CA1216434A - Elongate mine prop - Google Patents
Elongate mine propInfo
- Publication number
- CA1216434A CA1216434A CA000452624A CA452624A CA1216434A CA 1216434 A CA1216434 A CA 1216434A CA 000452624 A CA000452624 A CA 000452624A CA 452624 A CA452624 A CA 452624A CA 1216434 A CA1216434 A CA 1216434A
- Authority
- CA
- Canada
- Prior art keywords
- mine prop
- groove
- prop
- timber
- grooves
- 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
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000002023 wood Substances 0.000 description 2
- 241001176357 Imber Species 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 241000353097 Molva molva Species 0.000 description 1
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- E21D15/02—Non-telescopic 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)
- Rod-Shaped Construction Members (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA826225 | 1982-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1216434A true CA1216434A (en) | 1987-01-13 |
Family
ID=25576240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000452624A Expired CA1216434A (en) | 1982-08-26 | 1984-04-24 | Elongate mine prop |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0160133A1 (enExample) |
| AU (1) | AU575047B2 (enExample) |
| CA (1) | CA1216434A (enExample) |
| ZA (1) | ZA838848B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZW16784A1 (en) * | 1983-10-14 | 1985-02-27 | Bestobell South Africa Ltd | Elongate mine support |
| US6910834B2 (en) | 2003-05-27 | 2005-06-28 | Burrell Mining Products, Inc. | Mine prop |
| US8851805B2 (en) | 2012-08-30 | 2014-10-07 | Burrell Mining Products, Inc. | Telescopic mine roof support |
| US9903203B2 (en) | 2014-08-27 | 2018-02-27 | Burrell Mining Products, Inc. | Ventilated mine roof support |
| US9611738B2 (en) | 2014-08-27 | 2017-04-04 | Burrell Mining Products, Inc. | Ventilated mine roof support |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB118969A (en) * | 1918-01-05 | 1918-09-19 | Mark Fryar | Improvements in Pit Props. |
| GB2080364A (en) * | 1980-07-22 | 1982-02-03 | Hunt Leuchars & Hepburn Ltd | Mine support prop |
| GB2081340B (en) * | 1980-07-22 | 1984-07-25 | Brown Allan Henry George | Deformable mine prop |
| GB2149440A (en) * | 1983-08-25 | 1985-06-12 | Botha Raymond Berkley | Mine prop |
-
1983
- 1983-11-28 ZA ZA838848A patent/ZA838848B/xx unknown
-
1984
- 1984-04-24 CA CA000452624A patent/CA1216434A/en not_active Expired
- 1984-04-24 AU AU27204/84A patent/AU575047B2/en not_active Ceased
- 1984-04-25 EP EP84302769A patent/EP0160133A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AU2720484A (en) | 1985-10-31 |
| EP0160133A1 (en) | 1985-11-06 |
| ZA838848B (enExample) | 1984-08-29 |
| AU575047B2 (en) | 1988-07-21 |
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| Sherman | Tubular members | |
| Ronalds et al. | Collision resistance of orthogonally stiffened shell structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |