GB1005278A - An hydraulic pit prop - Google Patents
An hydraulic pit propInfo
- Publication number
- GB1005278A GB1005278A GB3418663A GB3418663A GB1005278A GB 1005278 A GB1005278 A GB 1005278A GB 3418663 A GB3418663 A GB 3418663A GB 3418663 A GB3418663 A GB 3418663A GB 1005278 A GB1005278 A GB 1005278A
- Authority
- GB
- United Kingdom
- Prior art keywords
- prop
- hydraulic pit
- pit prop
- hydraulic
- klockerwerke
- 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
- 230000000284 resting effect Effects 0.000 abstract 1
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
- E21D15/58—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)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Pens And Brushes (AREA)
- Details Of Valves (AREA)
Abstract
1,005,278. Hydraulic pit props. KLOCKERWERKE A.G. Aug. 29, 1963, No. 34186/63. Heading E1E. In an hydraulic pit prop of the open circuit type the setting, relief and release valve assembly 1, see Fig. 2 (not shown), is completely sunk in the upper portion 2 of a block which has a shoulder 3 resting on the inner member 1 of the prop, a locating extension 4 disposed therein and a releasable connection such as screw-threaded means to a part of the prop such as the supply line 8 to the pressure chamber.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK50554A DE1255070B (en) | 1963-08-19 | 1963-08-19 | Setting gun for hydraulic pit rams of the open system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1005278A true GB1005278A (en) | 1965-09-22 |
Family
ID=7225665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3418663A Expired GB1005278A (en) | 1963-08-19 | 1963-08-29 | An hydraulic pit prop |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE651980A (en) |
| DE (1) | DE1255070B (en) |
| GB (1) | GB1005278A (en) |
| NL (1) | NL300061A (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1062654B (en) * | 1956-04-03 | 1959-08-06 | Kloeckner Bergbau Viktor Icker | Hydraulic pit ram |
| DE1074532B (en) * | 1956-05-30 | 1960-02-04 | BWG Bergwerk- und Walzwerk Maschinenbau GmbH Duisburg | Hydraulic pit ram |
| BE567926A (en) * | 1957-05-23 | |||
| NL264813A (en) * | 1960-05-21 |
-
0
- NL NL300061D patent/NL300061A/xx unknown
-
1963
- 1963-08-19 DE DEK50554A patent/DE1255070B/en active Pending
- 1963-08-29 GB GB3418663A patent/GB1005278A/en not_active Expired
-
1964
- 1964-08-19 BE BE651980D patent/BE651980A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE651980A (en) | 1964-12-16 |
| NL300061A (en) | |
| DE1255070B (en) | 1967-11-30 |
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