BE511527A - - Google Patents
Info
- Publication number
- BE511527A BE511527A BE511527DA BE511527A BE 511527 A BE511527 A BE 511527A BE 511527D A BE511527D A BE 511527DA BE 511527 A BE511527 A BE 511527A
- 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
- 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
- E21D15/005—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material
-
- 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
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/38—Telescopic props with parts held relatively to each other by friction or gripping with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations
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)
- Clamps And Clips (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1177551A GB711603A (en) | 1951-05-21 | 1951-05-21 | Improvements in and relating to yielding pit-props |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE511527A true BE511527A (fi) |
Family
ID=9992467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE511527D BE511527A (fi) | 1951-05-21 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE511527A (fi) |
| FR (1) | FR1056693A (fi) |
| GB (1) | GB711603A (fi) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1085121B (de) * | 1955-02-26 | 1960-07-14 | Hoesch Ag | Druckmittelbetaetigter Grubenstempel |
| DE1023436B (de) * | 1955-11-24 | 1958-01-30 | Hermann Schwarz Kommanditgesel | Hydraulischer Grubenstempel |
| DE1009139B (de) * | 1955-12-30 | 1957-05-29 | Hermann Schwarz Kommanditgesel | Zweiteiliger metallischer Grubenstempel mit einer durch Reibungsschluss unter elastischer Verformung erfolgenden Verspannung der Stempelteile und Verfahren zum Setzen |
| BE559110A (fi) * | 1956-07-11 |
-
0
- BE BE511527D patent/BE511527A/xx unknown
-
1951
- 1951-05-21 GB GB1177551A patent/GB711603A/en not_active Expired
-
1952
- 1952-05-20 FR FR1056693D patent/FR1056693A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1056693A (fr) | 1954-03-01 |
| GB711603A (en) | 1954-07-07 |