FR2338375B1 - - Google Patents
Info
- Publication number
- FR2338375B1 FR2338375B1 FR7636054A FR7636054A FR2338375B1 FR 2338375 B1 FR2338375 B1 FR 2338375B1 FR 7636054 A FR7636054 A FR 7636054A FR 7636054 A FR7636054 A FR 7636054A FR 2338375 B1 FR2338375 B1 FR 2338375B1
- Authority
- FR
- France
- 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
-
- 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
- E21D23/0034—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 comprising a goaf shield articulated to a base member
- E21D23/0039—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 comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
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)
- Tents Or Canopies (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762601341 DE2601341A1 (de) | 1976-01-15 | 1976-01-15 | Ausbaueinheit fuer untertaegige strebbetriebe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2338375A1 FR2338375A1 (fr) | 1977-08-12 |
| FR2338375B1 true FR2338375B1 (enExample) | 1982-07-23 |
Family
ID=5967517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7636054A Granted FR2338375A1 (fr) | 1976-01-15 | 1976-11-30 | Unite de soutenement pour chantiers d'abattage souterrains |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4056941A (enExample) |
| DE (1) | DE2601341A1 (enExample) |
| FR (1) | FR2338375A1 (enExample) |
| HU (1) | HU175104B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT350991B (de) * | 1977-11-14 | 1979-06-25 | Voest Ag | Schildausbaugestell |
| DE2827431C2 (de) * | 1978-06-22 | 1986-08-07 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Ausbauschild |
| DE2843857C2 (de) * | 1978-10-07 | 1986-06-19 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | Schildausbaugestell |
| GB2191236B (en) * | 1986-06-04 | 1990-04-04 | Gullick Dobson Ltd | Mine roof supports |
| DE8620900U1 (de) * | 1986-08-04 | 1986-10-16 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Ausbaueinheit für untertägigen Strebausbau |
| US5824738A (en) | 1994-10-07 | 1998-10-20 | Davidson Textron Inc. | Light stable aliphatic thermoplastic urethane elastomers and method of making same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1093395A (en) * | 1964-05-11 | 1967-11-29 | Gewerk Eisenhuette Westfalia | Advancing hydraulic support assembly |
| DE1267641B (de) * | 1966-03-05 | 1968-05-09 | Hansjoachim Von Hippel Dr Ing | Unter Last rueckbarer Stempelausbau |
| DE2153496C3 (de) * | 1971-10-27 | 1978-12-14 | Thyssen Industrie Ag, 4300 Essen | Schreitendes Strebausbaugestell |
| DE2159740A1 (de) * | 1971-12-02 | 1973-06-07 | Krupp Gmbh | Verfahren und vorrichtung zum montieren von schienenfahrwerken, insbesondere fuer laufkraene oder laufkatzen |
| DE2246745C2 (de) * | 1972-09-22 | 1974-03-07 | Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum | Rückbare Schildausbaueinheit |
| GB1517763A (en) * | 1974-07-02 | 1978-07-12 | Winkler J | Underground mine roof support |
-
1976
- 1976-01-15 DE DE19762601341 patent/DE2601341A1/de not_active Withdrawn
- 1976-11-30 FR FR7636054A patent/FR2338375A1/fr active Granted
-
1977
- 1977-01-10 US US05/758,303 patent/US4056941A/en not_active Expired - Lifetime
- 1977-01-13 HU HU77KO2838A patent/HU175104B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4056941A (en) | 1977-11-08 |
| HU175104B (hu) | 1980-05-28 |
| DE2601341A1 (de) | 1977-07-28 |
| FR2338375A1 (fr) | 1977-08-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |