FR2205625A1 - - Google Patents
Info
- Publication number
- FR2205625A1 FR2205625A1 FR7339236A FR7339236A FR2205625A1 FR 2205625 A1 FR2205625 A1 FR 2205625A1 FR 7339236 A FR7339236 A FR 7339236A FR 7339236 A FR7339236 A FR 7339236A FR 2205625 A1 FR2205625 A1 FR 2205625A1
- 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.)
- Granted
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
-
- 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Duct Arrangements (AREA)
- Pipe Accessories (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722254159 DE2254159C3 (de) | 1972-11-04 | 1972-11-04 | Schalldämpfer für Luttenlüfter des Untertagebetriebes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2205625A1 true FR2205625A1 (enExample) | 1974-05-31 |
| FR2205625B1 FR2205625B1 (enExample) | 1980-10-03 |
Family
ID=5860893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7339236A Expired FR2205625B1 (enExample) | 1972-11-04 | 1973-11-05 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2254159C3 (enExample) |
| FR (1) | FR2205625B1 (enExample) |
| GB (1) | GB1442190A (enExample) |
| PL (1) | PL91154B1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2402634A1 (fr) * | 1977-09-08 | 1979-04-06 | Nederlandse Steenwolfabriek Nv | Revetement isolant |
| FR2564532A1 (fr) * | 1984-05-18 | 1985-11-22 | Midi Houilleres Bassin Centre | Silencieux regenerables in situ pour ventilateurs dans les installations de ventilation alimentees en air empoussiere et procede de regeneration in situ de ces silencieux. |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2049868A (en) * | 1979-05-15 | 1980-12-31 | Domnick A | Fire-protection sleeve and method of producing it |
| FR2729211A1 (fr) * | 1995-01-06 | 1996-07-12 | Villain Sa | Ensemble d'isolation de tuyaux forme d'elements et procede de fabrication de tels elements |
| SE516302C2 (sv) * | 1999-03-26 | 2001-12-17 | Paroc Group Oy Ab | Ljuddämparinsats för luft- eller gaskanaler |
| RU2389885C1 (ru) * | 2009-01-16 | 2010-05-20 | Олег Савельевич Кочетов | Камерный элемент глушителя шума кочетова |
| IT201900015345A1 (it) * | 2019-09-02 | 2021-03-02 | Carpenteria Leggera Aerotecnica C L A S R L | Silenziatore per ventilatori, particolarmente per tunnel automobilistici e simili. |
-
1972
- 1972-11-04 DE DE19722254159 patent/DE2254159C3/de not_active Expired
-
1973
- 1973-10-25 GB GB4971473A patent/GB1442190A/en not_active Expired
- 1973-11-02 PL PL16628573A patent/PL91154B1/pl unknown
- 1973-11-05 FR FR7339236A patent/FR2205625B1/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2402634A1 (fr) * | 1977-09-08 | 1979-04-06 | Nederlandse Steenwolfabriek Nv | Revetement isolant |
| FR2564532A1 (fr) * | 1984-05-18 | 1985-11-22 | Midi Houilleres Bassin Centre | Silencieux regenerables in situ pour ventilateurs dans les installations de ventilation alimentees en air empoussiere et procede de regeneration in situ de ces silencieux. |
| EP0165145A1 (fr) * | 1984-05-18 | 1985-12-18 | CHARBONNAGES DE FRANCE, Etablissement public dit: | Silencieux régénérable in situ pour ventilateur dans les installations de ventilation alimentées en air empoussiéré et procédé de régénération in situ de ce silencieux |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1442190A (en) | 1976-07-07 |
| FR2205625B1 (enExample) | 1980-10-03 |
| DE2254159A1 (de) | 1974-05-09 |
| DE2254159C3 (de) | 1979-09-27 |
| DE2254159B2 (de) | 1979-02-08 |
| PL91154B1 (enExample) | 1977-02-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |