FR2125837A5 - - Google Patents
Info
- Publication number
- FR2125837A5 FR2125837A5 FR7136454A FR7136454A FR2125837A5 FR 2125837 A5 FR2125837 A5 FR 2125837A5 FR 7136454 A FR7136454 A FR 7136454A FR 7136454 A FR7136454 A FR 7136454A FR 2125837 A5 FR2125837 A5 FR 2125837A5
- 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
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/30—Mineral freed by means not involving slitting by jaws, buckets or scoops that scoop-out the mineral
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)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712107289 DE2107289C3 (de) | 1971-02-16 | 1971-02-16 | Gewinnungs- und Ladeeinrichtung für den Rohrvorpreßbetrieb |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2125837A5 true FR2125837A5 (de) | 1972-09-29 |
Family
ID=5798901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7136454A Expired FR2125837A5 (de) | 1971-02-16 | 1971-10-11 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5414041B1 (de) |
CH (1) | CH541036A (de) |
DE (1) | DE2107289C3 (de) |
FR (1) | FR2125837A5 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113216973B (zh) * | 2021-04-23 | 2022-07-19 | 中铁工程装备集团有限公司 | 一种从下向上顶推式竖井掘进设备 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1921092C3 (de) * | 1969-04-25 | 1981-12-24 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Gewinnungs- und Ladeeinrichtung für den Rohrpreßvortrieb |
-
1971
- 1971-02-16 DE DE19712107289 patent/DE2107289C3/de not_active Expired
- 1971-06-18 JP JP4390871A patent/JPS5414041B1/ja active Pending
- 1971-07-30 CH CH1128371A patent/CH541036A/de not_active IP Right Cessation
- 1971-10-11 FR FR7136454A patent/FR2125837A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2107289C3 (de) | 1982-04-29 |
CH541036A (de) | 1973-08-31 |
DE2107289A1 (de) | 1972-08-31 |
JPS5414041B1 (de) | 1979-06-04 |
DE2107289B2 (de) | 1978-12-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |