FR2414118B1 - - Google Patents
Info
- Publication number
- FR2414118B1 FR2414118B1 FR7836078A FR7836078A FR2414118B1 FR 2414118 B1 FR2414118 B1 FR 2414118B1 FR 7836078 A FR7836078 A FR 7836078A FR 7836078 A FR7836078 A FR 7836078A FR 2414118 B1 FR2414118 B1 FR 2414118B1
- 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
- E21D23/0004—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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/07—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of multiple interengaging protrusions on the surfaces, e.g. hooks, coils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/69—Redundant disconnection blocking means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7045—Interdigitated ends
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Connection Of Plates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782800376 DE2800376A1 (de) | 1978-01-05 | 1978-01-05 | Liegendkufe fuer ein ausbaugestell einer untertaegigen mineralgewinnungsanlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2414118A1 FR2414118A1 (fr) | 1979-08-03 |
| FR2414118B1 true FR2414118B1 (US07345094-20080318-C00003.png) | 1983-03-04 |
Family
ID=6028996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7836078A Granted FR2414118A1 (fr) | 1978-01-05 | 1978-12-22 | Semelle pour chassis de soutenement d'exploitation d'abattage de mineraux au fond |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4266891A (US07345094-20080318-C00003.png) |
| DE (1) | DE2800376A1 (US07345094-20080318-C00003.png) |
| FR (1) | FR2414118A1 (US07345094-20080318-C00003.png) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3150127C1 (de) * | 1981-12-18 | 1983-05-05 | Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum | Wannenartiger Befahrungsbuegel |
| US5156497A (en) * | 1991-11-25 | 1992-10-20 | Simmons-Rand Company | Temporary roof support for mines |
| US5312206A (en) * | 1991-11-25 | 1994-05-17 | Long-Airdox Company | High lift temporary roof support for mines |
| CN105240039A (zh) * | 2015-10-29 | 2016-01-13 | 中国矿业大学 | 浮摇式液压支架 |
| CN105221177B (zh) * | 2015-10-29 | 2018-11-16 | 中国矿业大学 | 四柱浮摇式液压支架 |
| CN109838265B (zh) * | 2019-03-18 | 2024-04-02 | 中国矿业大学 | 一种沿空留巷端头支架迁移时保护顶板托盘的装置 |
| CN112127929B (zh) * | 2020-09-20 | 2022-05-13 | 内蒙古福城矿业有限公司 | 一种近距离采空区下含夹矸厚煤层综放开采顶煤回收装置及其实现方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2483032A (en) * | 1945-06-06 | 1949-09-27 | Electric Steel Foundry | Excavating tooth |
| DE1033613B (de) * | 1946-07-23 | 1958-07-10 | Dipl Berging Karl Maria Groets | Schloss von gelenkig miteinander verbundenen Schaleisen fuer den wanderden Strebausbau |
| US2991097A (en) * | 1948-07-08 | 1961-07-04 | Vanwersch Aloys | Connecting structure for beams of a roof support or the like |
| DE2257828C2 (de) * | 1972-11-25 | 1974-01-17 | Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum | Vorrichtung zum schildartigen Ausbau von untertägigen Gewinnungsbetrieben |
| DE2331309B2 (de) * | 1973-06-20 | 1975-04-24 | Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum | Schildausbaugestell mit Führungsvorrichtung |
| GB1504883A (en) * | 1974-06-04 | 1978-03-22 | Gullick Dobson Ltd | Mine roof supports |
| US3961487A (en) * | 1974-11-09 | 1976-06-08 | Bochumer Eisenhutte Heintzmonn, & Co. | Mine roof support |
| GB1516851A (en) * | 1975-04-04 | 1978-07-05 | Gullick Dobson Ltd | Mine roof supports |
-
1978
- 1978-01-05 DE DE19782800376 patent/DE2800376A1/de not_active Withdrawn
- 1978-12-22 FR FR7836078A patent/FR2414118A1/fr active Granted
- 1978-12-29 US US05/974,538 patent/US4266891A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2414118A1 (fr) | 1979-08-03 |
| US4266891A (en) | 1981-05-12 |
| DE2800376A1 (de) | 1979-07-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |