DE3445656C2 - - Google Patents

Info

Publication number
DE3445656C2
DE3445656C2 DE3445656A DE3445656A DE3445656C2 DE 3445656 C2 DE3445656 C2 DE 3445656C2 DE 3445656 A DE3445656 A DE 3445656A DE 3445656 A DE3445656 A DE 3445656A DE 3445656 C2 DE3445656 C2 DE 3445656C2
Authority
DE
Germany
Prior art keywords
foam
layer
mold half
wall
hollow body
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.)
Expired
Application number
DE3445656A
Other languages
German (de)
English (en)
Other versions
DE3445656A1 (de
Inventor
Des Erfinders Auf Nennung Verzicht
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.)
IRBIT RESEARCH and CONSULTING AG FREIBURG/FRIBOURG CH
Original Assignee
IRBIT RESEARCH and CONSULTING AG FREIBURG/FRIBOURG CH
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 FREIBURG/FRIBOURG CH filed Critical IRBIT RESEARCH and CONSULTING AG FREIBURG/FRIBOURG CH
Priority to DE19843445656 priority Critical patent/DE3445656A1/de
Priority to AT85109039T priority patent/ATE56392T1/de
Priority to DE8585109039T priority patent/DE3579677D1/de
Priority to EP85109039A priority patent/EP0185839B1/de
Priority to US06/807,614 priority patent/US4715473A/en
Priority to JP60278088A priority patent/JPS61145598A/ja
Publication of DE3445656A1 publication Critical patent/DE3445656A1/de
Application granted granted Critical
Publication of DE3445656C2 publication Critical patent/DE3445656C2/de
Granted legal-status Critical Current

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
    • B32B5/18—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 features of a layer of foamed material
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • 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
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Building Environments (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)
DE19843445656 1984-12-14 1984-12-14 Schaumstoff-schallabsorptionskoerper Granted DE3445656A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19843445656 DE3445656A1 (de) 1984-12-14 1984-12-14 Schaumstoff-schallabsorptionskoerper
AT85109039T ATE56392T1 (de) 1984-12-14 1985-07-19 Schaumstoff-schallabsorptionskoerper.
DE8585109039T DE3579677D1 (de) 1984-12-14 1985-07-19 Schaumstoff-schallabsorptionskoerper.
EP85109039A EP0185839B1 (de) 1984-12-14 1985-07-19 Schaumstoff-Schallabsorptionskörper
US06/807,614 US4715473A (en) 1984-12-14 1985-12-11 Foam acoustic absorption member
JP60278088A JPS61145598A (ja) 1984-12-14 1985-12-12 海綿状プラスチツク‐吸音体及びその製造用工具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843445656 DE3445656A1 (de) 1984-12-14 1984-12-14 Schaumstoff-schallabsorptionskoerper

Publications (2)

Publication Number Publication Date
DE3445656A1 DE3445656A1 (de) 1986-06-26
DE3445656C2 true DE3445656C2 (enEXAMPLES) 1988-01-28

Family

ID=6252791

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19843445656 Granted DE3445656A1 (de) 1984-12-14 1984-12-14 Schaumstoff-schallabsorptionskoerper
DE8585109039T Expired - Fee Related DE3579677D1 (de) 1984-12-14 1985-07-19 Schaumstoff-schallabsorptionskoerper.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8585109039T Expired - Fee Related DE3579677D1 (de) 1984-12-14 1985-07-19 Schaumstoff-schallabsorptionskoerper.

Country Status (5)

Country Link
US (1) US4715473A (enEXAMPLES)
EP (1) EP0185839B1 (enEXAMPLES)
JP (1) JPS61145598A (enEXAMPLES)
AT (1) ATE56392T1 (enEXAMPLES)
DE (2) DE3445656A1 (enEXAMPLES)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240296A1 (de) * 1992-12-01 1994-06-09 Freudenberg Carl Fa Verfahren zur Herstellung eines Luftschallabsorbers
DE29606817U1 (de) * 1996-04-15 1997-08-14 M. Faist GmbH & Co KG, 86381 Krumbach Mehrschichtiges schallabsorbierendes Bauteil
DE10259641B4 (de) * 2002-12-18 2006-03-23 Carcoustics Tech Center Gmbh Verwendung eines Formwerkzeuges zum Umformen von Halbzeugen aus Kunststoff

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0628897B2 (ja) * 1986-06-30 1994-04-20 東燃化学株式会社 自動車用バンパ−の製造方法
US4913261A (en) * 1989-06-05 1990-04-03 E. I. Du Pont De Nemours And Company Acoustical absorber
CH684398A5 (de) * 1991-04-26 1994-09-15 Matec Holding Ag Formstabiles Verbundteil.
DE4304628C2 (de) * 1993-02-16 1997-04-03 Freudenberg Carl Fa Schalldämpfende Gehäuseauskleidung
HU217883B (hu) * 1994-12-23 2000-04-28 Depron B.V. Eljárás és berendezés nyitottcellás műanyag habfóliák sík zárt felületének perforálására
US5962107A (en) * 1997-10-29 1999-10-05 Johns Manville International, Inc. Perforated cellular sound absorption material
DE19909046B4 (de) * 1999-03-02 2005-04-14 Faist Automotive Gmbh & Co. Kg Akustischer Mehrschichtenabsorber, Verfahren zu dessen Herstellung und dessen Verwendung
US6821597B1 (en) 1999-03-10 2004-11-23 Magee Rieter Automotive Systems Method for manufacturing a sound insulating structure and the structure produced thereby
US20020179367A1 (en) * 1999-12-24 2002-12-05 Arno Becker Sound-absorbing polymer foam molded article
KR100686487B1 (ko) * 2000-03-17 2007-02-23 다우 글로벌 테크놀로지스 인크. 단열 성능이 개선된 흡음성 중합체 발포체 및 이의 제조방법
US20040041428A1 (en) * 2000-06-09 2004-03-04 Graham Tompson Absorptive automobile coverings
US6382350B1 (en) * 2001-04-02 2002-05-07 Collins & Aikman Products Corp. Molded acoustic and decorative mats and methods for forming the same
US20030104098A1 (en) * 2001-11-30 2003-06-05 Brent Schrader Formation of punched, blind holes through one wall of a double wall blow molded structure
DE10228395C1 (de) * 2002-06-25 2003-12-04 Carcoustics Tech Ct Gmbh Schall-Absorber
DE20213228U1 (de) * 2002-08-23 2002-10-31 Carcoustics Tech Center GmbH & Co.KG, 51381 Leverkusen Mehrlagiges Schall- und Wärmeisolationsteil
US7182994B1 (en) 2003-01-08 2007-02-27 Pretty Products, Inc. Acoustic floor mat
DE10311421C5 (de) * 2003-03-13 2013-01-31 Carcoustics Techconsult Gmbh Verfahren zur Herstellung eines wärme- und schallisolierenden Blasformteils mit innenliegendem Schallabsorber
US20050129920A1 (en) * 2003-11-06 2005-06-16 Michael Levesque Three dimensional continuous contoured pad cutting and laminating process
US7455512B2 (en) * 2006-06-13 2008-11-25 Jung-Tsao Huang Mold assembly for manufacturing heavy duty plastic hollow board
US20080099278A1 (en) * 2006-10-30 2008-05-01 Lear Corporation Acoustic insulator and method of manufacturing same
FR2912100B1 (fr) * 2007-02-06 2009-05-08 Cera Panneau de protection acoustique pour vehicule automobile comprenant une couche d'etancheite impregnee
SI2314437T1 (sl) 2009-10-16 2017-04-26 Carcoustics Techconsult Gmbh Postopek za izdelavo votlih teles iz umetne snovi, votlo telo iz umetne snovi z novimi lastnostmi
EP2503040A1 (en) * 2011-03-23 2012-09-26 Autoneum Management AG Moulded multilayer lining
DE102012216500A1 (de) * 2012-09-17 2014-03-20 Hp Pelzer Holding Gmbh Mehrlagiger gelochter Schallabsorber
CH708008B1 (de) * 2013-04-25 2016-08-31 Barcol-Air Group Ag Klimaelement für eine Heiz- und Kühldecke.
US9908485B2 (en) * 2014-11-06 2018-03-06 Cadillac Products Automotive Company Acoustic barrier assembly with acoustic seal

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB838859A (en) * 1957-08-14 1960-06-22 Allen Ind Deep-tufted cushion and method of manufacture
DE1154923B (de) * 1957-12-11 1963-09-26 Luschka & Wagenmann Kommandit Schallschluckende profilierte Verkleidungsplatte aus Kunststoff
US3753830A (en) * 1970-07-13 1973-08-21 United States Steel Corp Apparatus for laminating a plastic sheet onto a surface of a hollow body
BE794953A (fr) * 1972-02-04 1973-05-29 Hairlok Ltd Matieres textiles stratifiees
GB1510712A (en) * 1974-06-04 1978-05-17 Scott Paper Co Perforated embossed film to foam laminates
JPS5312970A (en) * 1976-07-21 1978-02-06 Nissan Motor Process for molding packing material of corrugated cardboard
SE404051B (sv) * 1976-10-12 1978-09-18 Antiphon Ab Anordning for luftljudsabsorption
DE2704225A1 (de) * 1977-02-02 1978-08-03 Westfaelische Metall Industrie Verfahren und vorrichtung zum herstellen eines mit perforationen versehenen blasformteiles
DE2735153A1 (de) * 1977-08-04 1979-02-15 Helmut Pelzer Spezifisch leichtes feder-masse- system in bekannter weise als doppelmatte ausgebildet
US4128683A (en) * 1978-04-11 1978-12-05 Toyota Jidosha Kogyo Kabushiki Kaisha Auto ceiling panel and its manufacturing process
US4211590A (en) * 1978-07-21 1980-07-08 Inmont Corporation Method of making perforated contoured trim panel
DE2937389A1 (de) * 1979-04-19 1981-04-02 Irbit Holding AG, Fribourg Schall-daemmplatte
DE3215244A1 (de) * 1982-04-23 1983-10-27 Cellofoam Deutschland Gmbh, 7950 Biberach Schalldaemmende auskleidung, insbesondere fuer kraftfahrzeuge, sowie verfahren zu deren herstellung
EP0131616B1 (de) * 1983-01-20 1987-03-25 Illbruck GmbH Schallabsorptionsplatte
DE3301682A1 (de) * 1983-01-20 1984-07-26 Irbit Holding AG, Freiburg/Fribourg Verfahren zur herstellung von schalldaemmkoerpern
DE3330850A1 (de) * 1983-08-26 1985-03-14 Kraftwerk Union AG, 4330 Mülheim Kernreaktorbrennelement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240296A1 (de) * 1992-12-01 1994-06-09 Freudenberg Carl Fa Verfahren zur Herstellung eines Luftschallabsorbers
DE29606817U1 (de) * 1996-04-15 1997-08-14 M. Faist GmbH & Co KG, 86381 Krumbach Mehrschichtiges schallabsorbierendes Bauteil
DE10259641B4 (de) * 2002-12-18 2006-03-23 Carcoustics Tech Center Gmbh Verwendung eines Formwerkzeuges zum Umformen von Halbzeugen aus Kunststoff

Also Published As

Publication number Publication date
ATE56392T1 (de) 1990-09-15
DE3445656A1 (de) 1986-06-26
US4715473A (en) 1987-12-29
EP0185839A2 (de) 1986-07-02
DE3579677D1 (de) 1990-10-18
JPS61145598A (ja) 1986-07-03
EP0185839B1 (de) 1990-09-12
EP0185839A3 (en) 1987-12-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee