EP1544846A3 - Schallabsorbierendes flächiges Schaumstoffmaterial - Google Patents

Schallabsorbierendes flächiges Schaumstoffmaterial Download PDF

Info

Publication number
EP1544846A3
EP1544846A3 EP04029672A EP04029672A EP1544846A3 EP 1544846 A3 EP1544846 A3 EP 1544846A3 EP 04029672 A EP04029672 A EP 04029672A EP 04029672 A EP04029672 A EP 04029672A EP 1544846 A3 EP1544846 A3 EP 1544846A3
Authority
EP
European Patent Office
Prior art keywords
foam material
sound
sound absorbing
absorbing foam
flat sound
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
Application number
EP04029672A
Other languages
English (en)
French (fr)
Other versions
EP1544846B1 (de
EP1544846A2 (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
Priority to PL04029672T priority Critical patent/PL1544846T3/pl
Publication of EP1544846A2 publication Critical patent/EP1544846A2/de
Publication of EP1544846A3 publication Critical patent/EP1544846A3/de
Application granted granted Critical
Publication of EP1544846B1 publication Critical patent/EP1544846B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

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

Abstract

Bei einem schallabsorbierenden, schichtförmigen Schaumstoffmaterial (1) wird die Schallabsorption erheblich verbessert, wenn die dem Schalleinfall zugewandte Oberfläche mit Erhöhungen (1a) und Vertiefungen (1b) derart versehen ist, dass im Verhältnis zu einer Schaumstoffschicht von einheitlicher Dicke und gleichem Volumen pro Flächeneinheit die Oberfläche für den einfallenden Schall etwa auf das Doppelte vergrößert ist, wobei das Schaumstoffmaterial eine mikroporöse Oberflächenschicht (1c) aufweist.
EP20040029672 2003-12-15 2004-12-15 Schallabsorbierendes flächiges Schaumstoffmaterial Expired - Lifetime EP1544846B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04029672T PL1544846T3 (pl) 2003-12-15 2004-12-15 Pochłaniający dźwięk płaski materiał z tworzywa piankowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10358595A DE10358595A1 (de) 2003-12-15 2003-12-15 Schallabsorbierendes flächiges Schaumstoffmaterial
DE10358595 2003-12-15

Publications (3)

Publication Number Publication Date
EP1544846A2 EP1544846A2 (de) 2005-06-22
EP1544846A3 true EP1544846A3 (de) 2012-11-28
EP1544846B1 EP1544846B1 (de) 2015-04-22

Family

ID=34485379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040029672 Expired - Lifetime EP1544846B1 (de) 2003-12-15 2004-12-15 Schallabsorbierendes flächiges Schaumstoffmaterial

Country Status (7)

Country Link
EP (1) EP1544846B1 (de)
DE (1) DE10358595A1 (de)
DK (1) DK1544846T3 (de)
ES (1) ES2543083T3 (de)
HU (1) HUE025109T2 (de)
PL (1) PL1544846T3 (de)
PT (1) PT1544846E (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108231053A (zh) * 2018-03-13 2018-06-29 吉林大学 一种具有凸包形态的声学包装材料及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2246621A1 (de) * 1972-09-22 1974-03-28 Albert Schrey Akustikplatte
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915823A1 (de) * 1979-04-19 1980-11-06 Irbit Holding Ag Schall-daemmplatte

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2246621A1 (de) * 1972-09-22 1974-03-28 Albert Schrey Akustikplatte
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

Also Published As

Publication number Publication date
HUE025109T2 (en) 2016-01-28
EP1544846B1 (de) 2015-04-22
DK1544846T3 (en) 2015-07-27
PT1544846E (pt) 2015-09-14
PL1544846T3 (pl) 2015-10-30
DE10358595A1 (de) 2005-07-21
EP1544846A2 (de) 2005-06-22
ES2543083T3 (es) 2015-08-14

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