FR1575228A - - Google Patents
Info
- Publication number
- FR1575228A FR1575228A FR1575228DA FR1575228A FR 1575228 A FR1575228 A FR 1575228A FR 1575228D A FR1575228D A FR 1575228DA FR 1575228 A FR1575228 A FR 1575228A
- 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
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH63632A DE1283176B (de) | 1967-08-17 | 1967-08-17 | Grossbohreinrichtung fuer die Gewinnung von Mineralien, insbesondere von Kohle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1575228A true FR1575228A (enExample) | 1969-07-18 |
Family
ID=7162394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1575228D Expired FR1575228A (enExample) | 1967-08-17 | 1968-07-30 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4931841B1 (enExample) |
| DE (1) | DE1283176B (enExample) |
| FR (1) | FR1575228A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53117434U (enExample) * | 1977-02-24 | 1978-09-19 |
-
1967
- 1967-08-17 DE DEH63632A patent/DE1283176B/de active Pending
-
1968
- 1968-07-29 JP JP43053045A patent/JPS4931841B1/ja active Pending
- 1968-07-30 FR FR1575228D patent/FR1575228A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4931841B1 (enExample) | 1974-08-26 |
| DE1283176B (de) | 1968-11-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |