BE557125A - - Google Patents
Info
- Publication number
- BE557125A BE557125A BE557125DA BE557125A BE 557125 A BE557125 A BE 557125A BE 557125D A BE557125D A BE 557125DA BE 557125 A BE557125 A BE 557125A
- Authority
- BE
- Belgium
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
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- 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
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1341856A GB815578A (en) | 1956-05-01 | Improvements in hydraulic pit props |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE557125A true BE557125A (en, 2012) |
Family
ID=10022603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE557125D BE557125A (en, 2012) | 1956-05-01 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE557125A (en, 2012) |
| DE (1) | DE1037991B (en, 2012) |
| FR (1) | FR1187688A (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2161137B (en) * | 1984-07-02 | 1989-04-19 | Yann Tay Enterprises Co Ltd | A pump lever for a jack |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE800392C (de) * | 1949-04-08 | 1950-11-02 | Gewerk Eisenhuette Westfalia | Hydraulischer Grubenstempel |
| FR1006760A (fr) * | 1949-10-15 | 1952-04-28 | étançon hydraulique sans pompe individuelle |
-
0
- BE BE557125D patent/BE557125A/xx unknown
-
1957
- 1957-04-30 FR FR1187688D patent/FR1187688A/fr not_active Expired
- 1957-05-02 DE DED25535A patent/DE1037991B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1037991B (de) | 1958-09-04 |
| FR1187688A (fr) | 1959-09-15 |