FR2216435B1 - - Google Patents
Info
- Publication number
- FR2216435B1 FR2216435B1 FR7325518A FR7325518A FR2216435B1 FR 2216435 B1 FR2216435 B1 FR 2216435B1 FR 7325518 A FR7325518 A FR 7325518A FR 7325518 A FR7325518 A FR 7325518A FR 2216435 B1 FR2216435 B1 FR 2216435B1
- 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 DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/226—Control valves for the spraying liquid used in dust suppression systems
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2305361A DE2305361A1 (de) | 1973-02-03 | 1973-02-03 | Vorrichtung zur automatischen wasserbeduesung in bergbau-gewinnungsbetrieben |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2216435A1 FR2216435A1 (es) | 1974-08-30 |
| FR2216435B1 true FR2216435B1 (es) | 1977-05-13 |
Family
ID=5870867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7325518A Expired FR2216435B1 (es) | 1973-02-03 | 1973-07-12 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3859801A (es) |
| BE (1) | BE802617A (es) |
| CS (1) | CS175357B2 (es) |
| DE (1) | DE2305361A1 (es) |
| ES (1) | ES192697Y (es) |
| FR (1) | FR2216435B1 (es) |
| GB (1) | GB1459246A (es) |
| PL (1) | PL86438B1 (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4052035A (en) * | 1975-11-20 | 1977-10-04 | Conservocon, Inc. | Remotely-controlled valve |
| DE3010415A1 (de) * | 1980-03-19 | 1981-09-24 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Vorrichtung zur staubbekaempfung in einem streb |
| DE3104362A1 (de) * | 1981-02-07 | 1982-08-19 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulisch entsperrbares rueckschlagventil fuer hydraulische hochdrucksysteme, insbesondere fuer hydraulische ausbausysteme in bergbau-untertagebetrieben |
| DE3111435A1 (de) * | 1981-03-24 | 1982-10-07 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulisch entsperrbares rueckschlagventil fuer hydraulische hochdrucksysteme, insbesondere fuer hydraulische ausbausysteme in bergbau-untertagebetrieben |
| DE3317449C2 (de) * | 1983-05-13 | 1986-07-03 | Ecker Maschinenbau GmbH, 6680 Neunkirchen | Sprühventil für die Gruppenbedüsung des Schildausbaues |
| DE3530361A1 (de) * | 1985-08-24 | 1987-02-26 | Gag Grubenausbau Gmbh | Beduesungsventil |
| DE4123610C2 (de) * | 1991-07-17 | 1994-04-28 | Vos Richard Grubenausbau Gmbh | Einstellbares Bedüsungsventil |
| DE4323462C2 (de) * | 1993-07-14 | 1995-05-04 | Vos Richard Grubenausbau Gmbh | Ausbaustempel für den Untertageeinsatz mit integriertem Druckbegrenzungsventil |
| AU2016259352B2 (en) | 2015-12-04 | 2022-06-30 | Joy Global Underground Mining Llc | Spray nozzle for underground roof support |
| GB2593310B (en) | 2018-10-29 | 2023-02-08 | Joy Global Underground Mining Llc | Roof support connector |
| CN111022075B (zh) * | 2019-10-29 | 2021-02-12 | 中铁五局集团第一工程有限责任公司 | 一种隧道设备 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2693950A (en) * | 1950-01-12 | 1954-11-09 | Joy Mfg Co | Dust wetting and removing apparatus |
| US2938347A (en) * | 1957-10-30 | 1960-05-31 | Malcolm B Sturgis | Power source for hydraulically operated devices |
| US3813126A (en) * | 1972-10-02 | 1974-05-28 | Bendix Corp | Continuously operable underground mining vehicle |
-
1973
- 1973-02-03 DE DE2305361A patent/DE2305361A1/de active Pending
- 1973-06-20 ES ES1973192697U patent/ES192697Y/es not_active Expired
- 1973-07-10 PL PL1973163950A patent/PL86438B1/pl unknown
- 1973-07-12 FR FR7325518A patent/FR2216435B1/fr not_active Expired
- 1973-07-20 BE BE133712A patent/BE802617A/xx not_active IP Right Cessation
- 1973-08-31 CS CS6096A patent/CS175357B2/cs unknown
-
1974
- 1974-01-28 US US437093A patent/US3859801A/en not_active Expired - Lifetime
- 1974-02-01 GB GB472374A patent/GB1459246A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES192697Y (es) | 1975-01-01 |
| DE2305361A1 (de) | 1974-08-08 |
| US3859801A (en) | 1975-01-14 |
| PL86438B1 (es) | 1976-05-31 |
| BE802617A (fr) | 1973-11-16 |
| ES192697U (es) | 1974-09-16 |
| GB1459246A (en) | 1976-12-22 |
| FR2216435A1 (es) | 1974-08-30 |
| CS175357B2 (es) | 1977-05-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |