FR2414771A1 - Perfectionnements aux ecrans acoustiques - Google Patents
Perfectionnements aux ecrans acoustiquesInfo
- Publication number
- FR2414771A1 FR2414771A1 FR7801220A FR7801220A FR2414771A1 FR 2414771 A1 FR2414771 A1 FR 2414771A1 FR 7801220 A FR7801220 A FR 7801220A FR 7801220 A FR7801220 A FR 7801220A FR 2414771 A1 FR2414771 A1 FR 2414771A1
- Authority
- FR
- France
- Prior art keywords
- layer
- coachwork
- uniform
- thickness
- weight
- Prior art date
- 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
-
- 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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7801220A FR2414771A1 (fr) | 1978-01-17 | 1978-01-17 | Perfectionnements aux ecrans acoustiques |
DE19792901469 DE2901469A1 (de) | 1978-01-17 | 1979-01-16 | Akustisch isolierende abschirmung und schichtanordnung aus dieser abschirmung |
BE2/57549A BE873517A (fr) | 1978-01-17 | 1979-01-17 | Perfectionnements aux ecrans acoustiques et aux sandwiches comportant de tels ecrans |
IT19351/79A IT1110803B (it) | 1978-01-17 | 1979-01-17 | Schermo destinato a rinforzare l'isolamento acustico di una parete rigida,in particolare di una lamiera posta tra un motore di autoveicolo e l'abitacolo,oppure un soffitto o muro |
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 (2)
Publication Number | Publication Date |
---|---|
FR2414771A1 true FR2414771A1 (fr) | 1979-08-10 |
FR2414771B1 FR2414771B1 (pt) | 1983-01-28 |
Family
ID=9203544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7801220A Granted FR2414771A1 (fr) | 1978-01-17 | 1978-01-17 | Perfectionnements aux ecrans acoustiques |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE873517A (pt) |
DE (1) | DE2901469A1 (pt) |
FR (1) | FR2414771A1 (pt) |
IT (1) | IT1110803B (pt) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0878589A2 (de) * | 1997-05-14 | 1998-11-18 | Arne Petersohn | Verfahren zum Herstellen eines Schallschultzelementes für Bauten |
ITBZ20080054A1 (it) * | 2008-12-18 | 2010-06-19 | Paolo 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 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10128207A1 (de) * | 2001-06-11 | 2002-12-12 | Alveo Ag Luzern | Wiederverwertbares, Luftschall absorbierendes Formteil und Verfahren zu seiner Herstellung |
Citations (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 BE BE2/57549A patent/BE873517A/xx unknown
- 1979-01-17 IT IT19351/79A patent/IT1110803B/it active
Patent Citations (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 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0878589A2 (de) * | 1997-05-14 | 1998-11-18 | Arne Petersohn | Verfahren zum Herstellen eines Schallschultzelementes für Bauten |
EP0878589A3 (de) * | 1997-05-14 | 2000-03-29 | Arne Petersohn | Verfahren zum Herstellen eines Schallschultzelementes für Bauten |
ITBZ20080054A1 (it) * | 2008-12-18 | 2010-06-19 | Paolo 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 |
EP2363545A3 (en) * | 2008-12-18 | 2011-12-07 | Paolo Ugolini | Ecological panel for energy saving |
Also Published As
Publication number | Publication date |
---|---|
BE873517A (fr) | 1979-07-17 |
DE2901469A1 (de) | 1979-07-19 |
IT7919351A0 (it) | 1979-01-17 |
FR2414771B1 (pt) | 1983-01-28 |
IT1110803B (it) | 1986-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |