WO2013120885A1 - Pièce en matériau fibreux et son procédé de fabrication - Google Patents

Pièce en matériau fibreux et son procédé de fabrication Download PDF

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Publication number
WO2013120885A1
WO2013120885A1 PCT/EP2013/052851 EP2013052851W WO2013120885A1 WO 2013120885 A1 WO2013120885 A1 WO 2013120885A1 EP 2013052851 W EP2013052851 W EP 2013052851W WO 2013120885 A1 WO2013120885 A1 WO 2013120885A1
Authority
WO
WIPO (PCT)
Prior art keywords
fiber
hollow
fibers
hollow fiber
core
Prior art date
Application number
PCT/EP2013/052851
Other languages
German (de)
English (en)
Inventor
Thomas KÜHL
Original Assignee
Groz-Beckert Kg
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 Groz-Beckert Kg filed Critical Groz-Beckert Kg
Publication of WO2013120885A1 publication Critical patent/WO2013120885A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • 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
    • B32B5/022—Non-woven fabric
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—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
    • B32B2419/00—Buildings or parts thereof

Definitions

  • the present invention relates to a fiber material ⁇ part and a method for its preparation.
  • the fiber material part is multi-part and / or multi-layered ⁇ builds and serves, for example, as insulation for buildings.
  • the multi-part according to the invention and / or Herschich ⁇ term fiber material part comprises at least a core part and at least one hollow fiber section, which are preferably connected UNMIT ⁇ telbar each other.
  • One or more core parts may each form a core layer.
  • One or meh ⁇ eral hollow fiber parts can form a hollow fiber layer in each case.
  • the core part is made of a non-woven, which is formed from interconnected textile fibers, which are executed in particular solid without enclosed cavities.
  • the hollow fiber part has a plurality of hollow fibers on.
  • Each hollow fiber defines at least one cavity or includes at least one cavity.
  • the cavity may be filled with a liquid or with gas, for example with air. Alternatively, there may be a vacuum in the cavity.
  • the cavity may be completely closed or at least open at the ends of the hollow fiber.
  • the hollow fiber section has particularly good perennial isti ⁇ solationseigenschaften. Due to the enclosed cavity, the heat is passed through the hollow fiber or through the hollow fiber part only very bad. It is therefore possible to achieve a very effective thermal insulation even with relatively thin hollow fiber parts or hollow fiber layers. As a result, for example, the Jacquese according ⁇ insulating buildings simplified considerably. The thinner the heat insulation to be applied to the building, the easier and less expensive the insulation of the building.
  • the space required is reduced, which is particularly important if the insulation is to be mounted inside a building.
  • the reconstruction effort can ⁇ protrusions on roofs, window frames, gutters, etc. are reduced by the very thin fiber material parts.
  • hollow ⁇ fiber can serve, for example, a polymer fiber.
  • the sound waves are broken at many interfaces. These interfaces are formed by density jumps between adjacent materials or media.
  • hollow fiber part of the hollow fibers are outside of air vice ⁇ ben. This is adjacent to the material of the hollow fiber, which can also be constructed in a multi-layered way.
  • a further interface between the Ma ⁇ material of the hollow fiber and the medium or vacuum is formed in cavity. At each boundary layer are obliquely incident Sound waves are broken, so that only a part of it is reflected.
  • the hollow fibers mate rial ⁇ with a small speed of sound or be ⁇ are made of such a material, for example elastomer, in which the sound velocity is preferably less than 150 or less than 100 meters per second. Due to the refraction and / or partial reflection, waves can be superimposed and at least partially extinguished. Ideally, the sound waves propagate within the fiber material part. Au ⁇ ßerdem be moved, the hollow fibers as well as the textile fibers of the core part by the acoustic waves, wherein a portion of the acoustic energy is converted into heat by friction.
  • the number of the hollow fibers is as large as possible to encourage improvements ⁇ tion of acoustic insulation, since thereby the number of jumps in density, so the transitions of Materia ⁇ lien different densities and having different acoustic velocity, increases in the fiber material part and the sound is improved.
  • the hollow fibers have a direflä ⁇ che with a plurality of circumferentially distributed around the hollow fiber arranged projections.
  • the hollow fiber may have a sternför ⁇ shaped contour in cross-section.
  • gaps are formed between the hollow fibers of the hollow fiber part, which contribute to the reduction of heat conduction and thus to improve the thermal insulation.
  • the projections may extend in the direction of the fiber along the entire hollow fiber.
  • sound waves between two adjacent projections can be broken in several places and some reflected to the sound insulation fibers to verbes ⁇ .
  • the hollow fibers respectively, the we ⁇ ilias a hollow fiber section in a spunbond process, or a meltblown process.
  • the cavity of the hollow fiber can be filled in a simple manner with the desired gas ⁇ contain the or a vacuum.
  • the hollow fibers of a hollow fiber part may be spun together, so that a better cohesion of the hollow fibers of Hohlfa ⁇ serteils is ensured.
  • the Hohlfa ⁇ serteil be prepared by extruding the hollow fibers and then spinning the hollow fibers.
  • the hollow fibers may alternatively or additionally be bonded together in a material-locking manner.
  • the fiber density of the hollow fiber part is smaller in a be ⁇ preferred embodiment than the fiber density of the core part.
  • the fiber density is the mass of the relevant part divided by the volume of the part to understand. If more than one hollow fiber part is provided, the fiber density of the hollow fiber parts may be the same or different. If more than one core part is provided, the fiber density of the core parts may be the same or different. A small fiber density in the hollow fiber part can further improve the thermal insulation, since the proportion of liquid, gas or vacuum is large.
  • the hollow fibers of at least one hollow fiber part may have a coating or impregnation.
  • the coating or impregnation may be applied directly to the extruded or melt blown hollow fibers and / or to the hollow fibers assembled into a hollow fiber part.
  • the coating or impregnation may be flame-retardant, so that the fiber material part can simultaneously serve as fire protection.
  • a coating or impregnation may also serve to prevent fungi or the ingress of moisture. It is also possible that the hollow fiber part of hollow fibers of different material and / or with differing ⁇ chen coatings and / or having different impregnations, so that several of the above-mentioned effects and protective effects can be achieved.
  • the impregnation or coating can be produced either subsequently or else by the so-called bi-component technology or multicomponent technology already during the extrusion of the fibers.
  • the fiber material ⁇ part to a core part, which forms a continuous core layer.
  • a hollow fiber section is arranged, which may for example form a hollow fiber layer.
  • a two-, three- or multilayer structure of the fiber material part can be achieved.
  • at least the hollow fibers of a hollow fiber layer against the ingress of Protect moisture can be dispensed with additional vapor barriers or the like between the core layer and the hollow fiber layer or the hollow fiber layers.
  • the fibers of the core part formed by the fleece are made as hollow fibers.
  • At least part of the textile fibers of the core part and / or the hollow fibers of the hollow fiber part can have a
  • Plastic with hot melt adhesive property included.
  • the textile fibers of the core part or of the hollow fibers of the hollow fiber part of the plastic can be preferably activated without the addition of other binders to bind the fibers of the relevant part and together.
  • the core part is connected to the at ⁇ closing at least one hollow fiber section by Verfesti ⁇ supply and / or cohesively.
  • This connection can be effected for example by a solidification of the parts with the aid of needles or by means of a disembodied Flu ⁇ ids, such as water jets.
  • the parts can be connected to one another in a material-locking manner, for example with the aid of a binder or adhesive.
  • the parts can also be bonded together by lamination.
  • a nonwoven fabric is made from a random fiber web of textile fibers, which constitutes the core part of the fiber material.
  • this core ⁇ part is arranged on one side or on both sides in each case at least one hollow fiber part of a plurality of Hohlfa ⁇ fibers.
  • the hollow fiber part or the hollow fiber parts is connected to the core part.
  • Such a manufacturing process is extremely flexible. depend According to the application, different materials or plastics can be used to produce the hollow fibers. Accordingly, the textile material used for the production of the core part can be adapted to the application. The procedure does not change as a result.
