KR970702786A - 흡음부품(sound absorbing component) - Google Patents

흡음부품(sound absorbing component)

Info

Publication number
KR970702786A
KR970702786A KR1019960706396A KR19960706396A KR970702786A KR 970702786 A KR970702786 A KR 970702786A KR 1019960706396 A KR1019960706396 A KR 1019960706396A KR 19960706396 A KR19960706396 A KR 19960706396A KR 970702786 A KR970702786 A KR 970702786A
Authority
KR
South Korea
Prior art keywords
thermoplastic resin
fiber
reinforced thermoplastic
sound absorbing
porosity
Prior art date
Application number
KR1019960706396A
Other languages
English (en)
Inventor
소오헤이 마슈이
사또루 후나꼬시
다이지 마쓰모또
가쓰히로 나가야마
마사미 후지마끼
히로유끼 요시다께
미뚜아끼 수나다
Original Assignee
고사이 아끼오
스미또모 가가꾸 고오교 가부시끼가이샤
에모또 간지
가와사끼 세이떼쓰 가부시끼가이샤
소에다 나오히꼬
케이-플라시트 가부시끼가이샤
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
Priority claimed from JP7052445A external-priority patent/JPH08244125A/ja
Priority claimed from JP7052444A external-priority patent/JPH08244150A/ja
Priority claimed from JP15607795A external-priority patent/JPH091714A/ja
Application filed by 고사이 아끼오, 스미또모 가가꾸 고오교 가부시끼가이샤, 에모또 간지, 가와사끼 세이떼쓰 가부시끼가이샤, 소에다 나오히꼬, 케이-플라시트 가부시끼가이샤 filed Critical 고사이 아끼오
Publication of KR970702786A publication Critical patent/KR970702786A/ko

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/025—Foaming in open moulds, followed by closing the moulds
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • 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
    • 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
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0001—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular acoustical properties
    • B29K2995/0002—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular acoustical properties insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/02—Cellular or porous
    • B32B2305/022—Foam
    • 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
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249933—Fiber embedded in or on the surface of a natural or synthetic rubber matrix
    • Y10T428/249939—Two or more layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle

Landscapes

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

Abstract

50용량% 이상의 공극률을 가지는 섬유강화 열가소성 수지팽창제 및 수지성형체를 포함하는 흡음부품에 있어서, 섬유강화 열가소성 수지팽창체와 수지성형체 사이에 공기층이 형성되었다. 비록 이 흡음부품은 중량이 가볍고 두께가 얇지만, 특히 자동차에 문제가 되는 자동차밖 소음의 주파수 범위 500∼3,000Hz의 음을 효과적으로 흡수한다.

Description

흡음부품(SOUND ABSORBING COMPONENT)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도∼제5도는 각각 본 발명 흡음부품의 여러 예를 나타내는 단면도이다.

Claims (13)

  1. 공극률이 50용량% 이상인 섬유강화 열가소성 수지팽창체 및 수지성형체를 포함하고, 이 섬유강화 열가소성 수지팽창체와 수지성형체 사이에 공기층이 형성되어 있는 흡음부품.
  2. 제1항에 있어서, 수지성형체는 실질적으로 공극이 없는 열가소성 수지형성체이고, 섬유강화 열가소성 수지팽창체는 초조법에 의하여 얻어진 섬유 강화 열가소성 수지시트를 팽창성형시켜 이루어진 팽창체인 흡음부품.
  3. 제1항에 있어서, 섬유강화 열가소성 수지팽창체의 공극률은 70∼95용량%이고, 두께는 2∼30mm이며, 공기층의 두께는 10∼50mm인 흡음부품.
  4. 제1항에 있어서, 두께가 20∼100㎛인 필름층을 추가로 포함하고 있고, 필름층이 섬유강화 열가소성 수지팽창체의 수지성형체에 대하여 반대쪽 표면의 적어도 일부 위에 배치된 흡음부품.
  5. 공극률이 50용량% 이상인 섬유강화 열가소성 수지팽창체 및 열가소성 수지발포체를 포함하고, 섬유강화 열가소성 수지팽창체의 일부 위에 열가소성 수지발포체가 배치되어 있는 흡음부품.
  6. 제5항에 있어서, 열가소성 수지발포체는 발포제 함유 열가소성 수지를 발포성형하여 이루어진 독립기포를 가지는 발포체이고, 섬유강화 열가소성 수지팽창체는 초조법에 의하여 수득한 섬유강화 열가소성 수지를 팽창 성형시켜 이루어진 팽창체인 흡음부품.
  7. 제5항에 있어서, 섬유강화 열가소성 수지팽창체의 공극률은 70∼95용량%이고 두께는 5∼30mm이며, 열가소성 수지발포체의 발포배율은 10∼50배이고 두께는 10∼50mm인 흡음부품.
  8. 제5항에 있어서, 두게 20∼100㎛의 필름층을 추가로 포함하고 있고, 필름층이 섬유강화 열가소성 수지팽창체 표면의 적어도 일부 위에 배치된 흡음제품.
  9. 제5항에 있어서, 섬유강화 열가소성 수지팽창체와 열가소성 수지발포체 사이에 공기층이 형성된 흡음부품.
  10. 제1항 또는 제5항에 있어서, 열가소성 수지가 폴리올레핀이고, 강화섬유가 유리섬유인 흡음부품.
  11. 제1항 또는 제5항에 있어서, 섬유강화 열가소성 수지팽창체의 공극률이 85용량% 이상이고, 50용량% 미만의 공극률을 가지는 제2섬유 강화 열가소성 수지팽창체로 이루어진 지지부를 추가로 포함하는 흡음부품.
  12. 제11항에 있어서, 지지부를 가지는 섬유강화 열가소성 수지팽창체를 하기의 공정으로 이루어진 방법으로 수득하는 것을 특징으로 하는 흡음부품 : 초조법에 의해 수득한 섬유강화 열가소성 수지시트를 열가소성 수지의 융점 이상, 분해점 미만의 온도로 가열하고, 강화섬유의 스프링 백 힘에 의하여 공극률을 85용량% 이상이 되도록 팽창시키는 공정; 팽창된 섬유강화 열가소성 수지시트를 가열상태를 유지하면서 암수 금형의 적어도 일측 캐비티면에 오목부가 형성되어 있는 암수 1쌍의 금형 사이에 올려놓는 공정; 금형을 형체결하여 공극률이 85용량% 이상인 부분과 공극률이 50용량% 미만인 부분을 가지는 섬유강화 열가소성 수지팽창체를 동시에 형성시키는 공정.
  13. 제1항 또는 제5항에 기재된 흡음부품을 자동차용 흡음부품으로 사용할 수 있는 흡음부품.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960706396A 1995-03-13 1996-03-13 흡음부품(sound absorbing component) KR970702786A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP7052445A JPH08244125A (ja) 1995-03-13 1995-03-13 吸音部品
JP95-52445 1995-03-13
JP95-52444 1995-03-13
JP7052444A JPH08244150A (ja) 1995-03-13 1995-03-13 吸音部品
JP95-156077 1995-06-22
JP15607795A JPH091714A (ja) 1995-06-22 1995-06-22 吸音部品およびその製造方法
PCT/JP1996/000618 WO1996028297A1 (fr) 1995-03-13 1996-03-13 Element insonorisant

Publications (1)

Publication Number Publication Date
KR970702786A true KR970702786A (ko) 1997-06-10

Family

ID=27294634

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960706396A KR970702786A (ko) 1995-03-13 1996-03-13 흡음부품(sound absorbing component)

Country Status (5)

Country Link
US (1) US5981046A (ko)
EP (1) EP0765737B1 (ko)
KR (1) KR970702786A (ko)
DE (1) DE69633042T2 (ko)
WO (1) WO1996028297A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101277364B1 (ko) * 2005-03-07 2013-06-20 다이쿄 니시카와 가부시키가이샤 흡음체의 제조 방법 및 이 제조 방법에 의해 얻어지는흡음체 및 흡음 구조체

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998043797A1 (fr) * 1997-04-01 1998-10-08 Jsp Corporation Corps insonorisant moule en resine thermoplastique
JPH1167403A (ja) * 1997-08-08 1999-03-09 Harness Sogo Gijutsu Kenkyusho:Kk 吸音材および該吸音材を備えたケーブルリール
EP1020846B1 (en) * 1999-01-14 2018-09-19 Nichias Corporation Sound absorbing structure
JP2001009898A (ja) * 1999-06-28 2001-01-16 Idemitsu Petrochem Co Ltd ブロー成形方法およびブロー成形品
US20040023587A1 (en) * 2002-08-02 2004-02-05 C.T.A. Acoustics Acoustical insulation laminate with polyolefin layer and process for making
WO2004012931A2 (en) * 2002-08-02 2004-02-12 Cta Acoustics, Inc. Acoustical insulation laminate with polyolefin layer and process for making
US6769512B2 (en) * 2002-08-02 2004-08-03 C.T.A. Acoustics Acoustical insulation laminate with polyolefin layer and process for making
DE102004014682B4 (de) * 2004-03-25 2017-05-24 Johann Borgers GmbH Verfahren zur Herstellung eines als mindestens teilweise Verkleidung von insbesondere Schallerzeugern dienenden Verbundkörpers und Verwendung desselben
USRE44893E1 (en) 2004-03-26 2014-05-13 Hanwha Azdel, Inc. Fiber reinforced thermoplastic sheets with surface coverings
US7318498B2 (en) * 2004-04-06 2008-01-15 Azdel, Inc. Decorative interior sound absorbing panel
FR2875553B1 (fr) * 2004-09-23 2010-07-30 Peugeot Citroen Automobiles Sa Carter de facade de distribution d'un moteur a explosion, et ensemble forme par un moteur et ce carter
FR2894539B1 (fr) * 2005-12-09 2008-03-14 Cera Procede de realisation d'un panneau structurel comprenant des cavites acoustiques
US20090042011A1 (en) * 2007-08-10 2009-02-12 Frank Jaarsma Fiber Reinforced Cellular Foam Product
WO2010066229A1 (de) 2008-12-11 2010-06-17 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Gehäuse mit einer schall abstrahlenden gehäusewandung
FR2986207B1 (fr) * 2012-01-26 2014-02-21 Faurecia Automotive Ind Piece d'equipement de vehicule automobile et vehicule automobile associe
US9993990B2 (en) 2013-03-14 2018-06-12 Cta Acoustics, Inc. Thermal insulation
US9193131B2 (en) 2013-03-14 2015-11-24 Cta Acoustics, Inc. Thermal and acoustical insulation
DE102013010339A1 (de) 2013-06-20 2014-01-16 Daimler Ag Herstellverfahren für ein geräuschdämmendes Formteil und geräuschdämmendes Formteil
KR102355136B1 (ko) * 2014-06-25 2022-01-26 엘지전자 주식회사 리니어 압축기, 리니어 압축기의 쉘, 리니어 압축기의 쉘 제작방법
JP6874612B2 (ja) * 2017-09-07 2021-05-19 トヨタ紡織株式会社 内燃機関の吸気系部品
EP4108845A4 (en) * 2020-03-30 2024-03-06 Tosoh Corporation MOLDED BODY, SOUND ABSORBING MATERIAL, VIBRATORY ABSORBING MATERIAL
JP7127894B1 (ja) 2021-03-08 2022-08-30 中川産業株式会社 車両用マフラーの製造方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791905A (fr) * 1971-11-25 1973-05-24 Saint Gobain Element de construction destine a realiser une isolation acoustique
US4190697A (en) * 1979-01-15 1980-02-26 Milsco Manufacturing Company Multidensity foam article and method of preparation
JPS6217237Y2 (ko) * 1980-04-14 1987-05-01
JPS56151131A (en) * 1980-04-24 1981-11-24 Kobe Steel Ltd Piercing method for metallic billet
JPS57178855A (en) * 1981-04-30 1982-11-04 Nissan Motor Acoustic board
JPS5871155A (ja) * 1981-10-24 1983-04-27 日産自動車株式会社 パネル制振材
US4476183A (en) * 1983-11-21 1984-10-09 Monsanto Company Thermoformable laminate structure with improved acoustical absorption
US4643940A (en) * 1984-08-06 1987-02-17 The Dow Chemical Company Low density fiber-reinforced plastic composites
JPS6270922A (ja) * 1985-09-04 1987-04-01 Fujitsu Ltd クロツク位相調整方式
JPH0545688Y2 (ko) * 1985-10-21 1993-11-25
GB8527023D0 (en) * 1985-11-01 1985-12-04 Wiggins Teape Group Ltd Moulded fibre reinforced plastic articles
US4798756A (en) * 1987-01-09 1989-01-17 Toyo Tire & Rubber Company Limited Laminate structure of interior finishing material
JPH078320Y2 (ja) * 1988-05-16 1995-03-01 河西工業株式会社 エンジンルーム用インシュレータ
DE4002067A1 (de) * 1990-01-25 1991-08-14 Basf Ag Laminate mit verbesserter kantenstabilitaet
US5438171A (en) * 1992-01-22 1995-08-01 Carsonite International Corporation Composite sound wall
DE4227300A1 (de) * 1992-08-18 1994-02-24 Bosch Gmbh Robert Aggregat für ein hydraulisches Bremssystem eines Kraftfahrzeuges
JP3006967B2 (ja) * 1992-11-26 2000-02-07 盟和産業株式会社 車両用防音材
JPH06332466A (ja) * 1993-05-20 1994-12-02 Nissan Motor Co Ltd 車両外装用吸音材
JP2715884B2 (ja) * 1993-12-10 1998-02-18 日東紡績株式会社 透光性吸音体
JPH08244150A (ja) * 1995-03-13 1996-09-24 Sumitomo Chem Co Ltd 吸音部品

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101277364B1 (ko) * 2005-03-07 2013-06-20 다이쿄 니시카와 가부시키가이샤 흡음체의 제조 방법 및 이 제조 방법에 의해 얻어지는흡음체 및 흡음 구조체

Also Published As

Publication number Publication date
EP0765737B1 (en) 2004-08-04
DE69633042T2 (de) 2005-07-21
WO1996028297A1 (fr) 1996-09-19
US5981046A (en) 1999-11-09
EP0765737A1 (en) 1997-04-02
DE69633042D1 (de) 2004-09-09
EP0765737A4 (en) 1999-07-21

Similar Documents

Publication Publication Date Title
KR970702786A (ko) 흡음부품(sound absorbing component)
BR9905100A (pt) Peça construtiva composta para carrocerias de veìculos.
KR900004493A (ko) 열가소성 엘라스토머 적층체의 제조방법
KR960037409A (ko) 일체형 에너지 흡수체 및 공기 덕트를 갖춘 패널
KR830006347A (ko) 폴리올레핀층의 제조방법
SE7902894L (sv) * forfarande for tillverkning av formade paneler
KR960033726A (ko) 적층 성형체의 성형방법
WO1998024622A1 (en) Durable, energy-absorptive expanded polypropylene/integral skin pur foam structural composites
DE59507564D1 (de) Verfahren zur Herstellung von mikrozellulären Schäumen
KR960705712A (ko) 차량의 내부확장을 위한 차체부분의 제조방법
JP2015033849A (ja) 熱可塑性樹脂発泡成形体及びその製造方法
PT821643E (pt) Processo para formar artigos com camadas de espessura controlada
EP0025065A1 (en) Thin skin laminated structure reinforced by polymeric foams
US3507728A (en) Method for producing a decorative laminated panel
JP6253427B2 (ja) 自動車用物品収納部材
KR920006419A (ko) 열 가소성 수지 가교 발포체의 제조방법 및 장치
US20010022407A1 (en) Method of producing a composite component with a foamed surface
US11701860B2 (en) Structure, structure for vehicles, and air conditioning duct for vehicles
US20010016255A1 (en) Foamed thermoplastic resin article
JP4507784B2 (ja) 熱可塑性樹脂発泡シートの真空成形方法
JP2018171751A (ja) 発泡樹脂成形体及びその製造方法
JPS6234533B2 (ko)
JP3056613B2 (ja) 中空部を有する発泡樹脂成形体の製造方法
JPH02198823A (ja) 少なくとも二つのポリオレフィンシート及び細胞状組織の中間挿入体から成る複合断熱材の造形品を熱成形によって製造する方法
KR950028894A (ko) 고밀도 발포우레탄성형품 및 그 제조방법

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid