JPS5414041B1 - - Google Patents
Info
- Publication number
- JPS5414041B1 JPS5414041B1 JP4390871A JP4390871A JPS5414041B1 JP S5414041 B1 JPS5414041 B1 JP S5414041B1 JP 4390871 A JP4390871 A JP 4390871A JP 4390871 A JP4390871 A JP 4390871A JP S5414041 B1 JPS5414041 B1 JP S5414041B1
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
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 |
|---|---|
| JPS5414041B1 true JPS5414041B1 (ja) | 1979-06-04 |
Family
ID=5798901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4390871A Pending JPS5414041B1 (ja) | 1971-02-16 | 1971-06-18 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5414041B1 (ja) |
| CH (1) | CH541036A (ja) |
| DE (1) | DE2107289C3 (ja) |
| FR (1) | FR2125837A5 (ja) |
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 |
|---|---|
| DE2107289B2 (de) | 1978-12-07 |
| DE2107289A1 (de) | 1972-08-31 |
| DE2107289C3 (de) | 1982-04-29 |
| CH541036A (de) | 1973-08-31 |
| FR2125837A5 (ja) | 1972-09-29 |