PL224751A1 - - Google Patents
Info
- Publication number
- PL224751A1 PL224751A1 PL22475180A PL22475180A PL224751A1 PL 224751 A1 PL224751 A1 PL 224751A1 PL 22475180 A PL22475180 A PL 22475180A PL 22475180 A PL22475180 A PL 22475180A PL 224751 A1 PL224751 A1 PL 224751A1
- Authority
- PL
- Poland
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
- E21C25/10—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)
- Crushing And Pulverization Processes (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL22475180A PL128042B1 (en) | 1980-06-04 | 1980-06-04 | Mining head |
AT219081A ATA219081A (en) | 1980-06-04 | 1981-05-15 | BOLTING TOOL |
GB8115822A GB2077325A (en) | 1980-06-04 | 1981-05-22 | Mining unit |
DE19813121533 DE3121533A1 (en) | 1980-06-04 | 1981-05-29 | DISCHARGE INSTRUMENT FOR COMBINED CHARCOAL DEVICES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL22475180A PL128042B1 (en) | 1980-06-04 | 1980-06-04 | Mining head |
Publications (2)
Publication Number | Publication Date |
---|---|
PL224751A1 true PL224751A1 (en) | 1981-12-11 |
PL128042B1 PL128042B1 (en) | 1983-12-31 |
Family
ID=20003490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL22475180A PL128042B1 (en) | 1980-06-04 | 1980-06-04 | Mining head |
Country Status (4)
Country | Link |
---|---|
AT (1) | ATA219081A (en) |
DE (1) | DE3121533A1 (en) |
GB (1) | GB2077325A (en) |
PL (1) | PL128042B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA8330B (en) * | 1983-01-04 | 1983-11-30 | Krampe & Co | Rock cutting drum for a winning machine in mining in particular in underground coal mining |
-
1980
- 1980-06-04 PL PL22475180A patent/PL128042B1/en unknown
-
1981
- 1981-05-15 AT AT219081A patent/ATA219081A/en not_active IP Right Cessation
- 1981-05-22 GB GB8115822A patent/GB2077325A/en not_active Withdrawn
- 1981-05-29 DE DE19813121533 patent/DE3121533A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2077325A (en) | 1981-12-16 |
DE3121533A1 (en) | 1982-05-19 |
ATA219081A (en) | 1983-05-15 |
PL128042B1 (en) | 1983-12-31 |