WO2014082869A1 - Verfahren zur herstellung wenigstens zweilagiger bauteile und bauteil - Google Patents

Verfahren zur herstellung wenigstens zweilagiger bauteile und bauteil Download PDF

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Publication number
WO2014082869A1
WO2014082869A1 PCT/EP2013/073899 EP2013073899W WO2014082869A1 WO 2014082869 A1 WO2014082869 A1 WO 2014082869A1 EP 2013073899 W EP2013073899 W EP 2013073899W WO 2014082869 A1 WO2014082869 A1 WO 2014082869A1
Authority
WO
WIPO (PCT)
Prior art keywords
fabric
tool
absorber
binder
components according
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.)
Ceased
Application number
PCT/EP2013/073899
Other languages
German (de)
English (en)
French (fr)
Inventor
Norbert Nicolai
Reimund Piatkowski
Hartmut Renken
Klaus KRÖMER
Volkmar Schulze
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.)
Adler Pelzer Holding GmbH
Original Assignee
HP Pelzer Holding GmbH
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 HP Pelzer Holding GmbH filed Critical HP Pelzer Holding GmbH
Priority to CN201380060972.3A priority Critical patent/CN104797401B/zh
Priority to US14/442,878 priority patent/US9975283B2/en
Priority to RU2015125688A priority patent/RU2646932C2/ru
Priority to EP13792655.6A priority patent/EP2925506B1/de
Priority to MX2015006509A priority patent/MX357259B/es
Priority to BR112015012104-7A priority patent/BR112015012104B1/pt
Priority to JP2015544409A priority patent/JP6329168B2/ja
Priority to KR1020157013644A priority patent/KR101873835B1/ko
Priority to IN4303DEN2015 priority patent/IN2015DN04303A/en
Publication of WO2014082869A1 publication Critical patent/WO2014082869A1/de
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/06—Making multilayered articles
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/56—Compression moulding under special conditions, e.g. vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
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    • B29C44/105—Applying counter-pressure during expanding the counterpressure being exerted by a fluid
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • 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
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
    • B60N3/04—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets
    • B60N3/042—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets of carpets
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0815—Acoustic or thermal insulation of passenger compartments

Definitions

  • the invention relates to a method for producing at least two-layer components and correspondingly manufactured components themselves as absorptive lining in the interior and / or trunk or floor coverings of motor vehicles comprising a top fabric, and an absorber.
  • Trunk linings consist essentially of a surface material, in particular of a textile or a textile fabric and a rear absorber, which may have, for example, as a stiffening nonwoven bearing properties.
  • stiffening fleece or pure carrier the most different materials are used.
  • Plastic carriers, and here specially injection-molded carriers are laminated after shaping or the textile upper material is back-injected with the carrier material.
  • textile-coated plastic films which are produced by extruding the plastic as pure plastic or with inorganic agents as well as different fibers filled onto the textile, and then deformed by means of pressing.
  • a special version of the plastic are polyolefin foams, which are laminated preformed. Alternatively, a textile surface can be foamed.
  • Known absorbers, insulation which are pressed to the stiffening fleece or carrier comprise a wide variety of fibers (plastic and natural fibers) which are bound with a binder thermoplastic or thermosetting nature in the sinker manufacturing process thermally or by needling or during subsequent processing.
  • Known binders include polypropylene, acrylates or resins of various natures, as well as (BiCo) bicomponent fibers consisting essentially of a PET core and often a coPET sheath.
  • thermoplastic absorber and a textile surface material are heated and then deformed in the cold mold and cooled.
  • degree of deformation of the absorber which may possibly have bearing properties for the component, partially thinned and thus weakened.
  • the areas which are not or only slightly deformed are oversized.
  • the component has a higher weight than strength necessary.
  • Acoustically open floor coverings include, starting from the visible surface, for example needle-punched, diloured or tufted carpets with a fiber binding.
  • an absorber or a compressed mixed fiber fleece is usually firmly connected to the carpet.
  • the carpet and the absorber or the compressed mixed fiber fleece are on a deformation plant deformed and then cropped.
  • the absorber or the insulation is produced separately.
  • Foam absorbers or insulation are an exception; they are essentially foamed onto the carpet, which of course leads to an acoustically closed carpet and the goal -hochabsorptiv, flow open- does not match.
  • Such floor covering systems are described, for example, in DE 10 2004 046 201 A1, DE 103 60 427 A1, DE 199 60 945 A1 and DE 10 2007 036 952 A1.
  • the present invention has for its object to connect a top fabric with flow-tight closed back with an absorber or insulation without prior board production of the absorber or insulation by the absorber or the insulation is made by flakes of absorber material in a mold, whereby over the component defined material accumulations are generated can be achieved by pressing in a tool with defined Kavticianenabstandsvertechniken, defined thickness and thus defined stiffness / strength and defined acoustic properties; wherein the flocculated absorber material is deformed (pressed) with the top fabric in the final contour in one step, and the top product or the top fabric are connected to the absorber or the insulation at the same time.
  • the above object is achieved in a first embodiment by a method for producing at least two-layer components as absorptive lining in the interior and / or trunk or floor coverings of motor vehicles comprising a top fabric, and an absorber, which is characterized in that
  • step (B) the platinum-shaped cut top fabric according to step (a) with its flow-closed side to the material of the absorber, which contains a binder, in the tool,
  • a filling of the flocking box with the absorber material that is almost close to the final contour reduces the waste again by more than 10% by weight compared with a blank forming.
  • suction fiber-flock technology in suction
  • the material from which the absorber or the insulation is formed comprises in particular a thermoplastic binder in the form of fibers (PP, PET-BiCo, PE and other materials known per se) and in particular filling material such as foamed PP (EPP), foamed PS (EPS), plastic fibers, natural fibers, lumpy Plastic filling material (PUR chips) or natural substances (eg cork granules). All binders or fillers may be present alone or in different mixtures.
  • the binder is generally homogeneously mixed with the filler material and transported using a stream of air to the contoured, air-permeable preform tool (flockbox). On this, the mixture is deposited according to the requirements in the contour and the thickness.
  • the thus preformed absorber material or insulation material is usually stored by means of a robot in a tool.
  • a top fabric with a vapor-vacuum flow-tight closed back for example, supplied in accordance with a platinum-shaped decorative fabric in particular in a jig.
  • the tensioning device is preferably located outside the tool or externally mounted on the tool and does not hinder the closing of the tool.
  • the top fabric has no fluid-tight closed back but an open-flow rear with high flow resistance.
  • the tensioning device has one or more movable clamping tongs, via which the upperware can be released in a targeted manner in a tensioned or yielding manner into the tool.
  • the top fabric and the absorber or the insulation are brought to their final shape. According to the targeted locally accumulated amount of material and the required thickness arise different densities and thus different mechanical and acoustic properties of the absorber or the insulation.
  • the upper fabric preferably comprises a flat needle felt, dilours, suede, including their intermediates, a woven fabric, a knitted fabric or a plastic film.
  • the top fabric may optionally be provided on the top side and / or bottom side with a mixed fiber fleece.
  • a needled recycled sandwich nonwoven with the following characteristics could be used:
  • a foamed binder eg EPP
  • thermally treated without further filler as described.
  • the molding tool is characterized in particular by the fact that the material required for the part is sealed, positive-locking, in the cavity.
  • the material required for the part is sealed, positive-locking, in the cavity.
  • Both mold halves are heated to a same or different temperature via a suitable heating system.
  • a large part of the trapped air is extracted from the cavity by means of a vacuum applied via the bore system.
  • the heating of the enclosed material by means of steam.
  • the vapor is sucked out of the cavity as far as possible, thereby cooling the part inside.
  • the absorber material or insulation material consisting of a mixture of BiCo, PET and cotton fibers and PUR foam flakes was flocculated in a flock box by means of the fiber-flock technology in the suction process.
  • the preformed absorber or insulation material was removed by means of a gripper and placed in a steam / vacuum tool.
  • the top fabric a 540 g / m 2 PET-Diloursteppich with 20 wt .-% BiCo share and a back 90 ⁇ PE / PA / PE film was introduced by means of clamping frames in an open steam / vacuum tool and on the absorber - or, deposited insulation material. In this embodiment, the film was not connected to the upper fabric.
  • the top fabric was heated in the radiant heater and the film and the top fabric were placed in the steam / vacuum tool (here by hand).
  • the top fabric which optionally contains a backing (mixed fiber or recycled sandwich) nonwoven backing, is laminated in advance with the film or an extrusion layer is applied.
  • a backing mixed fiber or recycled sandwich
  • the tool was closed; the upper mold half had room temperature, the lower one had a temperature of 120 ° C. and is vacuum-capable.
  • the finished component was now stored in the cooling shell.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
PCT/EP2013/073899 2012-11-30 2013-11-15 Verfahren zur herstellung wenigstens zweilagiger bauteile und bauteil Ceased WO2014082869A1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CN201380060972.3A CN104797401B (zh) 2012-11-30 2013-11-15 用于生产至少两层的部件的方法，以及部件
US14/442,878 US9975283B2 (en) 2012-11-30 2013-11-15 Method for producing at least two-layer components, and component
RU2015125688A RU2646932C2 (ru) 2012-11-30 2013-11-15 Способ изготовления по меньшей мере двухслойных деталей и изготовленная деталь
EP13792655.6A EP2925506B1 (de) 2012-11-30 2013-11-15 Verfahren zur herstellung wenigstens zweilagiger bauteile
MX2015006509A MX357259B (es) 2012-11-30 2013-11-15 Metodo para producir componentes de al menos dos capas, y componente.
BR112015012104-7A BR112015012104B1 (pt) 2012-11-30 2013-11-15 Método para produzir componentes de pelo menos duas camadas
JP2015544409A JP6329168B2 (ja) 2012-11-30 2013-11-15 少なくとも２層のコンポーネントを生産するための方法及びそのコンポーネント
KR1020157013644A KR101873835B1 (ko) 2012-11-30 2013-11-15 적어도 2 층의 컴포넌트를 제조하는 방법 및 컴포넌트
IN4303DEN2015 IN2015DN04303A (enExample) 2012-11-30 2013-11-15

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012222000.3A DE102012222000A1 (de) 2012-11-30 2012-11-30 Herstellung wenigstens zweilagiger Bauteile
DE102012222000.3 2012-11-30

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WO2014082869A1 true WO2014082869A1 (de) 2014-06-05

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Country Link
US (1) US9975283B2 (enExample)
EP (1) EP2925506B1 (enExample)
JP (1) JP6329168B2 (enExample)
KR (1) KR101873835B1 (enExample)
CN (1) CN104797401B (enExample)
BR (1) BR112015012104B1 (enExample)
DE (1) DE102012222000A1 (enExample)
IN (1) IN2015DN04303A (enExample)
MX (1) MX357259B (enExample)
RU (1) RU2646932C2 (enExample)
WO (1) WO2014082869A1 (enExample)

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KR101873835B1 (ko) 2018-07-04
BR112015012104A2 (pt) 2017-07-11
US9975283B2 (en) 2018-05-22
MX2015006509A (es) 2015-08-14
CN104797401A (zh) 2015-07-22
US20150298369A1 (en) 2015-10-22
EP2925506B1 (de) 2018-10-24
BR112015012104B1 (pt) 2021-08-03
RU2646932C2 (ru) 2018-03-12
JP2015536851A (ja) 2015-12-24
EP2925506A1 (de) 2015-10-07
KR20150089012A (ko) 2015-08-04
CN104797401B (zh) 2016-11-02
IN2015DN04303A (enExample) 2015-10-16
JP6329168B2 (ja) 2018-05-23
MX357259B (es) 2018-07-03
DE102012222000A1 (de) 2014-06-05
RU2015125688A (ru) 2017-01-10

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