FR2266794B1 - - Google Patents
Info
- Publication number
- FR2266794B1 FR2266794B1 FR7507621A FR7507621A FR2266794B1 FR 2266794 B1 FR2266794 B1 FR 2266794B1 FR 7507621 A FR7507621 A FR 7507621A FR 7507621 A FR7507621 A FR 7507621A FR 2266794 B1 FR2266794 B1 FR 2266794B1
- 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
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/06—Equipment for positioning the whole machine in relation to its sub-structure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/08—Guiding the machine
- E21C35/12—Guiding the machine along a conveyor for the cut material
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Control Of Velocity Or Acceleration (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1524674A GB1450357A (en) | 1974-04-05 | 1974-04-05 | Mining machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2266794A1 FR2266794A1 (US07122547-20061017-C00002.png) | 1975-10-31 |
| FR2266794B1 true FR2266794B1 (US07122547-20061017-C00002.png) | 1979-03-09 |
Family
ID=10055664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7507621A Expired FR2266794B1 (US07122547-20061017-C00002.png) | 1974-04-05 | 1975-03-11 |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT380925B (de) * | 1984-07-16 | 1986-07-25 | Voest Alpine Ag | Einrichtung zum schraemen von ausbruechen mit im wesentlichen ebener abbaufront |
| DE19844052C1 (de) * | 1998-09-25 | 2000-09-28 | Dbt Gmbh | Führungsanordnung für eine Walzenschrämmaschine |
| DE102009030130B9 (de) * | 2009-06-24 | 2011-06-09 | Rag Aktiengesellschaft | Verfahren zur automatisierten Herstellung einer definierten Streböffnung durch neigungsgestützte Radarnavigation der Walze bei einem Walzenschrämlader und eine Vorrichtung hierfür |
| US8789892B2 (en) | 2010-10-29 | 2014-07-29 | Joy Mm Delaware, Inc. | Drive mechanism for a longwall mining machine |
| US8979211B2 (en) | 2011-10-14 | 2015-03-17 | Solvay Chemicals, Inc. | Demountable pin and collet assembly and method to securely fasten a ranging arm to a longwall shearer using such assembly |
| US11761333B2 (en) * | 2020-11-16 | 2023-09-19 | Joy Global Underground Mining Llc | Cutting assembly for longwall mining system |
| WO2022104193A1 (en) | 2020-11-16 | 2022-05-19 | Joy Global Underground Mining Llc | Cutting assembly for longwall mining system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1400211A (fr) * | 1964-07-06 | 1965-05-21 | Salzgitter Maschinen Ag | Haveuse de montages ou de chambres de machines dans les mines de charbon |
| GB1388291A (en) * | 1972-04-21 | 1975-03-26 | Anderson Mavor Ltd | Mineral mining machine having steering means |
-
1974
- 1974-04-05 GB GB1524674A patent/GB1450357A/en not_active Expired
-
1975
- 1975-02-10 US US05/548,785 patent/US3954299A/en not_active Expired - Lifetime
- 1975-03-11 BE BE154234A patent/BE826556A/xx unknown
- 1975-03-11 FR FR7507621A patent/FR2266794B1/fr not_active Expired
- 1975-03-22 DE DE19752512855 patent/DE2512855A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE826556A (fr) | 1975-09-11 |
| US3954299A (en) | 1976-05-04 |
| GB1450357A (en) | 1976-09-22 |
| FR2266794A1 (US07122547-20061017-C00002.png) | 1975-10-31 |
| DE2512855A1 (de) | 1975-10-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |