BE873517A - Perfectionnements aux ecrans acoustiques et aux sandwiches comportant de tels ecrans - Google Patents
Perfectionnements aux ecrans acoustiques et aux sandwiches comportant de tels ecransInfo
- Publication number
- BE873517A BE873517A BE2/57549A BE2057549A BE873517A BE 873517 A BE873517 A BE 873517A BE 2/57549 A BE2/57549 A BE 2/57549A BE 2057549 A BE2057549 A BE 2057549A BE 873517 A BE873517 A BE 873517A
- Authority
- BE
- Belgium
- Prior art keywords
- screens
- advanced acoustic
- sandwiches containing
- sandwiches
- advanced
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
- G10K11/168—Plural layers of different materials, e.g. sandwiches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/08—Cars
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7801220A FR2414771A1 (fr) | 1978-01-17 | 1978-01-17 | Perfectionnements aux ecrans acoustiques |
Publications (1)
Publication Number | Publication Date |
---|---|
BE873517A true BE873517A (fr) | 1979-07-17 |
Family
ID=9203544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2/57549A BE873517A (fr) | 1978-01-17 | 1979-01-17 | Perfectionnements aux ecrans acoustiques et aux sandwiches comportant de tels ecrans |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE873517A (US07179912-20070220-C00144.png) |
DE (1) | DE2901469A1 (US07179912-20070220-C00144.png) |
FR (1) | FR2414771A1 (US07179912-20070220-C00144.png) |
IT (1) | IT1110803B (US07179912-20070220-C00144.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0878589A3 (de) * | 1997-05-14 | 2000-03-29 | Arne Petersohn | Verfahren zum Herstellen eines Schallschultzelementes für Bauten |
DE10128207A1 (de) * | 2001-06-11 | 2002-12-12 | Alveo Ag Luzern | Wiederverwertbares, Luftschall absorbierendes Formteil und Verfahren zu seiner Herstellung |
IT1392453B1 (it) * | 2008-12-18 | 2012-03-09 | Ugolini | Pannello ecologico isolante in legno a lamine orientate accoppiato con un tessuto in cotone intrecciato con filamenti in rame concepito sia per applicazioni strutturali in vario genere che industriali ad elevato risparmio energetico |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2057731A (en) * | 1931-01-03 | 1936-10-20 | Celotex Corp | Sound absorbing material |
DE837014C (de) * | 1950-12-06 | 1952-04-17 | Triangeler Torf Und Leichtbaup | Schallschluck- oder Daemmplatte mit einer Daempfungs-bzw. Daemmschicht aus langfaserigen Stoffen |
GB1412926A (en) * | 1973-06-15 | 1975-11-05 | Messerschmitt Boelkow Blohm | Structures of sandwich construction |
-
1978
- 1978-01-17 FR FR7801220A patent/FR2414771A1/fr active Granted
-
1979
- 1979-01-16 DE DE19792901469 patent/DE2901469A1/de not_active Withdrawn
- 1979-01-17 IT IT19351/79A patent/IT1110803B/it active
- 1979-01-17 BE BE2/57549A patent/BE873517A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
IT7919351A0 (it) | 1979-01-17 |
FR2414771A1 (fr) | 1979-08-10 |
IT1110803B (it) | 1986-01-06 |
DE2901469A1 (de) | 1979-07-19 |
FR2414771B1 (US07179912-20070220-C00144.png) | 1983-01-28 |
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