FR1585864A - - Google Patents
Info
- Publication number
- FR1585864A FR1585864A FR1585864DA FR1585864A FR 1585864 A FR1585864 A FR 1585864A FR 1585864D A FR1585864D A FR 1585864DA FR 1585864 A FR1585864 A FR 1585864A
- 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
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86919—Sequentially closing and opening alternately seating flow controllers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87217—Motor
- Y10T137/87225—Fluid motor
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)
- Fluid-Pressure Circuits (AREA)
- Safety Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6600072A NL6600072A (en) | 1966-01-04 | 1966-01-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1585864A true FR1585864A (en) | 1970-02-06 |
Family
ID=19795381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1585864D Expired FR1585864A (en) | 1966-01-04 | 1967-01-04 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3437011A (en) |
DE (1) | DE1533767A1 (en) |
FR (1) | FR1585864A (en) |
GB (1) | GB1158646A (en) |
NL (1) | NL6600072A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2519397A1 (en) * | 1981-12-31 | 1983-07-08 | Herckelbout Jacques | INTERMITTENT DRIVE OF A SHAFT |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1187208A (en) * | 1966-05-25 | 1970-04-08 | Dobson Ltd W E & F | Improvements in or relating to a Pilot-operable Hydraulic Valve |
DE1916334A1 (en) * | 1969-03-29 | 1970-10-08 | Teves Gmbh Alfred | Control valve in the form of a seat valve |
US4026193A (en) * | 1974-09-19 | 1977-05-31 | Raymond International Inc. | Hydraulically driven hammer system |
AT391348B (en) * | 1988-12-29 | 1990-09-25 | Boehler Pneumatik Int Gmbh | CONTROL VALVE FOR A COUNTERBACK STITCH HOLE DRILL |
US20090283160A1 (en) | 2008-05-02 | 2009-11-19 | James Fishwick | Fluid flow control device and control circuit |
US8205632B2 (en) * | 2008-05-02 | 2012-06-26 | Bifold Fluidpower Limited | Fluid flow control device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1032021A (en) * | 1964-01-14 | 1966-06-08 | Dowty Mining Equipment Ltd | Advanceable roof support assembly |
GB1022469A (en) * | 1964-02-11 | 1966-03-16 | Dowty Mining Equipment Ltd | Roof support assembly suitable for use in mines |
-
1966
- 1966-01-04 NL NL6600072A patent/NL6600072A/xx unknown
-
1967
- 1967-01-02 DE DE19671533767 patent/DE1533767A1/en active Pending
- 1967-01-03 GB GB362/67A patent/GB1158646A/en not_active Expired
- 1967-01-03 US US607059A patent/US3437011A/en not_active Expired - Lifetime
- 1967-01-04 FR FR1585864D patent/FR1585864A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2519397A1 (en) * | 1981-12-31 | 1983-07-08 | Herckelbout Jacques | INTERMITTENT DRIVE OF A SHAFT |
Also Published As
Publication number | Publication date |
---|---|
DE1533767A1 (en) | 1970-07-23 |
GB1158646A (en) | 1969-07-16 |
NL6600072A (en) | 1967-07-05 |
US3437011A (en) | 1969-04-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |