BE564352A - - Google Patents
Info
- Publication number
- BE564352A BE564352A BE564352DA BE564352A BE 564352 A BE564352 A BE 564352A BE 564352D A BE564352D A BE 564352DA BE 564352 A BE564352 A BE 564352A
- 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
- E21D15/14—Telescopic props
- E21D15/15—Means counteracting entry of dirt; Built-in cleaning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Actuator (AREA)
- Electron Sources, Ion Sources (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3461/57A GB837916A (en) | 1957-01-31 | 1957-01-31 | Improvements relating to telescopic tubular pit props |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE564352A true BE564352A (US06653308-20031125-C00199.png) | 1960-06-17 |
Family
ID=9758760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE564352D BE564352A (US06653308-20031125-C00199.png) | 1957-01-31 | 1958-01-29 |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3443750A1 (de) * | 1984-11-30 | 1986-06-05 | SWF Auto-Electric GmbH, 7120 Bietigheim-Bissingen | Vorrichtung, insbesondere hubwischeranlage fuer kraftfahrzeuge |
| US20100169540A1 (en) | 2008-12-30 | 2010-07-01 | Sinclair Alan W | Method and apparatus for relocating selected data between flash partitions in a memory device |
| CN102140923B (zh) * | 2011-04-12 | 2014-01-08 | 天地科技股份有限公司 | 导向环过焊缝大缸底双伸缩立柱 |
| US9988793B2 (en) | 2016-03-14 | 2018-06-05 | Deere & Company | Actuator rod scraper assembly |
| US11136887B2 (en) | 2019-04-11 | 2021-10-05 | Burrell Mining Products, Inc. | Mine roof support, pre-installation assembly for same, and method of installation |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US334037A (en) * | 1886-01-12 | Lewis hallock nash | ||
| US933789A (en) * | 1907-08-29 | 1909-09-14 | Jeffrey Mfg Co | Cylinder-head. |
| US1232028A (en) * | 1916-05-11 | 1917-07-03 | Milo Harris | Metallic packing. |
| US1482716A (en) * | 1921-03-11 | 1924-02-05 | Sudekum William | Piston-rod packing |
| US1631520A (en) * | 1923-03-29 | 1927-06-07 | John L Creevy | Packing |
| US1850489A (en) * | 1929-05-10 | 1932-03-22 | Baguley Cyril | Prop for use in mines |
| US2247031A (en) * | 1938-10-21 | 1941-06-24 | Norton Mcmurray Mfg Company | Pipe coupling |
| GB533048A (en) * | 1939-10-02 | 1941-02-05 | Ribbesford Company Ltd | Improvements in or relating to shock absorbers |
| US2290507A (en) * | 1941-04-07 | 1942-07-21 | Globe Hoist Co | Wiper and polisher for hydraulic hoist piston rods |
| US2473470A (en) * | 1944-06-12 | 1949-06-14 | Albert P Fall | Alighting gear |
| US2678835A (en) * | 1946-02-08 | 1954-05-18 | Us Navy | Rotating joint |
| GB608054A (en) * | 1947-02-17 | 1948-09-09 | Dowty Equipment Ltd | Improvements in pit props |
| BE486663A (US06653308-20031125-C00199.png) * | 1948-01-12 | |||
| DE830338C (de) * | 1949-06-03 | 1952-02-04 | Friedrich Wilhelm Koerver | Mit Fluessigkeit gefuellte Druckkapsel, insbesondere fuer Grubenstempel |
| FR1058216A (fr) * | 1951-06-12 | 1954-03-15 | étancon de mine en acier ou en métal léger | |
| US2726882A (en) * | 1953-05-29 | 1955-12-13 | Standard Oil Co | Adjustable high pressure rotating shaft seal |
-
1957
- 1957-01-31 GB GB3461/57A patent/GB837916A/en not_active Expired
-
1958
- 1958-01-27 US US711456A patent/US3001808A/en not_active Expired - Lifetime
- 1958-01-29 BE BE564352D patent/BE564352A/xx unknown
- 1958-01-30 FR FR1190896D patent/FR1190896A/fr not_active Expired
- 1958-01-31 DE DED27317A patent/DE1052935B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1190896A (fr) | 1959-10-15 |
| US3001808A (en) | 1961-09-26 |
| GB837916A (en) | 1960-06-15 |
| DE1052935B (de) | 1959-03-19 |
