FR1580232A - - Google Patents
Info
- Publication number
- FR1580232A FR1580232A FR1580232DA FR1580232A FR 1580232 A FR1580232 A FR 1580232A FR 1580232D A FR1580232D A FR 1580232DA FR 1580232 A FR1580232 A FR 1580232A
- Authority
- FR
- France
- 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
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/10—Anchorings for conveyors
-
- 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanically-Actuated Valves (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Prostheses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0051862 | 1967-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1580232A true FR1580232A (en) | 1969-09-05 |
Family
ID=7129967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1580232D Expired FR1580232A (en) | 1967-12-09 | 1968-05-15 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1583138A1 (en) |
| ES (1) | ES357517A1 (en) |
| FR (1) | FR1580232A (en) |
| GB (1) | GB1212797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0695877A1 (en) * | 1994-08-03 | 1996-02-07 | HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG | Hydraulic damping device |
-
1967
- 1967-12-09 DE DE19671583138 patent/DE1583138A1/en active Pending
-
1968
- 1968-05-03 GB GB2111268A patent/GB1212797A/en not_active Expired
- 1968-05-15 FR FR1580232D patent/FR1580232A/fr not_active Expired
- 1968-08-24 ES ES357517A patent/ES357517A1/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0695877A1 (en) * | 1994-08-03 | 1996-02-07 | HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG | Hydraulic damping device |
Also Published As
| Publication number | Publication date |
|---|---|
| ES357517A1 (en) | 1970-03-16 |
| DE1583138A1 (en) | 1970-08-06 |
| GB1212797A (en) | 1970-11-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |