EP1544847A3 - Schallabsorbierendes flächiges Schaumstoffmaterial - Google Patents

Schallabsorbierendes flächiges Schaumstoffmaterial Download PDF

Info

Publication number
EP1544847A3
EP1544847A3 EP04029695A EP04029695A EP1544847A3 EP 1544847 A3 EP1544847 A3 EP 1544847A3 EP 04029695 A EP04029695 A EP 04029695A EP 04029695 A EP04029695 A EP 04029695A EP 1544847 A3 EP1544847 A3 EP 1544847A3
Authority
EP
European Patent Office
Prior art keywords
sound
foam sheet
absorbing foam
elevations
depressions
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.)
Withdrawn
Application number
EP04029695A
Other languages
English (en)
French (fr)
Other versions
EP1544847A2 (de
Inventor
Juergen Roellinghoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cellofoam GmbH and Co KG
Original Assignee
Cellofoam GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cellofoam GmbH and Co KG filed Critical Cellofoam GmbH and Co KG
Publication of EP1544847A2 publication Critical patent/EP1544847A2/de
Publication of EP1544847A3 publication Critical patent/EP1544847A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Laminated Bodies (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

Bei einem schallabsorbierenden, schichtförmigen Schaumstoffmaterial, dessen dem Schalleinfall zugewandte Oberfläche mit Erhöhungen und Vertiefungen versehen ist, wird über dieses Oberflächenprofil eine Folie derart gespannt, dass sie im Bereich der Erhöhungen am Schaumstoffmaterial anliegt und in einem Abstand über den Vertiefungen verläuft.
EP04029695A 2003-12-15 2004-12-15 Schallabsorbierendes flächiges Schaumstoffmaterial Withdrawn EP1544847A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003158593 DE10358593A1 (de) 2003-12-15 2003-12-15 Schallabsorbierendes flächiges Schaumstoffmaterial
DE10358593 2003-12-15

Publications (2)

Publication Number Publication Date
EP1544847A2 EP1544847A2 (de) 2005-06-22
EP1544847A3 true EP1544847A3 (de) 2013-01-09

Family

ID=34485378

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04029695A Withdrawn EP1544847A3 (de) 2003-12-15 2004-12-15 Schallabsorbierendes flächiges Schaumstoffmaterial

Country Status (2)

Country Link
EP (1) EP1544847A3 (de)
DE (1) DE10358593A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108281133A (zh) * 2018-03-13 2018-07-13 吉林大学 具有球形凹坑仿生非光滑表面聚氨酯泡沫板及制备方法
CN114648972B (zh) * 2020-12-18 2025-10-24 香港大学浙江科学技术研究院 吸声结构和吸声装置
CN113593509B (zh) * 2021-07-14 2022-05-31 中国空气动力研究与发展中心低速空气动力研究所 一种高效隔声及低噪声辐射的复合结构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984312A (en) * 1959-04-24 1961-05-16 Owens Corning Fiberglass Corp Acoustical wall board
DE3219339C1 (de) * 1982-05-22 1983-02-03 Metzeler Schaum Gmbh, 8940 Memmingen Flaechiges Element zur Luftschall-Absorption
DE3313001A1 (de) * 1983-04-12 1984-10-18 Volkswagenwerk Ag, 3180 Wolfsburg Schallabsorbierende schicht
DE19652527A1 (de) * 1996-12-17 1998-06-18 Faist M Gmbh & Co Kg Absorber zum Absorbieren akustischer Schallwellen
DE19804567A1 (de) * 1998-02-05 1999-08-12 Wolf Woco & Co Franz J Flächenabsorber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984312A (en) * 1959-04-24 1961-05-16 Owens Corning Fiberglass Corp Acoustical wall board
DE3219339C1 (de) * 1982-05-22 1983-02-03 Metzeler Schaum Gmbh, 8940 Memmingen Flaechiges Element zur Luftschall-Absorption
DE3313001A1 (de) * 1983-04-12 1984-10-18 Volkswagenwerk Ag, 3180 Wolfsburg Schallabsorbierende schicht
DE19652527A1 (de) * 1996-12-17 1998-06-18 Faist M Gmbh & Co Kg Absorber zum Absorbieren akustischer Schallwellen
DE19804567A1 (de) * 1998-02-05 1999-08-12 Wolf Woco & Co Franz J Flächenabsorber

Also Published As

Publication number Publication date
EP1544847A2 (de) 2005-06-22
DE10358593A1 (de) 2005-07-14

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