BE601151A - Perfectionnements aux étançons et vérins - Google Patents
Perfectionnements aux étançons et vérinsInfo
- Publication number
- BE601151A BE601151A BE601151A BE601151A BE601151A BE 601151 A BE601151 A BE 601151A BE 601151 A BE601151 A BE 601151A BE 601151 A BE601151 A BE 601151A BE 601151 A BE601151 A BE 601151A
- Authority
- BE
- Belgium
- Prior art keywords
- props
- jacks
- Prior art date
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
- E21D15/50—Component parts or details of props
- E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
- E21D15/517—Extension elements
-
- 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)
- Types And Forms Of Lifts (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB901660A GB981331A (en) | 1960-03-14 | 1960-03-14 | Improvements in and relating to props or jacks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE601151A true BE601151A (fr) | 1961-09-11 |
Family
ID=9863734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE601151A BE601151A (fr) | 1960-03-14 | 1961-03-09 | Perfectionnements aux étançons et vérins |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE601151A (fr) |
| GB (1) | GB981331A (fr) |
-
1960
- 1960-03-14 GB GB901660A patent/GB981331A/en not_active Expired
-
1961
- 1961-03-09 BE BE601151A patent/BE601151A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB981331A (en) | 1965-01-20 |
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