FR2139196A1 - - Google Patents
Info
- Publication number
- FR2139196A1 FR2139196A1 FR7219185A FR7219185A FR2139196A1 FR 2139196 A1 FR2139196 A1 FR 2139196A1 FR 7219185 A FR7219185 A FR 7219185A FR 7219185 A FR7219185 A FR 7219185A FR 2139196 A1 FR2139196 A1 FR 2139196A1
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Forging (AREA)
- Press Drives And Press Lines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712126314 DE2126314B2 (de) | 1971-05-27 | 1971-05-27 | Hydraulischer doppelstuetzstempel fuer den bergbau |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2139196A1 true FR2139196A1 (enExample) | 1973-01-05 |
| FR2139196B1 FR2139196B1 (enExample) | 1977-06-17 |
Family
ID=5809058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7219185A Expired FR2139196B1 (enExample) | 1971-05-27 | 1972-05-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE784015A (enExample) |
| DE (1) | DE2126314B2 (enExample) |
| FR (1) | FR2139196B1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994514B (zh) * | 2010-11-10 | 2014-10-15 | 李其明 | 一种双向液压支腿杆 |
| CN111173545B (zh) * | 2020-03-07 | 2024-06-14 | 陕西陕煤韩城矿业有限公司 | 一种用于两件式单体液压支柱的复位装置及其安装方法 |
-
1971
- 1971-05-27 DE DE19712126314 patent/DE2126314B2/de not_active Ceased
-
1972
- 1972-05-26 BE BE784015A patent/BE784015A/xx unknown
- 1972-05-29 FR FR7219185A patent/FR2139196B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2126314B2 (de) | 1976-12-23 |
| DE2126314A1 (de) | 1972-12-14 |
| FR2139196B1 (enExample) | 1977-06-17 |
| BE784015A (fr) | 1972-09-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |