BE661244A - - Google Patents
Info
- Publication number
- BE661244A BE661244A BE661244DA BE661244A BE 661244 A BE661244 A BE 661244A BE 661244D A BE661244D A BE 661244DA BE 661244 A BE661244 A BE 661244A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0418—Positioning devices and stabilizing means for the props
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0040143 | 1964-03-19 | ||
| DEG40855A DE1230746B (en) | 1964-06-13 | 1964-06-13 | Hydraulic longwall frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE661244A true BE661244A (en) | 1965-09-17 |
Family
ID=25978594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE661244D BE661244A (en) | 1964-03-19 | 1965-03-17 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE661244A (en) |
| GB (1) | GB1104428A (en) |
| NL (1) | NL6503413A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20307907U1 (en) * | 2003-05-19 | 2003-07-17 | Dbt Gmbh | lifting cylinder |
| DE202004012138U1 (en) | 2004-08-02 | 2004-10-07 | Dbt Gmbh | Stamp head storage between cap and stamp of a shield removal frame |
| CN109538264A (en) * | 2019-01-10 | 2019-03-29 | 江苏中贵重工有限公司 | A kind of suspension device |
| CN112282816B (en) * | 2020-10-28 | 2022-08-12 | 贵州理工学院 | Roadway support device capable of being deployed rapidly |
-
1965
- 1965-03-17 BE BE661244D patent/BE661244A/xx unknown
- 1965-03-17 NL NL6503413A patent/NL6503413A/xx unknown
- 1965-03-18 GB GB1151965A patent/GB1104428A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6503413A (en) | 1965-09-20 |
| GB1104428A (en) | 1968-02-28 |