BE662707A - - Google Patents
Info
- Publication number
- BE662707A BE662707A BE662707DA BE662707A BE 662707 A BE662707 A BE 662707A BE 662707D A BE662707D A BE 662707DA BE 662707 A BE662707 A BE 662707A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
- Bridges Or Land Bridges (AREA)
- Escalators And Moving Walkways (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG40402A DE1200233B (en) | 1964-04-21 | 1964-04-21 | Walking hydraulic pit support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE662707A true BE662707A (en) | 1965-10-20 |
Family
ID=7126405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE662707D BE662707A (en) | 1964-04-21 | 1965-04-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3344610A (en) |
| AT (1) | AT257512B (en) |
| BE (1) | BE662707A (en) |
| DE (1) | DE1200233B (en) |
| GB (1) | GB1100140A (en) |
| NL (1) | NL6503462A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1224247B (en) * | 1965-10-08 | 1966-09-08 | Hoesch Bergbautechnik G M B H | Striding extension team with support springs and connecting springs |
| DE2222801A1 (en) * | 1972-05-10 | 1973-11-22 | Gewerk Eisenhuette Westfalia | PROGRESSIVE EXPANSION FOR EXTRACTION PLANTS AND PROCESSES FOR THE DISMANTLING OF STORAGE FACILITIES, IN PARTICULAR IN BRIEF WITH EXTRACTING MACHINE IN FRONT OF THE HEAD |
| DE2507319B2 (en) * | 1975-01-11 | 1977-06-08 | Thyssen Industrie Ag, 4300 Essen | SHIELD STRUCTURE |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE625684A (en) * | ||||
| DE925222C (en) * | 1952-09-11 | 1955-03-17 | Glueckauf Guenther Klerner Mas | Device for laying face conveyors |
| DE1087098B (en) * | 1956-01-27 | 1960-08-18 | Gewerk Eisenhuette Westfalia | Progressive expansion for mining operations |
| US3106825A (en) * | 1959-06-09 | 1963-10-15 | Raheinstahl Wanheim G M B H | Mining apparatus and advancing means therefor |
| DE1150342B (en) * | 1960-07-21 | 1963-06-20 | Hemscheidt Maschf Hermann | Hydraulic expansion team for expansion underground |
| DE1126821B (en) * | 1961-07-19 | 1962-04-05 | Hemscheidt Maschf Hermann | Expansion team for steep storage |
| DE1158023B (en) * | 1962-12-11 | 1963-11-28 | Hemscheidt Maschf Hermann | Expansion team |
-
1964
- 1964-04-21 DE DEG40402A patent/DE1200233B/en active Pending
-
1965
- 1965-02-11 AT AT123465A patent/AT257512B/en active
- 1965-03-18 NL NL6503462A patent/NL6503462A/xx unknown
- 1965-04-13 US US447762A patent/US3344610A/en not_active Expired - Lifetime
- 1965-04-20 GB GB16525/65A patent/GB1100140A/en not_active Expired
- 1965-04-20 BE BE662707D patent/BE662707A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3344610A (en) | 1967-10-03 |
| DE1200233B (en) | 1965-09-09 |
| GB1100140A (en) | 1968-01-24 |
| NL6503462A (en) | 1965-10-22 |
| AT257512B (en) | 1967-10-10 |