FR1564325A - - Google Patents
Info
- Publication number
- FR1564325A FR1564325A FR1564325DA FR1564325A FR 1564325 A FR1564325 A FR 1564325A FR 1564325D A FR1564325D A FR 1564325DA FR 1564325 A FR1564325 A FR 1564325A
- 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
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
- E21C31/04—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices imparting both a rotary and reciprocating motion
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)
- Fluid-Pressure Circuits (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63770767A | 1967-05-11 | 1967-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1564325A true FR1564325A (enExample) | 1969-04-18 |
Family
ID=24557045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1564325D Expired FR1564325A (enExample) | 1967-05-11 | 1968-05-10 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3460868A (enExample) |
| BE (1) | BE715014A (enExample) |
| DE (1) | DE1758314A1 (enExample) |
| FR (1) | FR1564325A (enExample) |
| GB (1) | GB1194977A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192551A (en) * | 1978-10-10 | 1980-03-11 | Bethlehem Steel Corporation | Remote control system for mining machines |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2979319A (en) * | 1958-08-07 | 1961-04-11 | Goodman Mfg Co | Mechanical miner having offset rotary heads |
| US3353871A (en) * | 1964-08-05 | 1967-11-21 | Lee Norse Co | Continuous mining machine with oscillating rotary cutter heads |
| US3333895A (en) * | 1964-09-25 | 1967-08-01 | Joy Mfg Co | Mining machine having synchronized oscillating cutter heads |
| US3333894A (en) * | 1964-09-28 | 1967-08-01 | Joy Mfg Co | Mining machine having cutter arms oscillated in opposite directions and in phase |
| US3302974A (en) * | 1966-02-18 | 1967-02-07 | Westinghouse Air Brake Co | Ripper type mining machine having oppositely moving oscillating ripper heads |
-
1967
- 1967-05-11 US US637707A patent/US3460868A/en not_active Expired - Lifetime
-
1968
- 1968-04-29 GB GB20251/68A patent/GB1194977A/en not_active Expired
- 1968-05-10 DE DE19681758314 patent/DE1758314A1/de active Pending
- 1968-05-10 FR FR1564325D patent/FR1564325A/fr not_active Expired
- 1968-05-10 BE BE715014D patent/BE715014A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3460868A (en) | 1969-08-12 |
| BE715014A (enExample) | 1968-09-30 |
| GB1194977A (en) | 1970-06-17 |
| DE1758314A1 (de) | 1971-01-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |