RO61456A - - Google Patents
Info
- Publication number
- RO61456A RO61456A RO7200071407A RO7140772A RO61456A RO 61456 A RO61456 A RO 61456A RO 7200071407 A RO7200071407 A RO 7200071407A RO 7140772 A RO7140772 A RO 7140772A RO 61456 A RO61456 A RO 61456A
- Authority
- RO
- Romania
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/02—Core bits
- E21B10/04—Core bits with core destroying means
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
- Earth Drilling (AREA)
- Crushing And Pulverization Processes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7219779A FR2185744B2 (US20110232667A1-20110929-C00004.png) | 1972-05-24 | 1972-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO61456A true RO61456A (US20110232667A1-20110929-C00004.png) | 1977-03-15 |
Family
ID=9099543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7200071407A RO61456A (US20110232667A1-20110929-C00004.png) | 1972-05-24 | 1972-06-26 |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703259B (zh) * | 2024-02-04 | 2024-04-30 | 山东科技大学 | 一种用于矿山开采的防扬尘的钻进装置及方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB489171A (en) * | 1937-01-19 | 1938-07-19 | William Langsdorf | Improvements in paint and like mixing and grinding machines |
| FR1220864A (fr) * | 1958-12-22 | 1960-05-30 | Outil pour le forage du sol | |
| US2991946A (en) * | 1959-06-09 | 1961-07-11 | Majac Inc | Impact pulverizer |
| CH473610A (de) * | 1966-12-23 | 1969-06-15 | Automatica S A | Rührwerk-Kugelmühle |
| US3491953A (en) * | 1967-01-09 | 1970-01-27 | Fluid Energy Process Equip | Treatment of granular solids by fluid energy mills |
| US3514043A (en) * | 1967-08-04 | 1970-05-26 | Nat Lead Co | Fluid energy mill for milling friable materials |
-
1972
- 1972-05-24 FR FR7219779A patent/FR2185744B2/fr not_active Expired
- 1972-06-26 RO RO7200071407A patent/RO61456A/ro unknown
- 1972-10-05 PL PL1972158089A patent/PL78460B1/pl unknown
-
1973
- 1973-01-09 NO NO80/73A patent/NO138778C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO138778B (no) | 1978-07-31 |
| NO138778C (no) | 1978-11-08 |
| FR2185744B2 (US20110232667A1-20110929-C00004.png) | 1976-08-06 |
| PL78460B1 (US20110232667A1-20110929-C00004.png) | 1975-06-30 |
| FR2185744A2 (US20110232667A1-20110929-C00004.png) | 1974-01-04 |
