US4572480A (en) * | 1982-12-07 | 1986-02-25 | Rochumer Eisenhuette Heintzmann GmbH & Co. KG | Hydraulic prop |
CN102337909A (en) * | 2010-07-16 | 2012-02-01 | 李泽宇 | Socket |
-
1962
- 1962-05-19 GB GB1938862A patent/GB1038453A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4073454A (en) * | 1976-07-26 | 1978-02-14 | Sauber Charles J | Outrigger pad |
US4572480A (en) * | 1982-12-07 | 1986-02-25 | Rochumer Eisenhuette Heintzmann GmbH & Co. KG | Hydraulic prop |
CN102337909A (en) * | 2010-07-16 | 2012-02-01 | 李泽宇 | Socket |
CN102337909B (en) * | 2010-07-16 | 2015-03-25 | 李泽宇 | Socket |
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