WO2017191263A1 - Élément et son procédé de fabrication - Google Patents

Élément et son procédé de fabrication Download PDF

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Publication number
WO2017191263A1
WO2017191263A1 PCT/EP2017/060671 EP2017060671W WO2017191263A1 WO 2017191263 A1 WO2017191263 A1 WO 2017191263A1 EP 2017060671 W EP2017060671 W EP 2017060671W WO 2017191263 A1 WO2017191263 A1 WO 2017191263A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
layer
fiber layer
fiber
foam
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/EP2017/060671
Other languages
German (de)
English (en)
Inventor
Laurent Hugues
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.)
Adient Luxembourg Holding SARL
Original Assignee
Adient Luxembourg Holding SARL
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 Adient Luxembourg Holding SARL filed Critical Adient Luxembourg Holding SARL
Publication of WO2017191263A1 publication Critical patent/WO2017191263A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/70—Upholstery springs ; Upholstery
    • B60N2/7017—Upholstery springs ; Upholstery characterised by the manufacturing process; manufacturing upholstery or upholstery springs not otherwise provided for
    • 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
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1209—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements by impregnating a preformed part, e.g. a porous lining
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/681—Component parts, details or accessories; Auxiliary operations
    • B29C70/683—Pretreatment of the preformed part, e.g. insert
    • 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
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1266—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being completely encapsulated, e.g. for packaging purposes or as reinforcement
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • B29K2105/128—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles in the form of a mat
    • 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
    • B29K2667/00—Use of polyesters or derivatives thereof for preformed parts, e.g. for inserts
    • 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
    • B29K2667/00—Use of polyesters or derivatives thereof for preformed parts, e.g. for inserts
    • B29K2667/003—PET, i.e. poylethylene terephthalate
    • 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
    • B29K2995/0037—Other properties
    • B29K2995/0063—Density
    • 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
    • B29K2995/0037—Other properties
    • B29K2995/0094—Geometrical properties
    • B29K2995/0097—Thickness
    • 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
    • B29L2009/00—Layered products
    • 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
    • B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • 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
    • B29L2031/771—Seats

Definitions

  • the invention relates to a method for producing a component, in particular a carrier component for a seat, and a vehicle seat. Furthermore, the invention relates to a component produced by the method.
  • the upholstery element is made of a
  • Fiber composite formed with a three-dimensional stochastically oriented fiber material.
  • the fiber composite material comprises at least one weldable thermoplastic.
  • Carrier component known.
  • Object of the present invention is to provide a comparison with the prior art improved method for producing a component and an improved component produced by the method.
  • the object is achieved by a method for
  • a fiber layer in particular a nonwoven fabric made of a three-dimensionally stochastically oriented fiber material, is thermally pretreated such that a porosity of the fiber layer can be adjusted.
  • manufactured component has a thickness of less than 8 mm, in particular equal to or less than 7 mm and / or a density of greater than 90 kg / m 3 .
  • the fiber layer in particular a prefabricated or preformed nonwoven fabric, has a density of greater than 90 kg / m 3 .
  • the manufactured component has a density of greater than 100 kg / m 3 , in particular in a range of 100 kg / m 3 to 300 kg / m 3 .
  • the density is the mass density with a quotient of the mass m of the component and its volume.
  • a measurement sample is cut from the component and determined by means of a conventional measuring method, for example by measuring the displaced liquid volumes.
  • the density can also be determined theoretically by specifying the volume of the component and the mass, for example the amount of fiber and foam material added.
  • resulting adjustable porosity of the fiber layer, in particular of the nonwoven fabric is the penetration of a subsequently applied
  • Foam material controllable As a result, a component is also produced with an adjustable density of greater than 90 kg / m 3 and thus with a predetermined strength and hardness.
  • the fiber material is preformed and optionally pretreated.
  • the fiber material can be made of one or more different materials, for example of polyester, polyethylene, polypropylene and / or
  • Polyurethane be formed. It may be formed from tangled fibers, in particular from recycled or non-recycled natural and / or synthetic fibers. Alternatively, it may be a woven or nonwoven web. Due to the thermal treatment of the fiber material, this is also called thermal nonwoven. This is advantageously a three-dimensional stochastically oriented fiber material.
  • Plastic fibers are formed for example from a thermoplastic, in particular from a modified and weldable thermoplastic.
  • the plastic fibers are made of polyethylene terephthalate (PET), of polyester or of a synthetic polymer, in particular of polylactide (PLA). Also a mixture of fibers from different ones
  • a binder for binding the fiber material, a binder, in particular a thermosetting binder, is provided.
  • the binder is, for example, a thermosetting adhesive, in particular a halogenated hydrocarbon, for example chloroprene rubber and / or a polyurethane-based thermosetting binder, for example a PU or PUR adhesive.
  • the preformed fiber material for example a nonwoven fabric, in particular a nonwoven fabric
  • the preformed fiber material is additionally provided with a plastic layer.
  • a material for a plastic layer is particularly suitable polyethylene (PE).
  • PE polyethylene
  • the coating material is particularly thin and is for example in the form of a
  • Plastic film applied to the preformed fiber material This allows for improved air regulation.
  • a coated preformed fibrous material for example a coated fibrous web, is optimized and less susceptible to mechanical stresses, particularly damage, bruises, fractures.
  • the fiber material may, for example, on a surface side of a
  • Forming tool are applied.
  • the fiber material can in one embodiment in the mold even thermally treated once or several times.
  • the fiber material can be prefabricated and thermally treated and placed in the mold.
  • the thermal treatment the fiber material softens, wherein the thermal treatment is controlled so that a predetermined porosity can be achieved.
  • the fiber material may optionally be preformed into a semifinished product having a predetermined porosity, in particular surface porosity.
  • a foam material in particular polyurethane
  • the mold can already be closed.
  • the foam material for example liquid polyurethane, can be introduced into the mold when the mold is open, and then the mold is closed.
  • Forming tool arranged and introduced the foam material in the bottom of the mold. Subsequently, the lid is closed, so that the liquid foam material penetrates into the nonwoven fabric.
  • liquid components for the liquid for the liquid
  • Foam material mixed at room temperature and placed in the mold are at a temperature of 18 ° C to 25 ° C, in particular from 20 ° C to 22 ° C.
  • the liquid foam material leads directly into the fiber fleece.
  • the liquid foam material may be provided with a blowing agent such that
  • the nonwoven fabric in particular a preformed nonwoven fabric has a basis weight in a range of 150 to 700 g / m 2 .
  • the component By activation of the liquid foam material in the penetrated into the nonwoven fabric and optionally outside lying state within the mold, the component is simultaneously brought into its final shape, in particular pressed.
  • the component has an outer foam layer, in particular formed on an upper side, and a partially or completely foamed nonwoven fabric.
  • the nonwoven fabric is already preformed, so that the nonwoven fabric is still solidified by the foam material and provided on the outside with a cushion layer.
  • the component can be partially densified differently.
  • the coating acts as a barrier.
  • a component in particular a component for a vehicle is produced by means of the method, expediently a vehicle interior component, in particular a component for a vehicle seat, for example a
  • Backrest support or a seat cushion support for a vehicle seat is provided.
  • the invention further relates to a particular by means of
  • the fiber layer has a higher density than the foam layer.
  • the density of the fiber layer is in a range between 150 g / l and 700 g / l and that of the foam layer in a range between 100 g / l and 300 g / l. This allows a particularly thin component with a comfortable support surface, wherein the component has a total thickness of less than 12 mm, in particular a total thickness in a range of 5 mm to 12 mm, for example between 8 mm and 10 mm or less than 8 mm.
  • the fibrous layer forms a front side of the component, for example a back support or a seat cushion support, and the foam layer a back or vice versa.
  • the fibrous layer preferably forms the rear side of the component.
  • On the front of the component can then be formed to form the vehicle seat nor the seat of a seat cushion or a seat back, for example, by still a cushioning material and a seat cover are arranged or only a seat cover is arranged.
  • the fiber layer in particular the nonwoven fabric, advantageously has a constant basis weight, so that the components produced can also be formed with a substantially constant weight per unit area.
  • the nonwoven fabric can optionally be prefabricated to a semi-finished and preformed.
  • the preformed nonwoven fabric may be provided with a coating, in particular a plastic coating, for example a polyethylene layer or a polyethylene film.
  • Nonwoven fabric a heated plate may be provided, on which the nonwoven fabric or the preformed nonwoven fabric is placed to heat it and then insert it into the mold.
  • a heated plate other heating means for heating the nonwoven fabric are possible, for example, a heating by means of infrared irradiation by one or more
  • Infrared heaters is a heating of the nonwoven fabric by means of at least one heating device required to soften it in the heated state so that a predetermined porosity is adjustable at least in the surface region of the nonwoven fabric.
  • liquid plastic material in particular a liquid, foamable plastic, applied to the arranged in the mold fiber fleece and the component is formed, pressed or injection molded by means of the molding tool. As a result, only a single manufacturing station is required, in which the entire process can be carried out.
  • the nonwoven fabric replaces a conventional wool wadding used in the prior art, which has the described advantages of
  • the thermally treated nonwoven fabric having the above-described adjustable porosity and density is formed of, for example, polyester fibers and / or other plastic fibers, especially melt fibers. Also an education from with such plastic fibers, especially melt fibers, mixed
  • Wool / cotton wool is possible. Ie. the fiber layer or the fiber fleece is designed such that it im in a given
  • the softening temperature heated state is reshapeable or malleable and stiffened by subsequent cooling again so that at least in
  • predetermined porosity and / or a predetermined density is adjustable.
  • the formed from non-woven fabric with penetrated foam material component has a high rigidity and at the same time an improved
  • the nonwoven used in particular rolled or sheet goods, for example, comprises a polyester material and / or others
  • Fused fibers d. H. it expediently comprises fibers
  • Plastic in particular of thermoplastic. Furthermore, it may also include, for example, natural fibers or other fibers. Suitable for forming the nonwoven fabric are, for example, the above-mentioned fiber materials.
  • the molding of the component in the mold is done by a
  • Fiber material and the liquid foam material in the mold Fiber material and the liquid foam material in the mold.
  • one or more inserts made of plastic may or may additionally be made, for example
  • PET Polyethylene terephthalate
  • Such an insert for example a plastic film, such as a polyurethane film, in particular allows a seat ventilation.
  • This insert is expediently applied to the fiber layer or the fiber fleece and bonded to the fiber layer or the fiber fleece with a so-called adhesive tape and / or by hot riveting by means of a so-called hot riveting unit and / or by cold stamping. Then that will be
  • Inserting parts is expediently used as a molding tool, a so-called cassette tool, wherein by means of one or more
  • Mold tool can be adapted to different shapes.
  • This embodiment of the component has compared to the prior art, a lower weight, can be well dry after forming in the cassette tool and has a higher purity sort because, for example, the inserts, the fiber material and the
  • Foam material have the same plastic, for example polyester or polyethylene terephthalate (PET), while in the prior art, a woolen fleece is used, d. H. another material that the
  • FIG. 1 schematically shows an exemplary embodiment of a component designed as a seat back
  • Figure 2 schematically shows an embodiment of a seat part
  • FIG. 3A, 3B, 3C schematically enlarged partial views of each one
  • FIG. 4 schematically shows a method sequence of a method for producing a component.
  • Figures 1 and 2 each show a plan view of a
  • FIG. 1 shows a component 1 designed as a backrest cushion part
  • FIG. 2 shows a component 1, designed as a seat part cushion, of a vehicle seat (not shown).
  • the formed in particular as a padding element for a vehicle seat component 1 is alternatively formed to a known nonwoven or upholstery, in particular a wool-fleece nonwoven or natural fiber pad from a fiber layer 1 .1 of a fiber material, at least on one
  • the foam layer 1 .2 in particular a padding foam layer, completely on the at least one surface side on the fiber layer 1 .1 be applied. Alternatively, this can also be applied only partially.
  • the component 1 according to the invention comprises at least one
  • Fiber layer 1 .1 wherein the foam material of the foam layer 1 .2 at least partially or completely, in particular in the surface region of the fiber layer 1 .1 penetrated.
  • the component 1 at a complete penetration of the liquid foam material in the fiber layer 1 .1 a high density, in particular a density in the range of 300 kg / m 3 . It only comes to a partial Penetration of the Schaummatehals in the fiber layer 1 .1 has the
  • Component 1 in the final state at least a density of greater than 90 kg / m 3 , in particular greater than 100 kg / m 3 .
  • the component 1 is formed from a fiber layer 1 .1, which is thermally treated such that a porosity at least in
  • the fiber layer 1 .1 is adjustable.
  • the fiber layer 1 .1 in particular a nonwoven fabric, as a roll or
  • Preformed plate material and be at least once or several times thermally pretreated.
  • the fiber layer 1 .1 may also be preformed.
  • the fiber layer 1 .1, in particular a nonwoven fabric is made of a
  • the fibrous layer 1 .1 has such a surface-open porosity open by thermal treatment that a liquid
  • Foam material of the foam layer 1 .2 up to a predetermined depth in particular controlled in the fiber layer 1 .1 can penetrate.
  • the fibrous material may comprise, for example, at least one modified and weldable thermoplastic, which is formed, for example, from a three-dimensional stochastically oriented polyethylene terephthalate (PET) or polyester or from a synthetic polymer, in particular from polylactide (PLA for short), which additionally comprises, for example, a thermosetting binder or one
  • Halogenated hydrocarbon in particular chloroprene rubber, and / or bound by means of a polyurethane or polyurethane-based binder.
  • FIG. 3A shows an enlarged sectional view of a component 1 in one possible embodiment. Due to the improved strength and Hardness of the component 1 as a result of in the fiber layer 1 .1 penetrated in the liquid state and then foamed there
  • Foam material of the foam layer 1 .2, the fiber layer 1 .1 over conventional padding elements for a vehicle seat have a smaller thickness.
  • the component 1 shown as a cushioning element in Figure 3 preferably has a thickness D of less than 8 mm, in particular of less than 7 mm.
  • the fiber layer 1 .1 in particular has a thickness D1 of 0.5 mm to 5 mm.
  • the foam layer 1 .2 has a thickness D2 of less than 6 mm.
  • the thickness D2 of the foam layer 1 .2 also depends on the degree of penetration of the foam material into the fiber layer 1 .1.
  • the foam material of the foam layer 1 .2 penetrates the
  • the foam layer 1 .2 completely, so the foam layer 1 .2 has a small thickness D2, for example, from 1 mm to 4 mm.
  • the fiber layer 1 .1 forms a back side of the component 1 and the foam layer 1 .2 a front side, in particular pad side of the vehicle seat. On the front of the component 1 can then be used to form the vehicle seat nor the seat of a
  • Seat cushion or a seat back are formed by, for example, still a cushioning material and a seat cover are arranged or only a seat cover is arranged.
  • the fiber layer 1 .1 advantageously has a constant
  • Basis weight so that the manufactured component 1 is formed with a substantially constant basis weight.
  • the foam layer 1 .2 is formed in particular of polyurethane.
  • FIG. 3B shows an alternative embodiment of a component 1 with an enlarged sectional view through the component 1.
  • the nonwoven fabric 1 .1 is provided with a coating 1 .3.
  • the coating 1 .3 is particularly thin, in particular as a film formed on the nonwoven fabric 1 .1.
  • the coating 1 .3 made of plastic, in particular made of polyethylene.
  • the coating 1 .3 causes improved strength and hardness of the component 1, in particular the fiber layer 1 .1.
  • the coating 1 .3 is designed such that the
  • Foam material of the foam layer 1 .2 at least partially in the
  • Fiber layer 1 .1 can penetrate.
  • Penetrated foam material of the foam layer 1 .2 further increases the strength and causes the component 1 compared to conventional padding elements for a vehicle seat has a much smaller thickness.
  • FIG. 3C shows a further embodiment of a component 1 with an enlarged sectional view through the component 1.
  • an intermediate layer 1 .4 is provided between the fibrous web 1 .1 and the foam layer 1 .2.
  • the intermediate layer 1 .4 is used for ventilation especially in the intended use.
  • the intermediate layer 1 .4 for example, cavities, in particular a capillary structure, for example, fine elongated cavities in order to form ventilation ducts in the intended use.
  • the intermediate layer 1 .4 may also be formed as a film.
  • Capillary structure or the cavities in the intermediate layer 1 .4 are fluidly coupled to transport moisture from the surface side 01 and thus a seat or back surface away and to allow optimal air circulation.
  • the intermediate layer 1 .4 of a corresponding material in particular a moisture-transporting material, such as a spacer fabric or polyurethane-based spacer fabric, and having a corresponding shape, in particular capillary structure,
  • the intermediate layer 1 .4 has a thickness D3 of 1 mm.
  • the intermediate layer 1 .4 has a thickness D3 of 1 mm.
  • Interlayer 1 .4 a thickness D3 in a range of 0.5 mm to 2 mm.
  • the component 1 shown as a cushion element in FIGS. 3A, 3B or 3C preferably has a total thickness D of less than 8 mm, in particular less than 7 mm.
  • the total thickness D may in particular be in a range between 5 mm and 12 mm, preferably 8-10 mm.
  • a process for the production is shown schematically in FIG.
  • the fiber layer 1 .1 is thermally, for example by, for the production of the component 1
  • Heat supply T treated in such a way that a predetermined porosity P1 .1, in particular at least on a surface side of the fiber layer 1 .1 a predetermined surface porosity is adjustable.
  • the fiber layer 1 .1 can be partially thermally treated differently, so that different solid fiber layer regions arise. For example, areas with inserts 2 to 4 may become thermally stronger treated to achieve higher strength than in other areas.
  • the fiber layer 1 .1 is provided with a liquid foam material, in particular polyurethane, at least on one surface side, preferably on the one with the predetermined porosity P1 .1.
  • a liquid foam material in particular polyurethane
  • Fiber fleece inserted in a mold.
  • the liquid foam material is then introduced into the mold.
  • the liquid foam material penetrates into its surface.
  • the predetermined and adjustable porosity P1 .1 is the
  • Fiber layer 1 .1 characterized as a result of the thermal treatment, by an adjustable number of pores, an adjustable size of the pores and / or an adjustable depth of the pores.
  • the foam material does not penetrate through the fiber layer 1 .1.
  • the fibrous layer 1 .1 is produced with such a porosity P1 .1 that the foam material penetrates only on the surface side and does not penetrate.
  • the component 1 is formed by closing the mold and pressing, in particular hot pressing of the two layers, in particular the fiber layer 1 .1 and the foam layer 1 .2, finally. In this case, it can come to activate the liquid and penetrated foam material in the fiber layer 1 .1, so that this fiber layer 1 .1 is solidified after cooling and curing of the foam material.
  • Such a component 1 has a small thickness of less than 8 mm, in particular less than 7 mm.
  • such a component 1 has a high density of greater than 90 g / l, in particular from 100 g / l to 300 g / l.
  • the fiber layer 1 .1 can be thermally treated in the mold itself.
  • Molded are introduced, in particular scattered, and thermally treated and optionally preformed. Subsequently, the liquid foam material of the foam layer 1 .2 is introduced into the mold. Due to the given porosity P1 .1, this leads to a
  • the fiber layer 1 .1 can be prefabricated and thus be in solid form, for example as a non-woven fabric in roll or mat product.
  • the nonwoven fabric can be introduced into the mold and thermally treated there.
  • Foam layer 1 .2 filled due to its high resilience a remaining space between the fiber layer 1 .1 and one of the shape of the back corresponding mold half of the mold without further action.
  • the foam material thus fills the free volume of the mold and forms an outer cushion layer - the foam layer 1 .2 - and penetrates beyond the already in
  • both layers 1 .1, 1 .2 are pressed together and connected together.
  • the component 1 in the finished final state has good rigidity, strength and resistance, and preferably nevertheless a softness.
  • the component 1 is dried.
  • the component 1 can still be punched or pinned.
  • the pinching is advantageously carried out during drying, the punching is advantageously carried out after drying, wherein the component 1, for example, either pimped or stamped or, for example, partially pimped and partially punched.
  • the drying is expediently carried out in a closed mold. Is expediently dried by an air supply to the component. 1
  • the component 1 with at least one or more
  • Depositors / n 2 to 4 are provided. As depositors 2 to 4 become
  • fastener 2 nonwoven inserts 3 to 4 integrated into the component 1.
  • the component 1 and the inserter (s) 2 to 4 are connected to one another by means of suitable connections, such as so-called adhesive tape or hot riveting unit.
  • the conventional production method results in an improved high strength and density of greater than 100 g / l with simultaneously small thickness D of less than 12 mm, in particular less than 10 mm or less than 8 mm of the component 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne un élément (1), en particulier un élément support, formé d'au moins une couche de fibres (1.1) et d'au moins une couche de mousse (1.2), un matériau alvéolaire de la couche de mousse (1.2) traversant au moins partiellement ou totalement la couche de fibres (1.1), et l'élément (1) présentant une épaisseur (D) inférieure à 8 mm.
PCT/EP2017/060671 2016-05-04 2017-05-04 Élément et son procédé de fabrication Ceased WO2017191263A1 (fr)

