FR2471473B1 - - Google Patents
Info
- Publication number
- FR2471473B1 FR2471473B1 FR8025662A FR8025662A FR2471473B1 FR 2471473 B1 FR2471473 B1 FR 2471473B1 FR 8025662 A FR8025662 A FR 8025662A FR 8025662 A FR8025662 A FR 8025662A FR 2471473 B1 FR2471473 B1 FR 2471473B1
- Authority
- FR
- France
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
-
- 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
-
- 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)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Electrochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792948763 DE2948763A1 (de) | 1979-12-04 | 1979-12-04 | Verfahren zur herstellung von durchbruechen in gestein und mauerwerk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2471473A1 FR2471473A1 (fr) | 1981-06-19 |
| FR2471473B1 true FR2471473B1 (enExample) | 1983-07-01 |
Family
ID=6087589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8025662A Granted FR2471473A1 (fr) | 1979-12-04 | 1980-12-03 | Procede pour realiser des evidements dans de la pierre et de la maconnerie |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH648094A5 (enExample) |
| DE (1) | DE2948763A1 (enExample) |
| FR (1) | FR2471473A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482218A1 (de) * | 1987-03-02 | 1992-04-29 | Spetsializirovanny Trest Po Remontu Promyshlennykh Zdany I Soorzheny Pred. Chernoi Met. Tsentral. Raiona Tsentrmetallurgremont | Verfahren zur gerichteten Zerstörung monolithischer Objekte |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2691512A (en) * | 1949-07-25 | 1954-10-12 | Arizio Antonio | Wedge-shaped tool for splitting rocks and the like |
| DE1935510U (de) * | 1965-11-16 | 1966-03-31 | Oswald Halm | Spreizkeil-sprengmeissel. |
| DE1608374A1 (de) * | 1966-02-19 | 1971-01-28 | Bergwerksverband Gmbh | Zylindrischer Einbruch fuer das Hereinschiessen des anstehenden Gesteins im Streckenvortrieb unter Tage mit in Streckenrichtung verlaufenden parallelen zu ladenden Sprengbohrloechern und dazu parallelen nicht zu ladenden Grossbohrloechern,insbesondere unter Anwendung von Millisekundenzuendern |
| IT944624B (it) * | 1971-01-13 | 1973-04-20 | Darda H | Apparecchio azionato idraulicamen te per sminuzzare meccanicamente roccia |
| CH545897A (enExample) * | 1971-12-23 | 1974-02-15 | ||
| DE2441876B1 (de) * | 1974-08-31 | 1976-01-02 | H. Bieri Ag, Liebefeld, Bern (Schweiz) | Gerät zum mechanischen Abbauen von Gestein, insbesondere von bewehrtem Beton |
| DE2505298B1 (de) * | 1975-02-07 | 1975-11-20 | Bieri Ag Liebefeld H | Geraet zum mechanischen Abbauen von Gestein,insbesondere von bewehrtem Beton |
| US4114951A (en) * | 1977-05-09 | 1978-09-19 | Edward R. Langfield | Hydraulically actuated tool for mechanically splitting rock-like material |
-
1979
- 1979-12-04 DE DE19792948763 patent/DE2948763A1/de not_active Ceased
-
1980
- 1980-07-23 CH CH5628/80A patent/CH648094A5/de not_active IP Right Cessation
- 1980-12-03 FR FR8025662A patent/FR2471473A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2471473A1 (fr) | 1981-06-19 |
| CH648094A5 (en) | 1985-02-28 |
| DE2948763A1 (de) | 1981-06-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |