ZA804722B - Mine roof plate - Google Patents
Mine roof plateInfo
- Publication number
- ZA804722B ZA804722B ZA00804722A ZA804722A ZA804722B ZA 804722 B ZA804722 B ZA 804722B ZA 00804722 A ZA00804722 A ZA 00804722A ZA 804722 A ZA804722 A ZA 804722A ZA 804722 B ZA804722 B ZA 804722B
- Authority
- ZA
- South Africa
- Prior art keywords
- roof plate
- mine roof
- mine
- plate
- roof
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/0086—Bearing plates
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Rock Bolts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9983679A | 1979-12-03 | 1979-12-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA804722B true ZA804722B (en) | 1981-07-29 |
Family
ID=22276846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00804722A ZA804722B (en) | 1979-12-03 | 1980-08-04 | Mine roof plate |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5681798A (en) |
AU (1) | AU537481B2 (en) |
CA (1) | CA1161675A (en) |
FR (1) | FR2470852A1 (en) |
ZA (1) | ZA804722B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0922611A (en) * | 1994-12-21 | 1997-01-21 | Mitsuru Kusanagi | Manufacture of luminaire using bark of wild cherry tree |
US20060285929A1 (en) * | 2005-06-16 | 2006-12-21 | Valgora George G | Bearing plate having tab |
JP6887358B2 (en) * | 2017-10-02 | 2021-06-16 | 日鉄建材株式会社 | Pressure receiving member of earth and sand structure, reinforcement structure of earth and sand structure, and reinforcement method of earth and sand structure |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2748594A (en) * | 1952-11-04 | 1956-06-05 | Lukens Steel Co | Roof bolt |
US4112693A (en) * | 1976-09-30 | 1978-09-12 | Kaiser Steel Corporation | Mine roof support plate |
-
1980
- 1980-08-04 AU AU61051/80A patent/AU537481B2/en not_active Expired
- 1980-08-04 ZA ZA00804722A patent/ZA804722B/en unknown
- 1980-08-05 CA CA000357632A patent/CA1161675A/en not_active Expired
- 1980-09-10 JP JP12475380A patent/JPS5681798A/en active Pending
- 1980-11-27 FR FR8025193A patent/FR2470852A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
AU537481B2 (en) | 1984-06-28 |
AU6105180A (en) | 1981-06-11 |
FR2470852B1 (en) | 1984-11-23 |
JPS5681798A (en) | 1981-07-04 |
FR2470852A1 (en) | 1981-06-12 |
CA1161675A (en) | 1984-02-07 |
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