Applications Claiming Priority (4)

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DE102016207711.2 2016-05-04
DE102016207711 2016-05-04
DE102016213791.3A DE102016213791B4 (de) 2016-05-04 2016-07-27 Bauteil und Verfahren zu dessen Herstellung
DE102016213791.3 2016-07-27

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WO2017191263A1 true WO2017191263A1 (fr) 2017-11-09

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Cited By (3)

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WO2020030725A1 (fr) 2018-08-08 2020-02-13 Adient Engineering and IP GmbH Pièce en mousse, en particulier pour un siège de véhicule, ainsi que procédé de fabrication d'une pièce en mousse
CN111730795A (zh) * 2020-07-07 2020-10-02 重庆市宏立摩托车制造有限公司 一种带有无纺布衬件的坐垫发泡工艺
CN115989124A (zh) * 2020-09-29 2023-04-18 安道拓美国有限责任公司 泡沫部件，特别是用于车辆座椅的泡沫部件，用于生产泡沫部件的方法，以及车辆座椅

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DE102019113987A1 (de) * 2019-05-24 2020-11-26 Faurecia Autositze Gmbh Verfahren zum Herstellen eines Schaumstrukturelementes, Schaumstrukturelement sowie Sitz
US20240383389A1 (en) * 2021-09-22 2024-11-21 Adient Us Llc Seat component, seat and method for producing a seat component
DE102021214915A1 (de) 2021-09-22 2023-03-23 Adient Us Llc Formkörper für eine Sitzkomponente Verfahren zur Herstellung eines Formkörpers

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DE3022017C2 (fr) 1980-06-12 1989-02-02 Johann Borgers Gmbh & Co Kg, 4290 Bocholt, De
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DE102008035610A1 (de) * 2008-07-31 2010-02-04 Johnson Controls Gmbh Polsterelement, insbesondere ein Sitzpolsterelement zur Verwendung in einem Kraftfahrzeug, Verfahren zur Herstellung eines Polsterelements und Fahrzeugsitz
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US20130127225A1 (en) * 2011-11-18 2013-05-23 Toyota Boshoku Kabushiki Kaisha Vehicle seat
EP2853628A1 (fr) * 2012-05-22 2015-04-01 Mitsui Chemicals, Inc. Stratifié de nontissé pour moulage de mousse ainsi que procédé de fabrication de celui-ci, et composite de corps moulé de mousse uréthane mettant en uvre ce stratifié
EP2933136A1 (fr) 2014-04-16 2015-10-21 Johnson Controls GmbH & Co. KG Élément de rembourrage et procédé de fabrication d'un élément de rembourrage

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Publication number Priority date Publication date Assignee Title
DE1887438U (de) * 1962-12-20 1964-02-13 Pirelli Sapsa Spa Geformter, verstaerkter polsterkoerper aus elastischem schaumstoff, insbesondere aus elastischem, geschaeumtem polyurethan.
DE2652102A1 (de) * 1975-11-18 1977-06-02 Sadaaki Takagi Polyurethan-polstermaterial und verfahren zur herstellung desselben
DE3022017C2 (fr) 1980-06-12 1989-02-02 Johann Borgers Gmbh & Co Kg, 4290 Bocholt, De
DE19636814A1 (de) * 1996-09-11 1998-03-12 Fehrer F S Gmbh & Co Kg Schaumstofformteil mit Armierung und Verfahren zu seiner Herstellung
DE102008035610A1 (de) * 2008-07-31 2010-02-04 Johnson Controls Gmbh Polsterelement, insbesondere ein Sitzpolsterelement zur Verwendung in einem Kraftfahrzeug, Verfahren zur Herstellung eines Polsterelements und Fahrzeugsitz
DE102010040082A1 (de) * 2010-09-01 2012-03-01 Bayerische Motoren Werke Aktiengesellschaft Polsterung und Verfahren zur Herstellung einer Polsterung
US20130127225A1 (en) * 2011-11-18 2013-05-23 Toyota Boshoku Kabushiki Kaisha Vehicle seat
EP2853628A1 (fr) * 2012-05-22 2015-04-01 Mitsui Chemicals, Inc. Stratifié de nontissé pour moulage de mousse ainsi que procédé de fabrication de celui-ci, et composite de corps moulé de mousse uréthane mettant en uvre ce stratifié
EP2933136A1 (fr) 2014-04-16 2015-10-21 Johnson Controls GmbH & Co. KG Élément de rembourrage et procédé de fabrication d'un élément de rembourrage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020030725A1 (fr) 2018-08-08 2020-02-13 Adient Engineering and IP GmbH Pièce en mousse, en particulier pour un siège de véhicule, ainsi que procédé de fabrication d'une pièce en mousse
CN111730795A (zh) * 2020-07-07 2020-10-02 重庆市宏立摩托车制造有限公司 一种带有无纺布衬件的坐垫发泡工艺
CN115989124A (zh) * 2020-09-29 2023-04-18 安道拓美国有限责任公司 泡沫部件，特别是用于车辆座椅的泡沫部件，用于生产泡沫部件的方法，以及车辆座椅
US12420460B2 (en) 2020-09-29 2025-09-23 Adient Us Llc Foam part, in particular for a vehicle seat, method for producing a foam part, and vehicle seat

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DE102016213791A1 (de) 2017-11-09

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