EP3219837B1 - Dispositive électrique avec un composant acoustique et un élement textile - Google Patents

Dispositive électrique avec un composant acoustique et un élement textile Download PDF

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Publication number
EP3219837B1
EP3219837B1 EP16160356.8A EP16160356A EP3219837B1 EP 3219837 B1 EP3219837 B1 EP 3219837B1 EP 16160356 A EP16160356 A EP 16160356A EP 3219837 B1 EP3219837 B1 EP 3219837B1
Authority
EP
European Patent Office
Prior art keywords
thread
fabric layer
threads
fabric
electrical device
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.)
Active
Application number
EP16160356.8A
Other languages
German (de)
English (en)
Other versions
EP3219837A1 (fr
Inventor
Hugo Müller
Markus SIEBER
Kilian SONDEREGGER
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.)
Sefar AG
Original Assignee
Sefar AG
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 Sefar AG filed Critical Sefar AG
Priority to EP16160356.8A priority Critical patent/EP3219837B1/fr
Priority to PCT/EP2017/051979 priority patent/WO2017157560A1/fr
Publication of EP3219837A1 publication Critical patent/EP3219837A1/fr
Application granted granted Critical
Publication of EP3219837B1 publication Critical patent/EP3219837B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/43—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with differing diameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/023—Screens for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H04R1/086—Protective screens, e.g. all weather or wind screens

Definitions

  • the invention relates to an electrical device with an acoustic component according to the preamble of claim 1.
  • the US 8,685,198 B2 teaches a textile arrangement for an acoustic component, which has a two-layer construction.
  • the textile assembly comprises a fabric layer which is bonded by the hot melt process to a polymer film as the second layer.
  • a construction of a multi-layered acoustic component serves to achieve good sound and acoustic properties, in particular in a mobile radio device.
  • the US 2009/0268928 teaches a layer construction of an acoustic component consisting of at least one fabric and a porous membrane. These are connected to each other by welding or by providing an adhesive. These are usually weld points for which the superimposed layers are selectively heated up to a melting temperature or an additional, for example thermoplastic material, which is provided in a flowable state between the layers as a coupling medium, in particular selectively.
  • connection with acoustic components are aging-susceptible, which is especially true for adhesive joints. Bonded layers can dissolve and delaminate. A change in the layered connection leads to an undesirable impairment of the sound and sound transmission properties.
  • the invention has for its object to provide an electrical device with an acoustic component for the transmission of sound, which allows high mechanical strength and longevity with good acoustic properties.
  • the electrical device has an acoustic component with a textile element having a multilayer structure, which is characterized in that the textile element comprises a single fabric, which is woven in multiple layers with at least a first fabric layer and a second fabric layer, that the first fabric layer of at least a first Thread with a first thread diameter is formed and that the second fabric layer is formed from at least one second thread with a second thread diameter, which is smaller than the first thread diameter.
  • the acoustic component is characterized in that a textile element according to the invention is provided.
  • the electrical device according to the invention is characterized in that at least one acoustic component according to the invention is installed.
  • a thread spacing between two weft and / or warp threads of a second fabric layer between two weft threads or warp threads of the first fabric layer changes with the distance from the weft thread or the warp thread of the first fabric layer, in particular with increasing distance increased.
  • a thread spacing between two weft and / or warp threads of a second fabric layer between two weft threads or warp threads of the first fabric layer changes with the distance from the weft thread or the warp thread of the first fabric layer, in particular with increasing distance increased.
  • only the distance between the weft threads is changed.
  • a basic idea of the invention is to provide an acoustic component as a single fabric with multiple fabric layers, wherein the individual fabric layers are formed with different thread thickness. In this case, in particular, a difference in the mesh size between the individual layers can be provided.
  • the acoustic component is woven as a unit. It thus accounts for age-sensitive adhesive or welded joints.
  • the use of different threads for the individual fabric layers allows a targeted adjustment of sound and sound transmission qualities. Delamination is reliably prevented.
  • the textile element is also particularly stable and can provide reliable protection against damage or penetration of foreign bodies, dust, dirt or liquid media with good acoustic and / or optical properties.
  • a method for producing a textile element in particular for an acoustic component is specified to provide the textile element as a multi-ply fabric, wherein individual warp and / or weft threads of the individual fabric layers with at least transverse to these individual weft and / or warp threads another, adjacent fabric layer be woven.
  • the distance between normal threads of the fabric layers, which are provided between two connecting threads can vary in defined weaving, with a particularly uniform mesh size distribution in the finished textile can be achieved.
  • This relates in particular to such stitch-forming, normal threads in the fabric layers, which are aligned parallel to the binding weft or the binding chain of the corresponding fabric layer or the connected fabric layer.
  • a preferred embodiment of the invention is that the first thread diameter is at least twice as large, preferably at least three times as large as the second thread diameter.
  • fabric layers can be provided in a single textile element having different properties, particularly in terms of air permeability, filter properties and soil retention, distinguishable hand and texture and / or distinguishable mechanical stability.
  • the different thread diameters of the at least first and second thread can in particular contribute to different spatial densities of the woven sub-elements, ie the fabric layers, as well as to an individually adjustable resonance behavior of the textile element by combining the advantages of different thread diameters in a textile element.
  • a particularly preferred embodiment of the invention consists in that the first thread diameter is between 30 ⁇ m and 400 ⁇ m, preferably between 50 ⁇ m and 300 ⁇ m, and that the second thread diameter is between 10 ⁇ m and 100 ⁇ m, preferably between 15 ⁇ m and 50 ⁇ m ,
  • the thread diameter for the respective fabric layer of the textile element can be adapted as needed to the requirements of the acoustic component in which the textile element can be provided.
  • at least one second fabric layer is formed with a very small, preferably technically minimum possible thread diameter.
  • the number of threads in the fabric layers is also important for the acoustic and mechanical properties. After an execution In the invention, it is preferable that a thread count of 5 to 150 threads / cm, preferably 10 to 120 threads / cm, in the first fabric layer (20) and a thread count of 40 to 400 threads / cm, preferably 50 to 380 threads / cm , is provided at the second fabric layer (30).
  • Monofilament filaments can be a synthetic material, in particular a polymer, such as polyethylene terephthalate (PET), polyacetylene (PA), polyetheretherketones (PEEK), polypropylene (PP), polyethylene (PE), polybutylene terephthalate (PBT), polyethylene naphthalate (PEM), polylactate (PLA) , Polystyrenes (PS), co-polymers and / or block polymers thereof or mixtures thereof.
  • Monofilament threads may in particular have a smooth or uniformly structured surface. This can be advantageous for a uniform resonance behavior of the textile element, in particular of its individual fabric layers.
  • Monofilament threads are characterized by a low-fiber, in particular fiber-free and / or uniform or smooth thread surface.
  • a textile element as a single fabric, which is woven in multiple layers with fabric layers
  • the at least two fabric layers are woven together via a binding weft and / or a binding chain.
  • Such (binding) weft and / or (binding) warp threads of at least one fabric layer can engage or overlap threads of a second fabric layer, which transverse thereto, whereby threads of the second layer are incorporated into the structure of a first adjacent layer both fabric layers are formed as a single fabric.
  • the so-woven connecting points which are also called crossing, linking or node points, can set the individual layers against each other. Multiple layers make a good filter for special frequencies and tones.
  • the at least two fabric layers can be at least selectively linked or woven together to form a single fabric become.
  • the corresponding binding weft and / or the binding chain can engage or spread over both a transverse thread of the further, for example second, fabric layer instead of a transverse thread of its own, for example first or third, fabric layer. It can also be required behind a transverse thread of the first fabric layer together with the transverse thread of the second fabric layer engaged or overlapped. Accordingly, in the point of connection, the transverse thread of the further fabric layer which is involved can be woven into the first fabric layer in a structural manner.
  • a binding thread ie binding weft or binding chain, in particular special threads can be provided, which differ from the other threads of a fabric layer.
  • a particularly expedient embodiment of the device according to the invention is that the first thread is provided as a binding weft or binding chain.
  • the at least first structure-forming thread forming the first fabric layer can be used for interweaving with a second fabric layer.
  • the production of a single fabric, which is woven in multiple layers, can therefore be formed without further linking elements, in particular special linking threads.
  • every third to thirtieth weft thread or warp thread is provided as a binding weft or a binding chain.
  • the uniform distribution of binding shots and / or binding chains over the surface of the fabric can ensure a cohesion of the individual fabric layers in a particularly reliable manner.
  • the spacing of the binding shots and / or binding chains can be distributed uniformly over the tissue.
  • the individual binding threads of the first fabric layer can be formed from the same, in particular the first thread.
  • a preferred structure of the fabric layers of the device according to the invention is that when weaving a thread pitch between weft or warp threads of the second fabric layer between two weft threads or warp threads varies with the distance from the weft or warp thread of the first fabric layer, in particular increases with increasing distance.
  • fabric layer-forming Weft or warp threads the same orientation of another fabric layer may be provided.
  • the distance between directly adjacent weft or warp threads of such a group may vary in amount, in particular increase, the farther the two respective threads are spaced from the next parallel running thread of the first fabric layer.
  • the number of normal weft or warp threads between two adjacent binding threads may vary.
  • a fabric construction is woven with three, four or more fabric layers.
  • the binding weft threads and / or binding warp threads provided for interweaving the individual fabric layers may preferably be provided offset from one another between different fabric layers.
  • a warping of the fabric and a punctual accumulation of tissue material in the region of the nodal points can advantageously be prevented.
  • binding threads of different fabric layers likewise have a uniform spacing from one another.
  • binding threads between a first and a second fabric layer, ie in a first plane can be uniformly spaced from one another but also the binding threads of the first plane, compared to binding threads between the second and a third fabric layer, ie evenly in a second, second plane be distributed.
  • a particularly preferred embodiment of the invention is that a coating or other surface modification is applied.
  • This may be provided on the finished woven textile element or at least a part of the threads.
  • threads in particular weft and / or warp threads, may be provided in the fabric, which already have a coating prior to processing.
  • the surface modification can be produced for example by dip coating, coextrusion or steaming / spraying.
  • Selected areas of the fabric formed according to the invention can also be provided with a coating or other surface modification retrospectively, ie after the formation of the fabric. These areas may extend both to an area of a first fabric layer, extend a selection of fabric layers or all fabric layers of the fabric region. This can be used, for example, advantageously for the formation of media-repellent properties to improve the acoustic properties and / or the optical condition of the tissue.
  • the acoustic component is a component which serves the targeted transmission of sound or sound. It may be part of or associated with an electrical / electronic component, such as a speaker or microphone. Basically, any component is included which is intended for sound transmission, in particular covers on sound transmission channels.
  • a particularly preferred development of the electrical device according to the invention is that this as a phone, in particular a mobile phone, a computer, in particular a portable computer, a tablet, a game console, a TV, a radio, a speaker, a headphone, a Microphone or a clock is formed.
  • Electronic devices both for daily use and for special applications can in many ways have means for emitting and / or recording sound. These can be particularly resistant to external influences, in particular in the area of the acoustic component according to the invention, wherein a particularly low-distortion sound transmission or generation can be provided.
  • a development of the electrical device according to the invention may consist in that the first fabric layer is directed with the larger diameter first thread to an outside of a device housing.
  • the first fabric layer can thus protect the underlying, in particular finely woven, more sensitive fabric layers from damage and / or contamination.
  • the first fabric layer can be formed with a special appearance, whereby the acoustic component can be given a special value. In certain cases, a reverse arrangement may be useful.
  • Fig. 1 shows a plan view of a section of a textile element 5 according to the invention with a multi-layer fabric 10, of which at least the threads of a first fabric layer 20 and a second fabric layer 30 are shown.
  • the threads of a variety are in FIG. 1 partially numbered in the following manner.
  • the caption of the two arrows of the Fig. 1 with "warp” and "weft” denote the two-dimensional orientation of the weft or warp threads.
  • the first fabric layer 20 follows Fig. 1 a larger mesh size than the second fabric layer 30 and is formed in particular by the weft threads 21 and warp threads 22 shown in black.
  • the threads 21, 22 of the first fabric layer 20 have, although only very slightly, a larger thread diameter than the threads 31, 32 of the second fabric layer 30.
  • the weft thread 21 of the first fabric layer 20 is preferably guided alternately in front of and behind the warp thread 22, whereby the first fabric layer 20 is formed.
  • the advancing or behind the warp thread 22 by the weft thread 21 is exemplified by the reference numerals 23 and 24.
  • a second fabric layer 30 which has weft threads 31 and warp threads 32.
  • the warp threads 32 or weft threads 31 of the second fabric layer 30 have a smaller distance from their parallel adjacent threads 21, 22 than in the first fabric layer 20, on.
  • the second fabric layer 30 is after Fig. 1 thus a finer fabric layer opposite the the first coarse-meshed fabric layer 20.
  • the second fabric layer 30 thus has a smaller mesh size.
  • the second fabric layer 30 also has first regions 33, in which the weft thread 31 is guided above the warp thread 32 and second regions 34, in which the weft thread 31 extends behind the warp thread 32.
  • first and second fabric layers 20, 30 can have any desired and different weave patterns.
  • connection points 40 between the first fabric layer 20 and the second fabric layer 30 are shown.
  • the weft thread 21 of the wider-meshed first fabric layer 20 overlaps a warp thread 32a of the second fabric layer 30, whereby a connection between the first and second fabric layer 30 is created.
  • the warp thread 32a is thus incorporated into the structure of the first fabric layer 20 by means of the binding weft yarn 21 of the first fabric layer 20.
  • At least two weft threads 21 of the first fabric layer 20 are decisively provided with the warp threads 32a of the second fabric layer 30 for joining the two fabric layers 20 and 30.
  • weft threads 31 of the second fabric layer 30 may be interwoven with warp threads 22 of the first fabric layer 20 in connecting superimposition.
  • weft threads of different fabric layers and / or warp threads of the fabric layers may be provided for forming the multi-layered fabric.
  • weft threads 21 of the first fabric layer 20 are provided as (binding) weft threads, which regularly overlap warp threads 32a of the second fabric layer 30. Between the binding weft threads 21 of the first fabric layer 20, weft threads 31 of the second fabric layer 30 are arranged in a top view.
  • Fig. 2 schematically shows the weft threads 21, 31 of the first fabric layer 20 and the second fabric layer 30 of a section of the fabric 10 during weaving. How out Fig. 2 As can be seen, the distance between the individual weft threads 31 of the second fabric layer 30 in the vicinity of the (binding) weft threads 21 of the first fabric layer can be less than with increasing distance from the (binding) weft threads 21. By this arrangement, a particularly stable Tissue are formed.
  • Fig. 2 for the weft threads of the first fabric layer 20 and the second fabric layer 30 is shown schematically, can also be found in the provision of binding warp threads application. If not all of the weft threads 21 of the first fabric layer 20 are used in a linked manner, the spacing of the weft threads 31 of the second fabric layer between the weft threads 21 of the first fabric layer 20 can likewise vary in the manner described above. The same may apply to the warp yarns 22 of the first layer 20, warp yarns 22 should be used in conjunction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Woven Fabrics (AREA)

Claims (12)

  1. Appareil électrique avec un composant acoustique servant à transmettre des sons, qui présente un élément textile avec une structure multicouche,
    caractérisé en ce
    que l'élément textile présente un unique tissu (10), qui est tissé de manière multicouche avec au moins une première couche de tissu (20) et une deuxième couche de tissu (30),
    que la première couche de tissu (20) est formée à partir d'au moins un premier fil (21, 22) avec un premier diamètre de fil, et
    que la deuxième couche de tissu (30) est formée à partir d'au moins un deuxième fil (31, 32) avec un deuxième diamètre de fil, lequel est plus petit que le premier diamètre de fil.
  2. Appareil électrique selon la revendication 1,
    caractérisé en ce
    que le premier diamètre de fil est au moins deux fois supérieur, de préférence au moins trois fois supérieur au deuxième diamètre de fil.
  3. Appareil électrique selon la revendication 1 ou 2,
    caractérisé en ce
    que le premier diamètre de fil est compris entre 30 µm et 400 µm, de préférence compris entre 50 µm et 300 µm, et
    que le deuxième diamètre de fil est compris entre 10 µm et 100 µm, de préférence compris entre 15 µm et 50 µm.
  4. Appareil électrique selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce
    que le premier fil (21, 22) et l'au moins deuxième fil (31, 32) sont réalisés sous la forme d'un fil monofilament.
  5. Appareil électrique selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce
    que les au moins deux couches de tissu (20, 30) sont tissées l'une avec l'autre par l'intermédiaire d'une trame de liaison et/ou d'une chaîne de liaison.
  6. Appareil électrique selon la revendication 5,
    caractérisé en ce
    qu'un premier fil (21, 22) est prévu sous la forme d'une trame de liaison ou d'une chaîne de liaison.
  7. Appareil électrique selon la revendication 5 ou 6,
    caractérisé en ce
    qu'un fil (21, 31) de trame ou un fil (22, 32) de chaîne sur trois à un fil (21, 31) de trame ou un fil (22, 32) de chaîne sur trente est prévu en tant qu'une trame de liaison ou en tant qu'une chaîne de liaison.
  8. Appareil électrique selon l'une quelconque des revendications 1 à 7,
    caractérisé en ce
    qu'un nombre de fils allant de 5 à 150 fils/cm, de préférence de 10 à 120 fils/cm, est prévu pour la première couche de tissu (20) et un nombre de fils allant de 40 à 400 fils/cm, de préférence 50 à 380 fils/cm est prévu pour la deuxième couche de tissu (30).
  9. Appareil électrique selon l'une quelconque des revendications 1 à 8,
    caractérisé en ce
    qu'une structure de tissu est tissée avec trois, quatre couches de tissu (20, 30) ou plus.
  10. Appareil électrique selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce
    qu'un revêtement ou une autre modification de surface est appliqué(e).
  11. Appareil électrique selon l'une quelconque des revendications 1 à 10,
    caractérisé en ce
    que celui-ci est réalisé sous la forme d'un téléphone, en particulier d'un téléphone mobile, d'un ordinateur, en particulier d'un ordinateur portable, d'une tablette, d'une console de jeux, d'un téléviseur, d'un poste de radio, d'un haut-parleur, d'écouteurs, d'un microphone ou d'une montre.
  12. Appareil électrique selon l'une quelconque des revendications 1 à 11,
    caractérisé en ce
    que la première couche de tissu (20) avec les premiers fils (21, 22) de plus grand diamètre est dirigée vers un côté extérieur d'un boîtier de l'appareil.
EP16160356.8A 2016-03-15 2016-03-15 Dispositive électrique avec un composant acoustique et un élement textile Active EP3219837B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16160356.8A EP3219837B1 (fr) 2016-03-15 2016-03-15 Dispositive électrique avec un composant acoustique et un élement textile
PCT/EP2017/051979 WO2017157560A1 (fr) 2016-03-15 2017-01-31 Appareil électrique doté d'un composant acoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16160356.8A EP3219837B1 (fr) 2016-03-15 2016-03-15 Dispositive électrique avec un composant acoustique et un élement textile

