EP0274097A2 - Plaque d'atténuation du son constituée d'un matériau mousse - Google Patents

Plaque d'atténuation du son constituée d'un matériau mousse Download PDF

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Publication number
EP0274097A2
EP0274097A2 EP87118679A EP87118679A EP0274097A2 EP 0274097 A2 EP0274097 A2 EP 0274097A2 EP 87118679 A EP87118679 A EP 87118679A EP 87118679 A EP87118679 A EP 87118679A EP 0274097 A2 EP0274097 A2 EP 0274097A2
Authority
EP
European Patent Office
Prior art keywords
areas
thickness
individual
regions
ribs
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
EP87118679A
Other languages
German (de)
English (en)
Other versions
EP0274097A3 (en
EP0274097B1 (fr
Inventor
Rolf Tschudin-Mahrer
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.)
Illbruck Production SA
Original Assignee
Irbit Research and Consulting AG
Illbruck Production SA
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 Irbit Research and Consulting AG, Illbruck Production SA filed Critical Irbit Research and Consulting AG
Priority to AT87118679T priority Critical patent/ATE85859T1/de
Publication of EP0274097A2 publication Critical patent/EP0274097A2/fr
Publication of EP0274097A3 publication Critical patent/EP0274097A3/de
Application granted granted Critical
Publication of EP0274097B1 publication Critical patent/EP0274097B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches

Definitions

  • the invention relates to a soundproofing panel consisting of foam with a structured, bulging surface in the form of areas of different thicknesses.
  • the acoustic effectiveness can be changed, in particular tailored to certain frequency ranges.
  • structure-forming agents are generally used for thermal deep drawing.
  • the object of the invention is, on the one hand, to specify a further factor for changing the acoustic effectiveness using production-technically simple means, in order to achieve an even better individualization, but on the other hand to be able to better overcome larger differences in height of the bulges in terms of support technology.
  • a generic soundproofing plate or soundproofing plate can be implemented with optimally adjustable acoustic effectiveness.
  • the individual panels are connected without the aid of glue, so that the homogeneity is largely maintained.
  • the Manufacturing is simplified and accelerated.
  • the device effort is also lower.
  • materials can now also be used that normally could not previously be used in the hot molding process. Such materials can now be edged as intermediate layers with a processable property.
  • differently structured foam frameworks such as coarse and fine foam, such different density, etc.
  • the thermal leveling results in a relatively low material accumulation .
  • the upper side of a middle single plate pointing in the direction of the structural bulge is profiled in the regions of greater thickness.
  • the corresponding profiling enables a large overall sound insulation board thickness with little volume, but the profiled single board parries well with regard to the surface fusion effect; its arrow is practically flattened during thermal deep drawing.
  • the profiling acts as a support structure between the following individual plate, freely stretched over the profile tips, and the one in the back.
  • the chambering decreases accordingly.
  • the profiling of the individual plate consists of ribs / grooves which are grouped together in fields and which each intersect with one another. It is cheap if it is square Fields. This results in ribs of equal resilience.
  • a transition zone in the form of an oblique flank is arranged between the two areas. Such a sloping flank creates a distinctive, durable transition zone between the areas.
  • the body K which is designed as a soundproofing panel or sound absorption panel, consists of a plurality of individual panels 1 of open-pore soft foam.
  • the body K is deformed on one side to form a structure.
  • the latter happens under the action of heat and pressure in a hot mold, not shown.
  • the other side of the body K facing away from the structure-forming bulges is basically kept flat.
  • the structural shape takes into account the shape required for the application. The latter can of course vary widely.
  • the two outer individual plates 1 of three individual plates used have the same initial thickness. In the exemplary embodiment, this is approximately 5 mm.
  • the intermediate single plate 1, on the other hand, has a multiple, preferably four times, the initial thickness. All of the individual plates 1 can be of different pore thicknesses, as well as different density.
  • the individual panels 1 lying in the plane direction of extension, as shown in FIG. 4, are loosely layered on top of one another to form a laminate.
  • the upper and lower end there can still form a thermally responsive film 2.
  • the latter leads to a skin which prevents the penetration of moisture on the finished hot-deformed body K.
  • the corresponding skin can of course also be achieved by closing the surface of the outer individual plates 1 facing the mold inner wall. The edges of the outer pores of the foam structure are drawn. The latter happens to such an extent that there is still a certain air permeability and sufficient sound permeability.
  • the middle single plate 1 has a uniform profile on the upper side pointing in the direction of the structural bulge. This rather playful profile runs over the entire top. It consists of protruding ribs 3 grouped together in fields, which leave deeply cut, notch-valley-like grooves 4 between them. The course of the direction of the individual rib groups and valley groups is such that the ribs 3 and the valleys 4 of a field run transversely to the ribs 3 and valleys 4 of all adjacent fields starting on the sides. Based on the total thickness of the middle single plate 1, about two thirds of the total initial thickness are used for the profiling. The flank angle of the ribs or grooves is 13 to 30 °. As can be seen from the block diagram according to FIG.
  • free-standing ribs 3 alternate with ribs connected transversely at the end, so that the grooves 4 lying between are not open at the end.
  • the relevant type of plate can be achieved without loss by using a center cut.
  • the relief structure is produced by deformation projections to be introduced from the outside on both sides of the central section plane on the broad surface due to different compression. After leaving the cutting area, the compression zones straighten up again so that troughs and projections, that is to say ribs and grooves, alternate. This gives you a positive / negative product, but the appearance is uniform.
  • the individual plates 1 lie loosely on top of one another, except in the transition zones. Reference is made to FIG. 2.
  • the compression is also made optically clear in that the compressed areas I and the transition zones to the uncompressed sections of the individual plates 1 have a greater point density.
  • air chambers 6 practically remain.
  • Such air chambers are in the border area between the upper side of the middle individual plate 1 facing the bulge and the corresponding inside of the outer individual plate 1 there, according to the grooves 4, depending on the degree of compression correspondingly larger in volume.
  • the outer single plate 1 is supported on the cross-rounded ridges of the ribs 3. With increasing leveling in the transition area to the lower lying, compressed areas I, the volumes of the cavities decrease accordingly.
  • the compressed area I occurs at least in the edge area of the body K as a closing border 7.
  • the thickness in the peripheral end zone is approx. 1 mm.
  • the broad side of the body K facing away from the bulge is flat, it is possible to draw in depressions lying from this side in the direction of the bulge, so that not only the cushion-like bulge results, but for example a plane offset of a compressed area .
  • transition zone between the compressed areas I and the non-compressed areas II does not only appear as a concave transition curve; rather, a concurrent but flat oblique flank 8 is molded into the convex transition curve (see FIGS. 2 and 3). This leads to an exact, frizz-free, not extremely notched transition.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Laminated Bodies (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP87118679A 1987-01-07 1987-12-16 Plaque d'atténuation du son constituée d'un matériau mousse Expired - Lifetime EP0274097B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87118679T ATE85859T1 (de) 1987-01-07 1987-12-16 Aus schaumstoff bestehende schalldaemmplatte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8700264U 1987-01-07
DE8700264U DE8700264U1 (fr) 1987-01-07 1987-01-07

Publications (3)

Publication Number Publication Date
EP0274097A2 true EP0274097A2 (fr) 1988-07-13
EP0274097A3 EP0274097A3 (en) 1989-04-26
EP0274097B1 EP0274097B1 (fr) 1993-02-17

Family

ID=6803396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87118679A Expired - Lifetime EP0274097B1 (fr) 1987-01-07 1987-12-16 Plaque d'atténuation du son constituée d'un matériau mousse

Country Status (6)

Country Link
US (1) US4867271A (fr)
EP (1) EP0274097B1 (fr)
JP (1) JPS63174099A (fr)
AT (1) ATE85859T1 (fr)
DE (2) DE8700264U1 (fr)
ES (1) ES2039418T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997036284A1 (fr) * 1996-03-26 1997-10-02 M. Faist Gmbh & Co. Kg Element a plusieurs couches a absorption acoustique

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH682553A5 (de) * 1990-09-03 1993-10-15 Matec Holding Schallisolierendes und schalldämpfendes Verbundwerk.
DE4304628C2 (de) * 1993-02-16 1997-04-03 Freudenberg Carl Fa Schalldämpfende Gehäuseauskleidung
DE4321551C2 (de) * 1993-06-29 1996-11-21 Freudenberg Carl Fa Verkleidungselement zur Isolierung akustisch störender Schwingungen
GB2292786B (en) * 1994-08-27 1997-10-22 Noisco Products Ltd Acoustic sheet material
DE9414943U1 (de) * 1994-09-14 1996-01-18 Faist M Gmbh & Co Kg Folienresonanzabsorber
US5483028A (en) * 1994-11-14 1996-01-09 Cascade Engineering, Inc. Acoustical barrier with decoupler
BR9710601A (pt) * 1996-07-26 1999-08-17 Cascade Eng Inc Barreira acÚstica
US5886305A (en) * 1996-07-26 1999-03-23 Cascade Engineering, Inc. Sound insulating layer with integral rib structure
CA2190024C (fr) * 1996-11-08 2001-04-10 Robert Ducharme Utilisation d'un support phono-absorbant pour une structure de plancher
WO2001013748A1 (fr) * 1999-08-25 2001-03-01 Ergodyne Corporation Dispositif anti-vibrations et son procede de fabrication
US6723401B1 (en) 1999-08-25 2004-04-20 Ergodyne Corporation Vibration damping member and method of making same
US6422575B1 (en) 2000-03-14 2002-07-23 L&L Products, Inc. Expandable pre-formed plug
US6820923B1 (en) * 2000-08-03 2004-11-23 L&L Products Sound absorption system for automotive vehicles
GB0106911D0 (en) 2001-03-20 2001-05-09 L & L Products Structural foam
US6793274B2 (en) * 2001-11-14 2004-09-21 L&L Products, Inc. Automotive rail/frame energy management system
SE525812C2 (sv) * 2002-06-12 2005-05-03 Saab Ab Akustiskt foder, användning av ett foder samt sätt att framställa ett akustiskt foder
US7004536B2 (en) * 2002-07-29 2006-02-28 L&L Products, Inc. Attachment system and method of forming same
US6923499B2 (en) * 2002-08-06 2005-08-02 L & L Products Multiple material assembly for noise reduction
US6883858B2 (en) * 2002-09-10 2005-04-26 L & L Products, Inc. Structural reinforcement member and method of use therefor
US20050102815A1 (en) * 2003-11-03 2005-05-19 L&L Products, Inc. Reinforced members formed with absorbent mediums
US7007892B2 (en) * 2004-03-23 2006-03-07 The Boeing Company Insulating baffle for a floor shear truss
ATE428834T1 (de) * 2004-06-17 2009-05-15 Heimbach Gmbh & Co Kg Schalldämmeinrichtung für einen wand-, decken- oder bodenbelag
US20060272279A1 (en) * 2005-05-13 2006-12-07 Administrator Of The National Aeronautics And Space Administration Composite panel having subsonic transverse wave speed characteristics
JP5459835B2 (ja) * 2008-08-08 2014-04-02 ニチアス株式会社 自動車用防音カバー
KR101604886B1 (ko) * 2012-12-06 2016-03-25 (주)엘지하우시스 미세공명구조를 갖는 흡음시트, 그 제조 방법 및 이를 이용한 흡음형 방음패널
USD956270S1 (en) * 2020-07-29 2022-06-28 Axel & Susann Meise Beteiligungsgesellschaft Mbh Acoustic insulation board
USD959704S1 (en) * 2020-07-29 2022-08-02 Axel & Susann Meise Beteiligungsgesellschaft Mbh Acoustic insulation boards
USD956269S1 (en) * 2020-07-29 2022-06-28 Axel & Susann Meise Beteiligungsgesellschaft Mbh Acoustic insulation board

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2187335A (en) * 1937-05-06 1940-01-16 Hinde & Dauch Paper Co Composite board
DE2625168B1 (de) * 1976-06-04 1977-10-27 Irbit Holding Ag Aus schaumstoff bestehende schall- daemmauskleidung
FR2578080A1 (fr) * 1985-02-23 1986-08-29 Daimler Benz Ag Element insonorisant multicouche
DE8520047U1 (fr) * 1985-07-11 1986-11-13 Irbit Research + Consulting Ag, Freiburg/Fribourg, Ch

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2148355B2 (fr) * 1971-08-10 1974-09-06 Isolants Franca S
DE2750122A1 (de) * 1977-11-09 1979-05-10 Erich Munz Koerperschalldaemmleiste
US4242398A (en) * 1979-01-16 1980-12-30 Teijin Limited Fibrous shaped article having non-level surface
CH638281A5 (de) * 1979-05-18 1983-09-15 Inventio Ag Daempfungskoerper fuer maschinenlagerung.
US4493471A (en) * 1983-02-14 1985-01-15 Mcinnis Donald E Sound speaker stand for attenuating vibrations
DE3531886A1 (de) * 1985-09-06 1987-03-19 Stankiewicz Alois Dr Gmbh Hohlkammern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2187335A (en) * 1937-05-06 1940-01-16 Hinde & Dauch Paper Co Composite board
DE2625168B1 (de) * 1976-06-04 1977-10-27 Irbit Holding Ag Aus schaumstoff bestehende schall- daemmauskleidung
FR2578080A1 (fr) * 1985-02-23 1986-08-29 Daimler Benz Ag Element insonorisant multicouche
DE8520047U1 (fr) * 1985-07-11 1986-11-13 Irbit Research + Consulting Ag, Freiburg/Fribourg, Ch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997036284A1 (fr) * 1996-03-26 1997-10-02 M. Faist Gmbh & Co. Kg Element a plusieurs couches a absorption acoustique

Also Published As

Publication number Publication date
DE3784232D1 (de) 1993-03-25
EP0274097A3 (en) 1989-04-26
ATE85859T1 (de) 1993-03-15
EP0274097B1 (fr) 1993-02-17
US4867271A (en) 1989-09-19
DE8700264U1 (fr) 1988-05-11
ES2039418T3 (es) 1993-10-01
JPS63174099A (ja) 1988-07-18

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