FR1013518A - Support for props - Google Patents
Support for propsInfo
- Publication number
- FR1013518A FR1013518A FR1013518DA FR1013518A FR 1013518 A FR1013518 A FR 1013518A FR 1013518D A FR1013518D A FR 1013518DA FR 1013518 A FR1013518 A FR 1013518A
- Authority
- FR
- France
- Prior art keywords
- props
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- E21D15/54—Details of the ends of props
- E21D15/55—Details of the ends of props of prop heads or feet
-
- 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
- E21D15/50—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
- E21D15/515—Particular fluids not covered by any chemical subdivision
-
- 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
- E21D15/52—Extensible units located above or below standard props
- E21D15/523—Extensible units located above or below standard props with hydraulic or pneumatic control
-
- 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
- E21D15/58—Devices for setting props or chocks
- E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
- E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1013518T | 1949-10-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1013518A true FR1013518A (en) | 1952-07-30 |
Family
ID=9571709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1013518D Expired FR1013518A (en) | 1949-10-15 | 1949-10-15 | Support for props |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1013518A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1010032B (en) * | 1955-02-14 | 1957-06-13 | Dobson Ltd W E & F | Support device |
DE1043251B (en) * | 1955-06-24 | 1958-11-13 | Hemscheidt Maschf Hermann | Pit construction stamp |
DE1103270B (en) * | 1957-04-09 | 1961-03-30 | Kloeckner Werke Ag | Pressure gauge for hydraulic pit rams |
DE1129439B (en) * | 1957-07-20 | 1962-05-17 | Hermann Schwarz K G | Flexible support body for the pit construction |
DE1141248B (en) * | 1958-02-22 | 1962-12-20 | Dowty Mining Equipment Ltd | Hydraulically operated pit ram |
DE1179528B (en) * | 1956-04-17 | 1964-10-15 | Bergwerksverband Ges Mit Besch | Procedure for checking the correct setting of the elements of the route support frame and / or the stability of the rock supported by them |
US4925160A (en) * | 1987-09-16 | 1990-05-15 | Dinol International Aktiebolag | Floating frame |
-
1949
- 1949-10-15 FR FR1013518D patent/FR1013518A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1010032B (en) * | 1955-02-14 | 1957-06-13 | Dobson Ltd W E & F | Support device |
DE1043251B (en) * | 1955-06-24 | 1958-11-13 | Hemscheidt Maschf Hermann | Pit construction stamp |
DE1179528B (en) * | 1956-04-17 | 1964-10-15 | Bergwerksverband Ges Mit Besch | Procedure for checking the correct setting of the elements of the route support frame and / or the stability of the rock supported by them |
DE1103270B (en) * | 1957-04-09 | 1961-03-30 | Kloeckner Werke Ag | Pressure gauge for hydraulic pit rams |
DE1129439B (en) * | 1957-07-20 | 1962-05-17 | Hermann Schwarz K G | Flexible support body for the pit construction |
DE1141248B (en) * | 1958-02-22 | 1962-12-20 | Dowty Mining Equipment Ltd | Hydraulically operated pit ram |
US4925160A (en) * | 1987-09-16 | 1990-05-15 | Dinol International Aktiebolag | Floating frame |
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