Publications (2)

Publication Number Publication Date
EP3219837A1 EP3219837A1 (fr) 2017-09-20
EP3219837B1 true EP3219837B1 (fr) 2019-08-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16160356.8A Active EP3219837B1 (fr) 2016-03-15 2016-03-15 Dispositive électrique avec un composant acoustique et un élement textile

Country Status (2)

Country Link
EP (1) EP3219837B1 (fr)
WO (1) WO2017157560A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10499142B1 (en) 2018-05-14 2019-12-03 Microsoft Technology Licensing, Llc Self-retaining device assemblies
EP4392604A1 (fr) 2021-08-27 2024-07-03 Groz-Beckert KG Peigne et procédé de fabrication d'un peigne
DE102021122217A1 (de) 2021-08-27 2023-03-02 Groz-Beckert Kommanditgesellschaft Webblatt und Verfahren zur Herstellung eines Webblatts
DE102021122220A1 (de) 2021-08-27 2023-03-02 Groz-Beckert Kommanditgesellschaft Webblatt und Verfahren zur Herstellung eines Webblatts

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Publication number Priority date Publication date Assignee Title
JP3094999B2 (ja) 1998-10-15 2000-10-03 日本電気株式会社 オーディオ・ビデオ同期再生装置
DE10345575C5 (de) * 2003-09-29 2011-08-11 Härle, Hans A., 73441 Vorrichtung zur akustischen und thermischen Abschirmung
JP4708134B2 (ja) 2005-09-14 2011-06-22 日東電工株式会社 通音膜、通音膜付き電子部品及びその電子部品を実装した回路基板の製造方法
DE102005057024B3 (de) * 2005-11-30 2006-12-07 Melicon Gmbh Gewebelaminat als Auskleidung zur Schallabsorption von Ein- und Auslaßschalldämpfern und Herstellungsverfahren einer akustischen Isolationseinheit
EP2256722A1 (fr) * 2009-05-29 2010-12-01 Akusik & Innovation GmbH Matériau à isolation acoustique ou absorbant le bruit
DE102009044740B4 (de) * 2009-12-02 2019-02-21 Haver & Boecker Ohg Drahtgewebe
IT1399905B1 (it) 2010-04-21 2013-05-09 Saati Spa Struttura tessile laminare, particolarmente idonea per componenti acustici.
DE202013003527U1 (de) * 2013-04-15 2013-04-23 Sefar Ag Filtermedium

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Title
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Also Published As

Publication number Publication date
WO2017157560A1 (fr) 2017-09-21
EP3219837A1 (fr) 2017-09-20

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