FR2258901B3 - - Google Patents
Info
- Publication number
- FR2258901B3 FR2258901B3 FR7422407A FR7422407A FR2258901B3 FR 2258901 B3 FR2258901 B3 FR 2258901B3 FR 7422407 A FR7422407 A FR 7422407A FR 7422407 A FR7422407 A FR 7422407A FR 2258901 B3 FR2258901 B3 FR 2258901B3
- 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
- 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
-
- 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
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
- E21C35/226—Control valves for the spraying liquid used in dust suppression systems
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)
- Spray Control Apparatus (AREA)
- Catching Or Destruction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2404345A DE2404345A1 (de) | 1974-01-30 | 1974-01-30 | Beduesungsvorrichtung, insbesondere fuer untertaegige gewinnungsbetriebe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2258901A1 FR2258901A1 (xx) | 1975-08-22 |
| FR2258901B3 true FR2258901B3 (xx) | 1977-05-06 |
Family
ID=5906068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7422407A Expired FR2258901B3 (xx) | 1974-01-30 | 1974-06-27 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2404345A1 (xx) |
| FR (1) | FR2258901B3 (xx) |
| GB (1) | GB1487686A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4964391A (en) * | 1989-05-30 | 1990-10-23 | Walbro Corporation | Check valve for engine fuel delivery systems |
| GB9004391D0 (en) * | 1990-02-27 | 1990-04-25 | Timmins John A | Simplified valve control |
| CN110359946B (zh) * | 2019-07-24 | 2020-10-23 | 安徽友邦矿业有限公司 | 一种雾炮机 |
| CN110821549A (zh) * | 2019-11-18 | 2020-02-21 | 徐州正兴除尘设备制造有限公司 | 一种具有降尘净化功能的环保型除尘装置 |
-
1974
- 1974-01-30 DE DE2404345A patent/DE2404345A1/de active Pending
- 1974-06-27 FR FR7422407A patent/FR2258901B3/fr not_active Expired
-
1975
- 1975-01-27 GB GB3480/75A patent/GB1487686A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2404345A1 (de) | 1975-08-07 |
| FR2258901A1 (xx) | 1975-08-22 |
| GB1487686A (en) | 1977-10-05 |