GB9928300D0 - Compressible support column - Google Patents
Compressible support columnInfo
- Publication number
- GB9928300D0 GB9928300D0 GBGB9928300.4A GB9928300A GB9928300D0 GB 9928300 D0 GB9928300 D0 GB 9928300D0 GB 9928300 A GB9928300 A GB 9928300A GB 9928300 D0 GB9928300 D0 GB 9928300D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- support column
- compressible support
- compressible
- column
- support
- 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.)
- Withdrawn
Links
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
- E21D15/55—Details of the ends of props of prop heads or feet
-
- 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
- E21D15/02—Non-telescopic 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
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/24—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with axial screw-and-nut, rack-and-worm, or like mechanism
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)
- Joining Of Building Structures In Genera (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29205499A | 1999-04-14 | 1999-04-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9928300D0 true GB9928300D0 (en) | 2000-01-26 |
GB2348895A GB2348895A (en) | 2000-10-18 |
Family
ID=23122991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9928300A Withdrawn GB2348895A (en) | 1999-04-14 | 1999-11-30 | Compressible roof support |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU766090B2 (en) |
GB (1) | GB2348895A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2855658B1 (en) * | 2003-05-27 | 2006-03-10 | David Jean Claude Tertre | FIXING OF PARABOLE WITHOUT DRILLING |
CN105927254A (en) * | 2016-06-30 | 2016-09-07 | 北京城建七建设工程有限公司 | Emergency device for collapse of mined tunnel vault and application method |
CN106499420B (en) * | 2016-11-03 | 2019-02-15 | 中国矿业大学 | A kind of mechanically high constant-resistance individual prop installation method and erection method |
CN109973127B (en) * | 2019-04-08 | 2021-06-15 | 绍兴文理学院 | Constant-resistance large-deformation single support |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA745649B (en) * | 1974-09-05 | 1975-12-31 | Mine Support Syst Pty Ltd | Compressible mine support |
-
1999
- 1999-11-30 GB GB9928300A patent/GB2348895A/en not_active Withdrawn
-
2000
- 2000-04-13 AU AU27732/00A patent/AU766090B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
GB2348895A (en) | 2000-10-18 |
AU766090B2 (en) | 2003-10-09 |
AU2773200A (en) | 2000-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |