FR2057460A5 - - Google Patents
Info
- Publication number
- FR2057460A5 FR2057460A5 FR6928608A FR6928608A FR2057460A5 FR 2057460 A5 FR2057460 A5 FR 2057460A5 FR 6928608 A FR6928608 A FR 6928608A FR 6928608 A FR6928608 A FR 6928608A FR 2057460 A5 FR2057460 A5 FR 2057460A5
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6928608A FR2057460A5 (en) | 1969-08-20 | 1969-08-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6928608A FR2057460A5 (en) | 1969-08-20 | 1969-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2057460A5 true FR2057460A5 (en) | 1971-05-21 |
Family
ID=9039243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6928608A Expired FR2057460A5 (en) | 1969-08-20 | 1969-08-20 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2057460A5 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2344708A1 (en) * | 1976-03-17 | 1977-10-14 | Legrand Marie | Mining machine for small working faces - is contained within periphery described by cutter drum when slewing |
DE2913129A1 (en) * | 1979-04-02 | 1980-10-23 | Wayss & Freytag Ag | Full cut mine working machine opening non-round tunnels - has periodically programmed extending unit on edge of rotating tool carrier |
FR2470242A1 (en) * | 1979-04-13 | 1981-05-29 | Legrand Marie | DRUM MACHINE FOR SLAUGHTERING ROCKS IN UNDERGROUND WORKS |
-
1969
- 1969-08-20 FR FR6928608A patent/FR2057460A5/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2344708A1 (en) * | 1976-03-17 | 1977-10-14 | Legrand Marie | Mining machine for small working faces - is contained within periphery described by cutter drum when slewing |
DE2913129A1 (en) * | 1979-04-02 | 1980-10-23 | Wayss & Freytag Ag | Full cut mine working machine opening non-round tunnels - has periodically programmed extending unit on edge of rotating tool carrier |
FR2470242A1 (en) * | 1979-04-13 | 1981-05-29 | Legrand Marie | DRUM MACHINE FOR SLAUGHTERING ROCKS IN UNDERGROUND WORKS |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |