FR2266780B1 - - Google Patents
Info
- Publication number
- FR2266780B1 FR2266780B1 FR7508325A FR7508325A FR2266780B1 FR 2266780 B1 FR2266780 B1 FR 2266780B1 FR 7508325 A FR7508325 A FR 7508325A FR 7508325 A FR7508325 A FR 7508325A FR 2266780 B1 FR2266780 B1 FR 2266780B1
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/04—Air-ducts or air channels
-
- 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
- F16L55/033—Noise absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Duct Arrangements (AREA)
- Pipe Accessories (AREA)
- Ventilation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742417582 DE2417582C3 (de) | 1974-04-08 | 1974-04-08 | Lüftungskanalelement |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2266780A1 FR2266780A1 (en) | 1975-10-31 |
FR2266780B1 true FR2266780B1 (it) | 1980-05-09 |
Family
ID=5912715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7508325A Granted FR2266780A1 (en) | 1974-04-08 | 1975-03-18 | Ventilation channel element of asbestos cement - has inner and outer tubes with end section throttle coupling |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT334031B (it) |
BE (1) | BE825837A (it) |
DE (1) | DE2417582C3 (it) |
FR (1) | FR2266780A1 (it) |
IT (1) | IT1032614B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2757060C3 (de) * | 1977-12-21 | 1981-12-10 | Schako Metallwarenfabrik Ferdinand Schad Gmbh, Zweigniederlassung Kolbingen, 7201 Kolbingen | Abluftleitvorrichtung |
US4295416B1 (en) * | 1978-09-20 | 1995-10-17 | Mitco Corp | Air distribution system |
AU523932B2 (en) * | 1978-09-20 | 1982-08-19 | Mitco Corporation | Branch take-off + silencer for an air distribution system |
FR2501341B1 (fr) * | 1981-03-09 | 1986-04-11 | Toleries Bressane Sarl | Chambre d'aspiration pour gaines d'aeration des immeubles et procede de mise en oeuvre |
IT1180460B (it) * | 1984-03-29 | 1987-09-23 | Luciano Baccelliere | Canna fumaria elementi modulari prefabbricati |
CN113266158B (zh) * | 2021-06-04 | 2021-12-14 | 广州珠江外资建筑设计院有限公司 | 竖向混凝土土建中风管安装方法 |
-
1974
- 1974-04-08 DE DE19742417582 patent/DE2417582C3/de not_active Expired
-
1975
- 1975-02-21 BE BE153613A patent/BE825837A/xx not_active IP Right Cessation
- 1975-03-18 FR FR7508325A patent/FR2266780A1/fr active Granted
- 1975-04-02 AT AT248875A patent/AT334031B/de not_active IP Right Cessation
- 1975-04-07 IT IT6787975A patent/IT1032614B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2417582A1 (de) | 1975-10-09 |
BE825837A (nl) | 1975-06-16 |
ATA248875A (de) | 1976-04-15 |
AT334031B (de) | 1976-12-27 |
DE2417582C3 (de) | 1978-10-05 |
FR2266780A1 (en) | 1975-10-31 |
IT1032614B (it) | 1979-06-20 |
DE2417582B2 (de) | 1978-02-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |