AT359953B - Vorrichtung zur nahezu kontinuierlichen druck- beaufschlagung einer stempelrueckvorrichtung, eines ausbaurahmens od. dgl. - Google Patents
Vorrichtung zur nahezu kontinuierlichen druck- beaufschlagung einer stempelrueckvorrichtung, eines ausbaurahmens od. dgl.Info
- Publication number
- AT359953B AT359953B AT560178A AT560178A AT359953B AT 359953 B AT359953 B AT 359953B AT 560178 A AT560178 A AT 560178A AT 560178 A AT560178 A AT 560178A AT 359953 B AT359953 B AT 359953B
- Authority
- AT
- Austria
- Prior art keywords
- dgl
- removal frame
- continuously pressurizing
- punch back
- closely continuously
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
- E21F13/086—Armoured conveyors shifting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/08—Guiding the machine
- E21C35/12—Guiding the machine along a conveyor for the cut material
- E21C35/14—Equipment for pressing the conveyor towards the working face
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
- E21D23/18—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms
- E21D23/20—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices of advancing mechanisms for sequential movement, e.g. one behind the other
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Earth Drilling (AREA)
- Actuator (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7725269A FR2400630A1 (fr) | 1977-08-18 | 1977-08-18 | Dispositif de poussage au moyen de verins hydrauliques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA560178A ATA560178A (de) | 1980-05-15 |
| AT359953B true AT359953B (de) | 1980-12-10 |
Family
ID=9194601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT560178A AT359953B (de) | 1977-08-18 | 1978-08-02 | Vorrichtung zur nahezu kontinuierlichen druck- beaufschlagung einer stempelrueckvorrichtung, eines ausbaurahmens od. dgl. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4248136A (de) |
| JP (1) | JPS5445466A (de) |
| AT (1) | AT359953B (de) |
| AU (1) | AU522531B2 (de) |
| BE (1) | BE869724A (de) |
| CA (1) | CA1093938A (de) |
| DE (1) | DE2833725A1 (de) |
| ES (1) | ES472521A1 (de) |
| FR (1) | FR2400630A1 (de) |
| GB (1) | GB2002063B (de) |
| PL (1) | PL113648B1 (de) |
| YU (1) | YU194878A (de) |
| ZA (1) | ZA784426B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7306108B2 (en) | 2004-04-13 | 2007-12-11 | Berry Plastics Corporation | Closure with vents for venting during molding of a liner, method of forming a liner in a closure, and device for forming a liner in a closure |
| CN109826928B (zh) * | 2019-02-01 | 2023-11-17 | 浙江工业大学 | 一种直线运动变速变行程合成系统 |
| CN116181721B (zh) * | 2023-02-16 | 2025-07-25 | 中国铁建重工集团股份有限公司 | 一种钻机液压控制系统及救援钻机 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR959904A (de) | 1950-04-07 | |||
| US1987003A (en) * | 1934-07-13 | 1935-01-08 | Myron W Dole | Duplex steam engine |
| US2890658A (en) * | 1956-07-10 | 1959-06-16 | Skf Svenska Kullagerfab Ab | Pneumatic liquid pressure pump |
| FR1361466A (fr) * | 1963-04-09 | 1964-05-22 | Hispano Suiza Sa | Perfectionnements apportés aux installations de commande hydraulique à appareils récepteurs à double effet |
| DE1910107U (de) | 1964-10-12 | 1965-02-18 | Licentia Gmbh | Anordnung von spulenkernen. |
| DE1963353A1 (de) | 1969-12-18 | 1971-06-24 | Gewerk Eisenhuette Westfalia | Hubsteuerung eines Rueckzylinders |
-
1977
- 1977-08-18 FR FR7725269A patent/FR2400630A1/fr active Granted
-
1978
- 1978-08-01 DE DE19782833725 patent/DE2833725A1/de not_active Withdrawn
- 1978-08-02 AT AT560178A patent/AT359953B/de not_active IP Right Cessation
- 1978-08-02 GB GB7831932A patent/GB2002063B/en not_active Expired
- 1978-08-03 CA CA308,664A patent/CA1093938A/fr not_active Expired
- 1978-08-03 ZA ZA00784426A patent/ZA784426B/xx unknown
- 1978-08-07 US US05/931,729 patent/US4248136A/en not_active Expired - Lifetime
- 1978-08-08 AU AU38736/78A patent/AU522531B2/en not_active Expired
- 1978-08-11 BE BE7846571A patent/BE869724A/xx not_active IP Right Cessation
- 1978-08-11 ES ES472521A patent/ES472521A1/es not_active Expired
- 1978-08-15 YU YU01948/78A patent/YU194878A/xx unknown
- 1978-08-16 PL PL1978209081A patent/PL113648B1/pl unknown
- 1978-08-17 JP JP9959378A patent/JPS5445466A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB2002063A (en) | 1979-02-14 |
| YU194878A (en) | 1982-08-31 |
| ATA560178A (de) | 1980-05-15 |
| FR2400630B1 (de) | 1980-09-12 |
| AU522531B2 (en) | 1982-06-10 |
| PL113648B1 (en) | 1980-12-31 |
| BE869724A (fr) | 1979-02-12 |
| PL209081A1 (pl) | 1979-05-21 |
| GB2002063B (en) | 1982-01-27 |
| DE2833725A1 (de) | 1979-03-01 |
| US4248136A (en) | 1981-02-03 |
| ZA784426B (en) | 1979-07-25 |
| ES472521A1 (es) | 1979-04-01 |
| FR2400630A1 (fr) | 1979-03-16 |
| JPS5445466A (en) | 1979-04-10 |
| CA1093938A (fr) | 1981-01-20 |
| AU3873678A (en) | 1980-02-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |