FR1368750A - Perfectionnement aux piles de soutènement - Google Patents
Perfectionnement aux piles de soutènementInfo
- Publication number
- FR1368750A FR1368750A FR922144A FR922144A FR1368750A FR 1368750 A FR1368750 A FR 1368750A FR 922144 A FR922144 A FR 922144A FR 922144 A FR922144 A FR 922144A FR 1368750 A FR1368750 A FR 1368750A
- Authority
- FR
- France
- Prior art keywords
- improvement
- support piles
- piles
- support
- 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
-
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0017—Pile type supports
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR922144A FR1368750A (fr) | 1963-01-22 | 1963-01-22 | Perfectionnement aux piles de soutènement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR922144A FR1368750A (fr) | 1963-01-22 | 1963-01-22 | Perfectionnement aux piles de soutènement |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1368750A true FR1368750A (fr) | 1964-08-07 |
Family
ID=8795188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR922144A Expired FR1368750A (fr) | 1963-01-22 | 1963-01-22 | Perfectionnement aux piles de soutènement |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1368750A (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3364683A (en) * | 1964-03-31 | 1968-01-23 | Dowty Mining Equipment Ltd | Advanceable roof support suitable for use in mines |
DE1272858B (de) * | 1966-09-07 | 1968-07-18 | Gewerk Eisenhuette Westfalia | Mit einem Foerdermittel verbundener Ausbaubock |
DE1278978B (de) * | 1965-01-15 | 1968-10-03 | Gullick Ltd | Wanderndes Ausbauelement fuer untertaegige Grubenbetriebe |
DE1281979B (de) * | 1967-01-12 | 1968-11-07 | Gewerk Eisenhuette Westfalia | Schreitendes hydraulisches Ausbaugestell |
DE1758697B1 (de) * | 1967-07-25 | 1971-05-13 | Georges Alacchi | Schreitender hydraulischer Strebausbau |
US3748861A (en) * | 1971-06-16 | 1973-07-31 | Groetschel Karl Maria | Mine roof support with means for lifting the base elements |
US4065931A (en) * | 1976-05-21 | 1978-01-03 | Bochumer Eisenhutte Heintzmann Gmbh & Co. | Guiding arrangement for underground excavating systems |
-
1963
- 1963-01-22 FR FR922144A patent/FR1368750A/fr not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3364683A (en) * | 1964-03-31 | 1968-01-23 | Dowty Mining Equipment Ltd | Advanceable roof support suitable for use in mines |
DE1278978B (de) * | 1965-01-15 | 1968-10-03 | Gullick Ltd | Wanderndes Ausbauelement fuer untertaegige Grubenbetriebe |
DE1272858B (de) * | 1966-09-07 | 1968-07-18 | Gewerk Eisenhuette Westfalia | Mit einem Foerdermittel verbundener Ausbaubock |
DE1281979B (de) * | 1967-01-12 | 1968-11-07 | Gewerk Eisenhuette Westfalia | Schreitendes hydraulisches Ausbaugestell |
DE1758697B1 (de) * | 1967-07-25 | 1971-05-13 | Georges Alacchi | Schreitender hydraulischer Strebausbau |
US3748861A (en) * | 1971-06-16 | 1973-07-31 | Groetschel Karl Maria | Mine roof support with means for lifting the base elements |
US4065931A (en) * | 1976-05-21 | 1978-01-03 | Bochumer Eisenhutte Heintzmann Gmbh & Co. | Guiding arrangement for underground excavating systems |
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