CA839498A - Mine roof support assembly - Google Patents
Mine roof support assemblyInfo
- Publication number
- CA839498A CA839498A CA839498A CA839498DA CA839498A CA 839498 A CA839498 A CA 839498A CA 839498 A CA839498 A CA 839498A CA 839498D A CA839498D A CA 839498DA CA 839498 A CA839498 A CA 839498A
- Authority
- CA
- Canada
- Prior art keywords
- support assembly
- roof support
- mine roof
- mine
- assembly
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA839498T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA839498A true CA839498A (en) | 1970-04-21 |
Family
ID=36323698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA839498A Expired CA839498A (en) | Mine roof support assembly |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA839498A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921409A (en) * | 1974-02-15 | 1975-11-25 | Bochumer Eisen Heintzmann | Support for the roof of an excavation |
US4324509A (en) * | 1979-05-23 | 1982-04-13 | Kozponti Banyaszati Fejlesztesi Intezet | Mechanized longwall system for mining |
-
0
- CA CA839498A patent/CA839498A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3921409A (en) * | 1974-02-15 | 1975-11-25 | Bochumer Eisen Heintzmann | Support for the roof of an excavation |
US4324509A (en) * | 1979-05-23 | 1982-04-13 | Kozponti Banyaszati Fejlesztesi Intezet | Mechanized longwall system for mining |
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