BE543703A - - Google Patents
Info
- Publication number
- BE543703A BE543703A BE543703DA BE543703A BE 543703 A BE543703 A BE 543703A BE 543703D A BE543703D A BE 543703DA BE 543703 A BE543703 A BE 543703A
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Press Drives And Press Lines (AREA)
- Mechanically-Actuated Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3649954A GB819301A (en) | 1954-12-16 | 1954-12-16 | Improvements relating to hydraulic pit props and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE543703A true BE543703A (en:Method) |
Family
ID=10388726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE543703D BE543703A (en:Method) | 1954-12-16 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE543703A (en:Method) |
| DE (1) | DE957925C (en:Method) |
| GB (1) | GB819301A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3252345A (en) * | 1963-08-02 | 1966-05-24 | Robertshaw Controls Co | Actuating mechanism and parts therefor or the like |
| JPH0643867B2 (ja) * | 1985-09-30 | 1994-06-08 | アイシン精機株式会社 | 調圧弁用カム装置 |
-
0
- BE BE543703D patent/BE543703A/xx unknown
- DE DENDAT957925D patent/DE957925C/de not_active Expired
-
1954
- 1954-12-16 GB GB3649954A patent/GB819301A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE957925C (de) | 1957-01-24 |
| GB819301A (en) | 1959-09-02 |