GB1001411A - Roof supports suitable for use in mines - Google Patents
Roof supports suitable for use in minesInfo
- Publication number
- GB1001411A GB1001411A GB3183760A GB3183760A GB1001411A GB 1001411 A GB1001411 A GB 1001411A GB 3183760 A GB3183760 A GB 3183760A GB 3183760 A GB3183760 A GB 3183760A GB 1001411 A GB1001411 A GB 1001411A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sept
- roof supports
- mines
- mine roof
- supports suitable
- 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
- 238000005065 mining Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/545—Details of the ends of props hydraulic or pneumatic
-
- 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
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)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
1,001,411. Mine roof supports. DOWTY MINING EQUIPMENT Ltd. Sept. 14, 1961 [Sept. 15, 1960], No. 31837/60. Heading E1E. A mine roof support consisting of roof and floor bars mounted for tilting movement on at least two telescopic props 12 is provided with a biasing device such as an hydraulic jack 33 or an eccentrically disposed rubber ring, see Fig. 3 (not shown), for acting in the plans of the unit against a prop at a point above its lower pivoted joint 21, 22. The jack 33 is controlled by a valve 28 having a control shaft 29. Specification 1,001,412 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3183760A GB1001411A (en) | 1960-09-15 | 1960-09-15 | Roof supports suitable for use in mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3183760A GB1001411A (en) | 1960-09-15 | 1960-09-15 | Roof supports suitable for use in mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1001411A true GB1001411A (en) | 1965-08-18 |
Family
ID=10329142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3183760A Expired GB1001411A (en) | 1960-09-15 | 1960-09-15 | Roof supports suitable for use in mines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1001411A (en) |
Cited By (9)
| 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 |
| DE1257720B (en) * | 1966-02-17 | 1968-01-04 | Bergwerksverband Gmbh | Control for a moving extension frame |
| DE1259281B (en) * | 1966-05-21 | 1968-01-25 | Gewerk Eisenhuette Westfalia | Hydraulic mobile support frame |
| DE1260414B (en) * | 1966-04-16 | 1968-02-08 | Bergwerksverband Gmbh | Control for a moving extension frame |
| DE1276578B (en) * | 1967-02-11 | 1968-09-05 | Bergwerksverband Gmbh | Control for a moving extension frame |
| US3418814A (en) * | 1966-03-04 | 1968-12-31 | Karl M. Groetschel | Roof supports for mine workings |
| DE1801564B1 (en) * | 1968-09-05 | 1970-07-30 | Becorit Grubenausbau Gmbh | Hydraulic straightening device for one or more punches of a pit lining element |
| DE1937308A1 (en) * | 1969-07-23 | 1971-02-11 | Gewerk Eisenhuette Westfalia | In particular, a wandering extension element for underground mining operations provided with an offset shield |
| CN111852070A (en) * | 2020-08-03 | 2020-10-30 | 西安科技大学 | Supporting and reinforcing structure and method for irregular cave top of ancient cave |
-
1960
- 1960-09-15 GB GB3183760A patent/GB1001411A/en not_active Expired
Cited By (10)
| 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 |
| DE1257720B (en) * | 1966-02-17 | 1968-01-04 | Bergwerksverband Gmbh | Control for a moving extension frame |
| US3418814A (en) * | 1966-03-04 | 1968-12-31 | Karl M. Groetschel | Roof supports for mine workings |
| DE1260414B (en) * | 1966-04-16 | 1968-02-08 | Bergwerksverband Gmbh | Control for a moving extension frame |
| DE1259281B (en) * | 1966-05-21 | 1968-01-25 | Gewerk Eisenhuette Westfalia | Hydraulic mobile support frame |
| DE1276578B (en) * | 1967-02-11 | 1968-09-05 | Bergwerksverband Gmbh | Control for a moving extension frame |
| DE1276578C2 (en) * | 1967-02-11 | 1973-07-19 | Bergwerksverband Gmbh | Control for a moving expansion frame |
| DE1801564B1 (en) * | 1968-09-05 | 1970-07-30 | Becorit Grubenausbau Gmbh | Hydraulic straightening device for one or more punches of a pit lining element |
| DE1937308A1 (en) * | 1969-07-23 | 1971-02-11 | Gewerk Eisenhuette Westfalia | In particular, a wandering extension element for underground mining operations provided with an offset shield |
| CN111852070A (en) * | 2020-08-03 | 2020-10-30 | 西安科技大学 | Supporting and reinforcing structure and method for irregular cave top of ancient cave |
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