MX151616A - Mejoras a gato telescopico hidraulico para soportar techos de minas y semejantes - Google Patents
Mejoras a gato telescopico hidraulico para soportar techos de minas y semejantesInfo
- Publication number
- MX151616A MX151616A MX183471A MX18347180A MX151616A MX 151616 A MX151616 A MX 151616A MX 183471 A MX183471 A MX 183471A MX 18347180 A MX18347180 A MX 18347180A MX 151616 A MX151616 A MX 151616A
- Authority
- MX
- Mexico
- Prior art keywords
- hydraulic telescopic
- telescopic jack
- mine roofs
- support mine
- support
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7927547 | 1979-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX151616A true MX151616A (es) | 1985-01-14 |
Family
ID=10507057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX183471A MX151616A (es) | 1979-08-07 | 1980-08-06 | Mejoras a gato telescopico hidraulico para soportar techos de minas y semejantes |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU534250B2 (es) |
DE (1) | DE3029757A1 (es) |
FR (1) | FR2463306A1 (es) |
IN (1) | IN154411B (es) |
MX (1) | MX151616A (es) |
ZA (1) | ZA804072B (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3728415A1 (de) * | 1987-04-14 | 1988-11-03 | Juergen Dipl Ing Schaefer | Teleskoprohr |
CN109707678B (zh) * | 2018-12-28 | 2020-12-11 | 北京天地玛珂电液控制系统有限公司 | 增压缸、液压冲击测试系统及方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE595295C (de) * | 1927-11-02 | 1934-07-14 | Armin Tenner Fa | Hydraulische Kippvorrichtung, insbesondere fuer Kraftfahrzeuge |
DE963750C (de) * | 1955-06-22 | 1957-05-09 | Demag Ag | Hydraulischer Zylinder mit teleskopartig ineinanderschiebbaren Kolben |
FR1365193A (fr) * | 1963-08-06 | 1964-06-26 | Yale & Towne Mfg Co | Vérin élévateur télescopique |
BE655844A (es) * | 1963-11-29 | 1965-03-16 | ||
DE1226972B (de) * | 1964-10-20 | 1966-10-20 | Gewerk Eisenhuette Westfalia | Hydraulischer Doppel-Teleskopstempel |
CH501156A (de) * | 1968-12-28 | 1970-12-31 | Pesci Spa Carlo | Verfahren und Vorrichtung zur Steuerung von teleskopartigen, hydraulischen Mehrkolben-Arbeitszylindern |
US3610100A (en) * | 1969-06-12 | 1971-10-05 | Koehring Co | Telescopic actuator |
DE2253646C3 (de) * | 1972-11-02 | 1980-08-21 | Montan-Hydraulik Gmbh & Co Kg, 4755 Holzwickede | Mehrstufiger hydraulischer Teleskopzylinder |
DE2403852C3 (de) * | 1974-01-28 | 1981-01-08 | Gewerkschaft Eisenhuette Westfalia, 4670 Luenen | Hydraulischer Teleskopstempel für den Grubenausbau |
DE2537715C3 (de) * | 1975-08-23 | 1980-11-06 | Saarbergwerke Ag, 6600 Saarbruecken | Druckminderventilanordnung und -ausbildung für die Verbindung der beiden Druckräume eines zweistufigen teleskopischen Grubenstempels |
-
1980
- 1980-07-07 ZA ZA00804072A patent/ZA804072B/xx unknown
- 1980-07-08 IN IN500/DEL/80A patent/IN154411B/en unknown
- 1980-07-31 AU AU60960/80A patent/AU534250B2/en not_active Ceased
- 1980-08-06 DE DE19803029757 patent/DE3029757A1/de not_active Ceased
- 1980-08-06 FR FR8017342A patent/FR2463306A1/fr active Granted
- 1980-08-06 MX MX183471A patent/MX151616A/es unknown
Also Published As
Publication number | Publication date |
---|---|
DE3029757A1 (de) | 1981-02-26 |
ZA804072B (en) | 1981-06-24 |
FR2463306B1 (es) | 1984-10-12 |
AU6096080A (en) | 1982-02-11 |
FR2463306A1 (fr) | 1981-02-20 |
AU534250B2 (en) | 1984-01-12 |
IN154411B (es) | 1984-10-27 |
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