FR1331567A - Improvement in the assembly of props in piles - Google Patents
Improvement in the assembly of props in pilesInfo
- Publication number
- FR1331567A FR1331567A FR898775A FR898775A FR1331567A FR 1331567 A FR1331567 A FR 1331567A FR 898775 A FR898775 A FR 898775A FR 898775 A FR898775 A FR 898775A FR 1331567 A FR1331567 A FR 1331567A
- Authority
- FR
- France
- Prior art keywords
- props
- piles
- improvement
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR898775A FR1331567A (en) | 1962-05-25 | 1962-05-25 | Improvement in the assembly of props in piles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR898775A FR1331567A (en) | 1962-05-25 | 1962-05-25 | Improvement in the assembly of props in piles |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1331567A true FR1331567A (en) | 1963-07-05 |
Family
ID=8779784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR898775A Expired FR1331567A (en) | 1962-05-25 | 1962-05-25 | Improvement in the assembly of props in piles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1331567A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1223790B (en) * | 1963-06-21 | 1966-09-01 | Dowty Mining Equipment Ltd | Extension frame with two extension frames arranged parallel to each other |
US3418814A (en) * | 1966-03-04 | 1968-12-31 | Karl M. Groetschel | Roof supports for mine workings |
FR2589948A1 (en) * | 1985-11-09 | 1987-05-15 | Gewerk Eisenhuette Westfalia | ARTICULATED CONNECTION FOR COVERING THE INTERSTICE BETWEEN PROTECTIVE SHIELD AND HAT HANGING FROM A SHIELD PILE |
-
1962
- 1962-05-25 FR FR898775A patent/FR1331567A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1223790B (en) * | 1963-06-21 | 1966-09-01 | Dowty Mining Equipment Ltd | Extension frame with two extension frames arranged parallel to each other |
US3418814A (en) * | 1966-03-04 | 1968-12-31 | Karl M. Groetschel | Roof supports for mine workings |
FR2589948A1 (en) * | 1985-11-09 | 1987-05-15 | Gewerk Eisenhuette Westfalia | ARTICULATED CONNECTION FOR COVERING THE INTERSTICE BETWEEN PROTECTIVE SHIELD AND HAT HANGING FROM A SHIELD PILE |
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