DD244478A3 - HYDRAULIC WINCH FOR THE PREVENTION OF POWER PILOTS - Google Patents
HYDRAULIC WINCH FOR THE PREVENTION OF POWER PILOTS Download PDFInfo
- Publication number
- DD244478A3 DD244478A3 DD24746183A DD24746183A DD244478A3 DD 244478 A3 DD244478 A3 DD 244478A3 DD 24746183 A DD24746183 A DD 24746183A DD 24746183 A DD24746183 A DD 24746183A DD 244478 A3 DD244478 A3 DD 244478A3
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- prevention
- hydraulic winch
- power pilots
- hydraulic
- piston
- Prior art date
Links
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Transplanting Machines (AREA)
- Cosmetics (AREA)
Abstract
Die Erfindung betrifft den Bergbau. Ziel der Erfindung ist die Erhoehung der Zuverlaessigkeit des schnell-teilbaren Kolbens in hydraulischen Winden mit grossen Durchmessern und hohen Druecken. Erfindungsgemaess wird das dadurch erreicht, dass in der hydraulischen Winde zum Vorruecken der Vortriebsschilde die Kolbenhalbringe einen T-foermigen Querschnitt haben.The invention relates to mining. The aim of the invention is the increase of the reliability of the rapidly-divisible piston in hydraulic winches with large diameters and high pressures. According to the invention this is achieved in that in the hydraulic winch for advancing the propulsion shields, the piston half rings have a T-shaped cross-section.
Description
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- 2 - - 2 -
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU823457266A SU1108210A1 (en) | 1982-06-22 | 1982-06-22 | Mining shield hydraulic jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD244478A3 true DD244478A3 (en) | 1987-04-08 |
Family
ID=21018077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD24746183A DD244478A3 (en) | 1982-06-22 | 1983-01-25 | HYDRAULIC WINCH FOR THE PREVENTION OF POWER PILOTS |
Country Status (4)
| Country | Link |
|---|---|
| BG (1) | BG42292A1 (en) |
| CS (1) | CS255516B1 (en) |
| DD (1) | DD244478A3 (en) |
| SU (1) | SU1108210A1 (en) |
-
1982
- 1982-06-22 SU SU823457266A patent/SU1108210A1/en active
-
1983
- 1983-01-18 BG BG5937883A patent/BG42292A1/en unknown
- 1983-01-19 CS CS33483A patent/CS255516B1/en unknown
- 1983-01-25 DD DD24746183A patent/DD244478A3/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SU1108210A1 (en) | 1984-08-15 |
| BG42292A1 (en) | 1987-11-14 |
| CS255516B1 (en) | 1988-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A3 | Published as economic patent |