  • FIGS. 1 to 4 each show an exemplary embodiment of a fiber material part in a schematic principle illustration
  • Figures 5 to 7 each show a schematic representation of an embodiment of a hollow fiber for the Hohlfa ⁇ serteil of the fiber material portion
  • FIG. 8 shows an embodiment of a hollow fiber in a schematic cross-sectional representation
  • Figure 9 is a schematic block diagram similar Dar ⁇ position of an embodiment of a method and a plant for the production of the fiber material portion
  • FIG. 10 shows an alternative production possibility of the hollow fibers and / or the textile fibers in the spunbonding process for the plant or the process according to FIG. 9 and FIG.
  • Figure 11 is a schematic representation of one embodiment of a spinneret for the illustrated ⁇ clear in Figure 10 method.
  • the invention relates to a fiber material part 10, which is ver ⁇ used as Dämmmaterialteil for building insulation, for example.
  • the fiber material part 10 consists of multiple fibers or Filament fixing 11. It comprises at least a core part 12 and at least one with the core member 12 verbun ⁇ Denes hollow fiber section 13.
  • a core member 12 is provided which forms a continuous core layer.
  • a plurality of core parts 12 or core layers could also be present.
  • each hollow fiber ⁇ part 13 is a hollow fiber layer covering the core member 12 surface on the associated side.
  • the number of so- ⁇ formed layers may vary. There may be two, three or more layers alternately of a core layer and a hollow fiber layer.
  • the contact or interface between a hollow fiber section 13 or a hollow fiber layer and the adjacent core part 12 and the adjacent core layer may be in a plane extending ( Figure 1) or irregular, such as curved, wel ⁇ lig, stepped, serrated or in another run any shape ( Figures 2 and 3). It is also possible to provide 12 recesses or recesses in a core part, in which then a respective hollow fiber part 13 is arranged ( Figure 2). In the second embodiment of Figure 2, these recesses are semi-cylindrical or hemispherical, although other shapes can be selected.
  • the core part 12 is formed by a fleece 14 of interconnected textile fibers 15.
  • textile fiber 15 natural fibers and / or synthetic fibers can be used. It is also possible to combine natural and synthetic fibers into a fiber mixture and to produce the nonwoven 14 therefrom.
  • the textile fibers 15 for the core member 12 can also contain mineral fibers such as stone fibers or glass fibers, and the nonwoven 14 may be made entirely of such Fa ⁇ fibers.
  • the textile fibers are preferably made solid without internal cavities or chambers.
  • the textile fibers 15 of the core part 12 may also be at least partially hollow fibers formed by hollow fibers.
  • the core member 12 also serves as a carrier for the Wenig ⁇ least a hollow fiber section 13.
  • Each hollow fiber section 13 has a plurality of hollow fibers 18.
  • the hollow fibers 18 are preferably made of plastic, for example in a melt-blowing process or by extrusion.
  • a hollow fiber part 13 may comprise hollow fibers 18 made of different plastics. Additionally or alternatively, it is also possible that each hollow fiber part 13 has hollow fibers 18 made of different plastic material.
  • one of the building wall or the building ceiling associated hollow fiber part 13 may be made of other Mate ⁇ rial, as a the wall or the ceiling from ⁇ facing hollow fiber part 13th
  • Each hollow fiber 18 has at least one cavity 19 on, which may be open to the environment ( Figure 6) or completely closed ( Figure 5).
  • the hollow fibers 18 are initially made endless and open at both longitudinal ends 20 by the spinning process or the meltblown process. It is possible to permanently provide a liquid, a gas or a vacuum in the cavity 19 and to seal the hollow fibers 18 at specific intervals, at least at both longitudinal ends 20. Also, a plurality of axially adjacent and in particular closed against each other cavities 19 Kings ⁇ NEN be present in a hollow fiber 18 ( Figure 7).
  • the hollow fiber 18 has a tube-like shape.
  • the cavity 19 can extend completely in the direction of fiber flow of the hollow fiber 18 along the entire hollow fiber 18 (FIGS. 5 and 6).
  • a plurality of axially adjoining along the entire hollow fiber 18 existing completely closed cavities 19 may be provided ( Figure 7).
  • the least one cavity 19 may be filled with liquid, air or other gas. It is mög ⁇ Lich to specify a desired pressure. Alternatively, in the at least one cavity 19 also prevail a vacuum. Through this cavity 19, the heat conduction transversely to the direction of fiber flow of the hollow fiber 18 is low.
  • a hollow fiber part 13 made of open and / or closed hollow fibers 18 has a very good insulation effect.
  • the cavity 19 remote from the outer surface 21 of the hollow fiber 18 may be made flat except for the roughness of the plastic material used.
  • the outer surface 21 of the hollow fiber 18 is executed ⁇ uneven.
  • the outer surface 21 has a plurality of projections 22 in the circumferential direction U with respect to the direction of fiber travel. Viewed in the circumferential direction U, the projections 22 taper in a radially radial direction R radially outward. Viewed in cross section, the projections 22 have a triangular shape.
  • the pre ⁇ cracks 22 are arranged preferably distributed regelbau ⁇ a resident of the circumferential direction U.
  • the hollow fiber 18 is thus considered in cross-section a star-shaped contour ( Figure 8).
  • the cross section of the hollow fiber 18 is constant in the direction of the fiber along the entire hollow fiber. Only at the two longitudinal ends 20 and possibly other locations at which a cavity 19 is closed, the cross-sectional shape of the hollow fiber 18 changes.
  • At least the hollow fibers 18 of a hollow fiber part 13 may have a coating or an impregnation 25, which is illustrated only extremely schematically in FIGS. 5 and 6.
  • the impregnation of the hollow fibers 18 can provide improved protection against damage to the building and / or the fiber material part 10.
  • the impregnation 25 may act against moisture and / or fungus formation and / or flame retardant.
  • the impregnation 25 can be applied directly to the hollow fibers 18.
  • FIG. 9 An apparatus 26 for manufacturing the fibrous material part 10 is extremely schematized in Figure 9 illustrates ⁇ light. The manufacturing method will be explained below with reference to FIG.
  • a loose random fiber web 27 is first produced from the textile fibers 15.
  • the tangled fiber web 27 is then solidified by way of example by a consolidation device 28 to form a nonwoven 14.
  • the solidification device 28 can supply the textile fibers 15 of the random fiber fabric 27, for example with the aid of needles or, as in the exemplary embodiment, with aid of solidify of fluid jets and in particular water jets 29.
  • the textile fibers 15 can also be bonded to one another in a material-locking manner.
  • a binder can be applied to the textile fibers 15, in particular by spraying a fludischen binder.
  • the textile fibers 15 with a plastic or to produce from a plastic having hot melt adhesive properties.
  • These hot melt adhesive properties can be activated by radiation or heat, whereby a cohesive connection is achieved.
  • the nonwoven web 14 is thus free of binder. Closing ⁇ Lich, a further possibility for connecting the textile fibers 15 is that they are spun together.
  • a melt blowing device 33 For the production of a hollow fiber part 13, crizspielsge ⁇ according to a hollow fiber layer, used in the embodiment, a melt blowing device 33.
  • Each melt blowing device 33 has a melting device 34 for generating a melt S, which is supplied in the liquid or viscous state of a chamber 35 of a spinner 36.
  • a plurality of outlet openings are provided in a peripheral wall which surrounds the chamber 35 annular.
  • the melt S is pushed out or conveyed out of the outlet wall in the outlet wall .
  • the off ⁇ outlet openings are annular doing so hollow fibers 18 are formed - as this is also done in the extrusion of tubular plastic parts.
  • Um- Starting direction around the spinner 36 is a distributed gas flow, for example, a stream of air formed, in which the emerging from the ⁇ exit openings hollow fibers penetrate 18 and this entrains in the flow direction and deposits, for example, on a conveyor belt 40 or other storage surface.
  • the hollow fibers 18 may be impregnated within the gas stream or after being deposited.
  • each hollow-fiber part 13 in each case one melt- blowing device 33 is present.
  • the hollow fibers is prepared and 18 for a hollow fiber section 13 placed on the trans port ⁇ ribbon 40 via one of the two Schmelzblas owneden 33rd
  • the produced nonwoven 14 is placed on this first layer of hollow fibers 18.
  • a further layer of Hohlfa ⁇ fibers 18 about the other melt blowing equipment 33 is placed on the nonwoven fourteenth
  • Layers are supplied in the embodiment by means of the conveyor belt 40 of a connecting device 41.
  • the connecting direction 41 serves to connect the respective layer of hollow fibers 18 with the fleece 14 to form the respective hollow fiber layer 13.
  • the connecting device 41, the hollow fibers 18 by means of a binder by gluing and / or lamination with the web 14 connect.
  • the connecting device 41 may also comprise solidifying means in order to fasten the hollow fibers 18 to the nonwoven 14.
  • solidifying agents needles or fluid jets, in particular water jets can be used, as was also explained in connection with the solidification device 28.
  • the connecting device 41 may alternatively or additionally by a shape or disembodied radiation, such as heat radiation, infrared radiation, UV radiation or the like, activate a hot melt adhesive property of a plastic ⁇ substance.
  • a plastic having a melt adhesive ⁇ feature may be present at least 18 at a portion of the hollow fibers. In this way, a connection of the hollow fibers 18 with each other or the hollow fibers 18 can be achieved with the nonwoven 14.
  • the connecting device 41 may alternatively or additionally comprise pressure generating means which press or press the hollow fibers 18 and the nonwoven 14 against one another.
  • a desired fiber density can be achieved.
  • the fiber density in the hollow fiber part 13 is smaller than the fiber density ⁇ in the core part 12.
  • the fiber density is the mass of the relevant part 12, 13 divided by the volume of the part 12, 13 to understand.
  • connection device 41 may e.g. also include one or more calender rolls for setting a certain thickness of the fiber material part 10.
  • a connection of the respective hollow fibers 18 of a common hollow fiber part 13 to one another is simultaneously produced via the connecting device 41.
  • the hollow fibers 18 can also be solidified with one another and / or bonded to form a hollow fiber part 13 prior to connection to the nonwoven 14. It is also possible, the hollow fibers 18 of a hollow fiber part 13th to spin together. In this case, the connecting means 41 only serves to connect the supplied parts 12, 13 with each other.
  • the device 26 may comprise a cutting means, which is not shown in Figure 9.
  • the solidification device 28 may also be part of the connecting device 41.
  • Figure 10 shows a further possibility for the manufacture ⁇ development of the textile fibers 15 and / or the hollow fibers 18, which may be used in the device 26 in place of the Schmelzblas wornen 33rd
  • the fibers 15, 18 can also be produced in a spunbonding process by means of a blast nozzle arrangement 44 with a plurality of blast nozzles 45 arranged next to one another.
  • the melt S is via an opening
  • the fiber 15 or 18 is formed, which is deposited with ⁇ means of the hot air flow H on a storage surface, for example, the conveyor belt 40 ⁇ .
  • the Blasdü ⁇ sen 45 are arranged transversely to the transport direction of the conveyor belt 40 side by side.
  • Figure 11 shows a modified embodiment of a blowing nozzle 45, which may also find application.
  • the tuyere of Figure 11 has a plurality of openings 46 which virtualei ⁇ Nander are arranged at the nozzle exit 47th According to the example, the cross sections of the openings 46 are unequal in size, as a result of which differently strong fibers 15 and 18 are produced.
  • the openings 46 are not aligned parallel to each other, but towards a central axis, so that the fibers 15, 18 can come into contact with each other in the hot air flow and connect.
  • the invention relates to a fiber material part 10 and a method and a device 26 for its production.
  • the fibrous material part 10 consists of several parts or rebuilt ⁇ shifts. It has at least one core part 12 or a core layer and at least one hollow fiber part 13 which is connected to the core part 12 or the core layer 12 and which can form a hollow fiber layer 13.
  • the core part 12 is made of textile fibers 15 in which they are compressed or joined to form a nonwoven 14.
  • the nonwoven 14 serves, so to speak, as a carrier material for the at least one hollow fiber part 13.
  • the hollow fibers 18 of a hollow fiber ⁇ part 13 are via a melt-blowing process or
  • Each hollow fiber 18 includes a cavity 19.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne une pièce en matériau fibreux (10) ainsi qu'un procédé ou un dispositif (26) pour la fabriquer. La pièce en matériau fibreux (10) présente une structure en plusieurs pièces ou à plusieurs couches, comprenant au moins une âme (12) et au moins une pièce en fibres creuses (13) reliée à l'âme (12). L'âme (12) est fabriquée à partir de fibres textiles (15) en compactant ou assemblant ces dernières en un voile non tissé (14). Le voile non tissé (14) sert pour ainsi dire de support à la pièce en fibres creuses (13). Les fibres creuses (18) d'une couche de fibres creuses (13) sont produites par un procédé de fusion-soufflage, un procédé de filage-liage ou un procédé d'extrusion et elles peuvent être filées les unes avec les autres. Chaque fibre creuse (18) renferme une cavité (19). L'entrelacement d'une pluralité de ces fibres creuses (18) pour donner une pièce en fibres creuses (13) permet d'obtenir un bon effet d'isolation thermique et acoustique.
PCT/EP2013/052851 2012-02-14 2013-02-13 Pièce en matériau fibreux et son procédé de fabrication WO2013120885A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210101135 DE102012101135A1 (de) 2012-02-14 2012-02-14 Fasermaterialteil und Verfahren zu dessen Herstellung
DE102012101135.4 2012-02-14

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WO2013120885A1 true WO2013120885A1 (fr) 2013-08-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107627701A (zh) * 2017-08-07 2018-01-26 江阴升辉包装材料有限公司 一种真空贴体包装膜及其交联处理方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5622671A (en) * 1995-12-12 1997-04-22 Owens-Corning Fiberglass Technology, Inc. Hollow polymer fibers using rotary process
EP0896081A2 (fr) * 1997-08-04 1999-02-10 BBA Nonwovens Sweden AB Tissus réalisés à partir de fibres et filaments creux, méthode de fabrication
JP2001146666A (ja) * 1999-11-22 2001-05-29 Kanai Hiroaki 不織布
WO2005075725A1 (fr) * 2004-01-30 2005-08-18 The Procter & Gamble Company Tissus de fibres profilees
WO2006066601A1 (fr) * 2004-12-15 2006-06-29 Carl Freudenberg Kg Piece support thermoformable
WO2008066314A1 (fr) * 2006-11-29 2008-06-05 Huneco Co., Ltd. Feuille stratifiée contenant un retardateur de flamme, destinée à l'absorption acoustique
FR2942829A1 (fr) * 2009-03-06 2010-09-10 Duflot Ind Materiau d'insonorisation
KR20120005236A (ko) * 2010-07-08 2012-01-16 도레이첨단소재 주식회사 중공의 폴리에틸렌테레프탈레이트와 폴리프로필렌의 복합 재질을 사용한 니들 펀칭 부직포 및 그 제조방법
WO2012111723A1 (fr) * 2011-02-15 2012-08-23 三井化学株式会社 Tissu non tissé filé-lié

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5622671A (en) * 1995-12-12 1997-04-22 Owens-Corning Fiberglass Technology, Inc. Hollow polymer fibers using rotary process
EP0896081A2 (fr) * 1997-08-04 1999-02-10 BBA Nonwovens Sweden AB Tissus réalisés à partir de fibres et filaments creux, méthode de fabrication
JP2001146666A (ja) * 1999-11-22 2001-05-29 Kanai Hiroaki 不織布
WO2005075725A1 (fr) * 2004-01-30 2005-08-18 The Procter & Gamble Company Tissus de fibres profilees
WO2006066601A1 (fr) * 2004-12-15 2006-06-29 Carl Freudenberg Kg Piece support thermoformable
WO2008066314A1 (fr) * 2006-11-29 2008-06-05 Huneco Co., Ltd. Feuille stratifiée contenant un retardateur de flamme, destinée à l'absorption acoustique
FR2942829A1 (fr) * 2009-03-06 2010-09-10 Duflot Ind Materiau d'insonorisation
FR2942830A1 (fr) * 2009-03-06 2010-09-10 Duflot Ind Materiau d'insonorisation
KR20120005236A (ko) * 2010-07-08 2012-01-16 도레이첨단소재 주식회사 중공의 폴리에틸렌테레프탈레이트와 폴리프로필렌의 복합 재질을 사용한 니들 펀칭 부직포 및 그 제조방법
WO2012111723A1 (fr) * 2011-02-15 2012-08-23 三井化学株式会社 Tissu non tissé filé-lié

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107627701A (zh) * 2017-08-07 2018-01-26 江阴升辉包装材料有限公司 一种真空贴体包装膜及其交联处理方法

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