BE531325A - - Google Patents
Info
- Publication number
- BE531325A BE531325A BE531325DA BE531325A BE 531325 A BE531325 A BE 531325A BE 531325D A BE531325D A BE 531325DA BE 531325 A BE531325 A BE 531325A
- Authority
- BE
- Belgium
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
- E21C25/58—Machines slitting by drilling hole on hole
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)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2326253A GB741903A (en) | 1953-08-24 | 1953-08-24 | An improved cutter head for a mineral-mining or earth-boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE531325A true BE531325A (zh) |
Family
ID=10192805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE531325D BE531325A (zh) | 1953-08-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE531325A (zh) |
| DE (1) | DE959273C (zh) |
| FR (1) | FR1106828A (zh) |
| GB (1) | GB741903A (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1600964A (en) * | 1978-05-10 | 1981-10-21 | Rotaflex Ltd | Electrical fittings |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR587002A (fr) * | 1924-10-02 | 1925-04-09 | Extracteur de charbon et de pierres | |
| US2562841A (en) * | 1949-07-13 | 1951-07-31 | Charles E Compton | Mining machine head |
-
0
- BE BE531325D patent/BE531325A/xx unknown
-
1953
- 1953-08-24 GB GB2326253A patent/GB741903A/en not_active Expired
-
1954
- 1954-08-17 FR FR1106828D patent/FR1106828A/fr not_active Expired
- 1954-08-22 DE DEJ9047A patent/DE959273C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1106828A (fr) | 1955-12-23 |
| GB741903A (en) | 1955-12-14 |
| DE959273C (de) | 1957-03-07 |