JPS5421580B2 - - Google Patents
Info
- Publication number
- JPS5421580B2 JPS5421580B2 JP801376A JP801376A JPS5421580B2 JP S5421580 B2 JPS5421580 B2 JP S5421580B2 JP 801376 A JP801376 A JP 801376A JP 801376 A JP801376 A JP 801376A JP S5421580 B2 JPS5421580 B2 JP S5421580B2
- Authority
- JP
- Japan
- 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
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
-
- 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
- E21C37/02—Other methods or devices for dislodging with or without loading by wedges
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Crushing And Grinding (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP801376A JPS5421580B2 (https=) | 1975-01-31 | 1976-01-29 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH115275A CH581777A5 (https=) | 1975-01-31 | 1975-01-31 | |
| JP801376A JPS5421580B2 (https=) | 1975-01-31 | 1976-01-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51100376A JPS51100376A (https=) | 1976-09-04 |
| JPS5421580B2 true JPS5421580B2 (https=) | 1979-07-31 |
Family
ID=4203686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP801376A Expired JPS5421580B2 (https=) | 1975-01-31 | 1976-01-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4026602A (https=) |
| JP (1) | JPS5421580B2 (https=) |
| CH (1) | CH581777A5 (https=) |
| SE (1) | SE406620B (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474410A (en) * | 1981-03-31 | 1984-10-02 | Kabushiki Kaisha Komatsu Seisakusho | Power-driven, wedge-operated rock splitter |
| US4781418A (en) * | 1987-06-01 | 1988-11-01 | Silvano Pocci | Fluid actuated apparatus for mechanically splitting rock-like material |
| US4947534A (en) * | 1988-09-30 | 1990-08-14 | Davenport William C | Apparatus and method for salvaging concentric piping members |
| US5087100A (en) * | 1990-10-17 | 1992-02-11 | Bruce Howard D | Method of fracturing rock or similar material and apparatus therefore |
| CA2146771A1 (en) * | 1993-08-11 | 1995-02-16 | Aleksandr Vasilevich Sharapov | Hydraulic wedge device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT944624B (it) * | 1971-01-13 | 1973-04-20 | Darda H | Apparecchio azionato idraulicamen te per sminuzzare meccanicamente roccia |
| DE2229940C2 (de) * | 1972-06-20 | 1974-03-21 | Helmut 7712 Blumberg Darda | Hydraulisch betätigtes Gerät zum mechanischen Zerlegen von Gestein |
-
1975
- 1975-01-31 CH CH115275A patent/CH581777A5/xx not_active IP Right Cessation
-
1976
- 1976-01-12 US US05/648,138 patent/US4026602A/en not_active Expired - Lifetime
- 1976-01-29 SE SE7600960A patent/SE406620B/xx not_active IP Right Cessation
- 1976-01-29 JP JP801376A patent/JPS5421580B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51100376A (https=) | 1976-09-04 |
| SE406620B (sv) | 1979-02-19 |
| US4026602A (en) | 1977-05-31 |
| CH581777A5 (https=) | 1976-11-15 |
| SE7600960L (sv) | 1976-08-02 |