ZA806944B - Yieldable support units - Google Patents
Yieldable support unitsInfo
- Publication number
- ZA806944B ZA806944B ZA00806944A ZA806944A ZA806944B ZA 806944 B ZA806944 B ZA 806944B ZA 00806944 A ZA00806944 A ZA 00806944A ZA 806944 A ZA806944 A ZA 806944A ZA 806944 B ZA806944 B ZA 806944B
- Authority
- ZA
- South Africa
- Prior art keywords
- support units
- yieldable support
- yieldable
- units
- support
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA00806944A ZA806944B (en) | 1979-11-19 | 1980-11-10 | Yieldable support units |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA796221 | 1979-11-19 | ||
ZA00806944A ZA806944B (en) | 1979-11-19 | 1980-11-10 | Yieldable support units |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA806944B true ZA806944B (en) | 1981-11-25 |
Family
ID=27131806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00806944A ZA806944B (en) | 1979-11-19 | 1980-11-10 | Yieldable support units |
Country Status (1)
Country | Link |
---|---|
ZA (1) | ZA806944B (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 |
-
1980
- 1980-11-10 ZA ZA00806944A patent/ZA806944B/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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