BE688629A - - Google Patents
Info
- Publication number
- BE688629A BE688629A BE688629DA BE688629A BE 688629 A BE688629 A BE 688629A BE 688629D A BE688629D A BE 688629DA BE 688629 A BE688629 A BE 688629A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21C25/10—Rods; Drums
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4472965A GB1137833A (en) | 1965-10-22 | 1965-10-22 | Improvements in or relating to cutter drums for coal cutting machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE688629A true BE688629A (xx) | 1967-03-31 |
Family
ID=10434509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE688629D BE688629A (xx) | 1965-10-22 | 1966-10-21 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE688629A (xx) |
| GB (1) | GB1137833A (xx) |
-
1965
- 1965-10-22 GB GB4472965A patent/GB1137833A/en not_active Expired
-
1966
- 1966-10-21 BE BE688629D patent/BE688629A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1137833A (en) | 1968-12-27 |