ZA763597B - Improvements in or relating to yieldable pit props - Google Patents
Improvements in or relating to yieldable pit propsInfo
- Publication number
- ZA763597B ZA763597B ZA763597A ZA763597A ZA763597B ZA 763597 B ZA763597 B ZA 763597B ZA 763597 A ZA763597 A ZA 763597A ZA 763597 A ZA763597 A ZA 763597A ZA 763597 B ZA763597 B ZA 763597B
- Authority
- ZA
- South Africa
- Prior art keywords
- yieldable
- relating
- pit props
- props
- pit
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA763597A ZA763597B (en) | 1976-06-17 | 1976-06-17 | Improvements in or relating to yieldable pit props |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA763597A ZA763597B (en) | 1976-06-17 | 1976-06-17 | Improvements in or relating to yieldable pit props |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA763597B true ZA763597B (en) | 1977-09-28 |
Family
ID=25570409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA763597A ZA763597B (en) | 1976-06-17 | 1976-06-17 | Improvements in or relating to yieldable pit props |
Country Status (1)
Country | Link |
---|---|
ZA (1) | ZA763597B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9347316B2 (en) | 2012-08-30 | 2016-05-24 | Burrell Mining Products, Inc. | Telescopic mine roof support |
US9611738B2 (en) | 2014-08-27 | 2017-04-04 | Burrell Mining Products, Inc. | Ventilated mine roof support |
US9903203B2 (en) | 2014-08-27 | 2018-02-27 | Burrell Mining Products, Inc. | Ventilated mine roof support |
-
1976
- 1976-06-17 ZA ZA763597A patent/ZA763597B/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9347316B2 (en) | 2012-08-30 | 2016-05-24 | Burrell Mining Products, Inc. | Telescopic mine roof support |
US9611738B2 (en) | 2014-08-27 | 2017-04-04 | Burrell Mining Products, Inc. | Ventilated mine roof support |
US9903203B2 (en) | 2014-08-27 | 2018-02-27 | Burrell Mining Products, Inc. | Ventilated mine roof support |
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