SE352690B - - Google Patents
Info
- Publication number
- SE352690B SE352690B SE02419/69A SE241969A SE352690B SE 352690 B SE352690 B SE 352690B SE 02419/69 A SE02419/69 A SE 02419/69A SE 241969 A SE241969 A SE 241969A SE 352690 B SE352690 B SE 352690B
- Authority
- SE
- Sweden
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/04—Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole or a slit
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (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)
- Piles And Underground Anchors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB906768 | 1968-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE352690B true SE352690B (US20020128544A1-20020912-P00008.png) | 1973-01-08 |
Family
ID=9864755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE02419/69A SE352690B (US20020128544A1-20020912-P00008.png) | 1968-02-24 | 1969-02-21 |
Country Status (4)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH598472A5 (US20020128544A1-20020912-P00008.png) * | 1975-10-23 | 1978-04-28 | Cerac Inst Sa | |
| US4193634A (en) * | 1977-12-05 | 1980-03-18 | Kabushiki Kaisha Komatsu Seisakusho | Method and apparatus for excavation |
| US4152028A (en) * | 1978-02-24 | 1979-05-01 | The United States Of America As Represented By The United States Department Of Energy | Expansible apparatus for removing the surface layer from a concrete object |
| US4215901A (en) * | 1978-04-04 | 1980-08-05 | Edward R. Langfield | Hydraulically actuated tool for mechanically splitting rock-like material |
| FI64438C (fi) * | 1981-06-04 | 1983-11-10 | Tampella Oy Ab | Foerfarande foer spjaelkning av sten |
| DE3228433C2 (de) * | 1982-07-30 | 1985-08-29 | Friedhelm 8390 Passau Porsfeld | Steinspaltgerät zum mechanischen Zerlegen von Gestein |
| US5015039A (en) * | 1990-01-08 | 1991-05-14 | The United States Of America As Represented By The Department Of The Interior | Hydraulically actuated mechanical rock excavator |
| CN103758456A (zh) * | 2014-01-07 | 2014-04-30 | 国家电网公司 | 一种电塔基础岩石井孔破裂机 |
-
1968
- 1968-02-24 GB GB906768A patent/GB1238181A/en not_active Expired
-
1969
- 1969-01-17 US US792084*A patent/US3565488A/en not_active Expired - Lifetime
- 1969-02-21 DE DE19691908707 patent/DE1908707A1/de active Pending
- 1969-02-21 SE SE02419/69A patent/SE352690B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1908707A1 (de) | 1969-09-18 |
| US3565488A (en) | 1971-02-23 |
| GB1238181A (US20020128544A1-20020912-P00008.png) | 1971-07-07 |
