CA1074586A - Supports de plafond de mine - Google Patents
Supports de plafond de mineInfo
- Publication number
- CA1074586A CA1074586A CA294,434A CA294434A CA1074586A CA 1074586 A CA1074586 A CA 1074586A CA 294434 A CA294434 A CA 294434A CA 1074586 A CA1074586 A CA 1074586A
- Authority
- CA
- Canada
- Prior art keywords
- links
- support
- base member
- mine roof
- chock
- 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
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA294,434A CA1074586A (fr) | 1978-01-05 | 1978-01-05 | Supports de plafond de mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA294,434A CA1074586A (fr) | 1978-01-05 | 1978-01-05 | Supports de plafond de mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1074586A true CA1074586A (fr) | 1980-04-01 |
Family
ID=4110463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA294,434A Expired CA1074586A (fr) | 1978-01-05 | 1978-01-05 | Supports de plafond de mine |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1074586A (fr) |
-
1978
- 1978-01-05 CA CA294,434A patent/CA1074586A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |