HU164420B - - Google Patents
Info
- Publication number
- HU164420B HU164420B HUFE886A HUFE000886A HU164420B HU 164420 B HU164420 B HU 164420B HU FE886 A HUFE886 A HU FE886A HU FE000886 A HUFE000886 A HU FE000886A HU 164420 B HU164420 B HU 164420B
- Authority
- HU
- Hungary
Links
Classifications
-
- 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
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/23—Distribution of spraying-fluids in rotating cutter-heads
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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5763871 | 1971-12-11 | ||
| GB70672*[A GB1391439A (en) | 1971-12-11 | 1972-01-06 | Rotary coal cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU164420B true HU164420B (en) | 1974-02-28 |
Family
ID=26236131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUFE886A HU164420B (en) | 1971-12-11 | 1972-12-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3827755A (en) |
| BE (1) | BE792818A (en) |
| CA (1) | CA963919A (en) |
| DE (1) | DE2260237A1 (en) |
| GB (1) | GB1391439A (en) |
| HU (1) | HU164420B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1414917A (en) * | 1973-02-09 | 1975-11-19 | ||
| US4087131A (en) * | 1976-11-01 | 1978-05-02 | Rapidex, Inc. | Drag bit excavation |
| US4340256A (en) * | 1977-07-29 | 1982-07-20 | Hart Jacque M | Diamond planar cutter |
| DE2842131C3 (en) * | 1978-09-28 | 1982-10-14 | Krampe & Co Fertigung in Bergbaubedarf GmbH, Zweigniederlassung Pelkum, 4700 Hamm | Cutting roller |
| US4480873A (en) * | 1983-01-07 | 1984-11-06 | Latham Winchester E | Flighting section and tooth holder |
| DE3643234A1 (en) * | 1986-12-18 | 1988-06-30 | Gewerk Eisenhuette Westfalia | Cutting head for winning and advance working machines, in particular for selective cut heading machines with cross-cutting head |
| US5078540A (en) * | 1990-08-24 | 1992-01-07 | Astec Industries, Inc. | Asphalt pavement milling machine and cutter drum therefor |
| AU2009297073A1 (en) * | 2008-09-23 | 2010-04-01 | Kennametal Inc. | Core breaker with dust suppression system |
| CN104712334B (en) * | 2015-01-09 | 2017-04-19 | 中国矿业大学 | Deep-well high-stress coal rock stepped roller |
| CN110374589B (en) * | 2019-08-20 | 2020-12-29 | 西安科技大学 | Coal mine drum shearer |
| CN114352275B (en) * | 2021-12-06 | 2024-04-09 | 北京天玛智控科技股份有限公司 | Underground coal mining method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL280067A (en) * | 1961-06-23 | |||
| GB1042019A (en) * | 1964-06-13 | 1966-09-07 | Greenside Machine Co Ltd | Improvements in picks, pick-boxes and cutter drums for cutter drum type mining machines |
-
0
- BE BE792818D patent/BE792818A/en unknown
-
1972
- 1972-01-06 GB GB70672*[A patent/GB1391439A/en not_active Expired
- 1972-12-07 US US00311734A patent/US3827755A/en not_active Expired - Lifetime
- 1972-12-08 DE DE2260237A patent/DE2260237A1/en active Pending
- 1972-12-11 CA CA159,035A patent/CA963919A/en not_active Expired
- 1972-12-11 HU HUFE886A patent/HU164420B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1391439A (en) | 1975-04-23 |
| BE792818A (en) | 1973-03-30 |
| CA963919A (en) | 1975-03-04 |
| DE2260237A1 (en) | 1973-06-28 |
| US3827755A (en) | 1974-08-06 |