FR2473408B1 - - Google Patents
Info
- Publication number
- FR2473408B1 FR2473408B1 FR7931180A FR7931180A FR2473408B1 FR 2473408 B1 FR2473408 B1 FR 2473408B1 FR 7931180 A FR7931180 A FR 7931180A FR 7931180 A FR7931180 A FR 7931180A FR 2473408 B1 FR2473408 B1 FR 2473408B1
- 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
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/8409—Sound-absorbing elements sheet-shaped
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Building Environments (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7931180A FR2473408A1 (fr) | 1979-12-12 | 1979-12-12 | Rideau d'isolation phonique en feuille flexible a base de pvc plastifiee |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7931180A FR2473408A1 (fr) | 1979-12-12 | 1979-12-12 | Rideau d'isolation phonique en feuille flexible a base de pvc plastifiee |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2473408A1 FR2473408A1 (fr) | 1981-07-17 |
| FR2473408B1 true FR2473408B1 (OSRAM) | 1982-10-01 |
Family
ID=9232966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7931180A Granted FR2473408A1 (fr) | 1979-12-12 | 1979-12-12 | Rideau d'isolation phonique en feuille flexible a base de pvc plastifiee |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2473408A1 (OSRAM) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3253947A (en) * | 1961-03-03 | 1966-05-31 | Porter Co Inc H K | Flexible sound attenuating material |
| US3322233A (en) * | 1964-12-03 | 1967-05-30 | Porter Co H K | Sound control product |
| US4112175A (en) * | 1974-06-20 | 1978-09-05 | Toray Industries, Inc. | Sound insulating sheet containing lead fibers |
| DE2534188C2 (de) * | 1975-07-31 | 1990-08-23 | Basf Ag, 6700 Ludwigshafen | Formteile mit glatten Oberflächen aus glasfaserverstärkten Kunststoffen |
-
1979
- 1979-12-12 FR FR7931180A patent/FR2473408A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2473408A1 (fr) | 1981-07-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |