CS166211B2 - - Google Patents
Info
- Publication number
- CS166211B2 CS166211B2 CS4132A CS413263A CS166211B2 CS 166211 B2 CS166211 B2 CS 166211B2 CS 4132 A CS4132 A CS 4132A CS 413263 A CS413263 A CS 413263A CS 166211 B2 CS166211 B2 CS 166211B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/14—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate with equipment for cleaning the slit
- E21C25/145—Cowls
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)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB28029/62A GB1039658A (en) | 1962-07-20 | 1962-07-20 | Improvements in longwall mining machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS166211B2 true CS166211B2 (en:Method) | 1976-02-27 |
Family
ID=10269117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS4132A CS166211B2 (en:Method) | 1962-07-20 | 1963-07-17 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3291533A (en:Method) |
| CS (1) | CS166211B2 (en:Method) |
| DE (1) | DE1221588B (en:Method) |
| GB (1) | GB1039658A (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1259279B (de) * | 1966-11-23 | 1968-01-25 | Eickhoff Geb | Schwenkvorrichtung fuer Walzenschraemmaschinen, insbesondere fuer ein um eine Schraemwalzenachse schwenkbares Raeumblech |
| DE1758809A1 (de) * | 1968-08-10 | 1971-02-25 | Eichoff Maschinenfabrik Und Ei | Walzenschraemmaschine mit an einem schwenkbaren Tragarm gelagerter,um eine waagerechte Achse umlaufender Schraemwalze,die mit einem um die Walzenachse schwenkbaren Raeumschild ausgeruestet ist |
| US3524680A (en) * | 1968-10-22 | 1970-08-18 | Letcher T White | Mining machine having spiral cutters with scavenger board |
| GB1432876A (en) * | 1973-07-11 | 1976-04-22 | Coal Industry Patents Ltd | Mining equipment |
| US4229043A (en) * | 1978-10-24 | 1980-10-21 | Coal Industry (Patents) Limited | Cowl arrangements for mining machines |
| ES8104489A1 (es) * | 1980-01-24 | 1980-12-16 | Empresa Nac Hulleras Norte | Maquina rozadora para explotaciones mineras |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE720812C (de) * | 1938-05-04 | 1942-05-16 | Albert Ilberg | Abbau- und Verlademaschine zum streifenweisen Hereingewinnen leicht gaengiger Mineralen |
| US2740618A (en) * | 1949-09-08 | 1956-04-03 | Colmol Company | Intermittent mining machine with turntable mounted rotary chipping heads |
| US2920879A (en) * | 1956-10-18 | 1960-01-12 | Goodman Mfg Co | Mining apparatus utilizing two side cutting augers |
| US3161439A (en) * | 1961-07-26 | 1964-12-15 | Goodman Mfg Co | Continuous mining machine of the side cutting auger type |
-
1962
- 1962-07-20 GB GB28029/62A patent/GB1039658A/en not_active Expired
-
1963
- 1963-07-17 US US295739A patent/US3291533A/en not_active Expired - Lifetime
- 1963-07-17 CS CS4132A patent/CS166211B2/cs unknown
- 1963-07-19 DE DEC30477A patent/DE1221588B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3291533A (en) | 1966-12-13 |
| DE1221588B (de) | 1966-07-28 |
| GB1039658A (en) | 1966-08-17 |