EP3762527A1 - Verfahren zur herstellung eines flexiblen flächengebildes und flexibles flächengebilde - Google Patents
Verfahren zur herstellung eines flexiblen flächengebildes und flexibles flächengebildeInfo
- Publication number
- EP3762527A1 EP3762527A1 EP19714369.6A EP19714369A EP3762527A1 EP 3762527 A1 EP3762527 A1 EP 3762527A1 EP 19714369 A EP19714369 A EP 19714369A EP 3762527 A1 EP3762527 A1 EP 3762527A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrically conductive
- structural elements
- flexible sheet
- discrete
- flexible
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 39
- 239000004744 fabric Substances 0.000 claims description 28
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000004753 textile Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 4
- 238000009940 knitting Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 239000012811 non-conductive material Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
- D04B21/165—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads with yarns stitched through one or more layers or tows, e.g. stitch-bonded fabrics
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/18—Outdoor fabrics, e.g. tents, tarpaulins
Definitions
- the invention relates to a method for producing a flexibleuitenge- image, with electrically conductive structures and a flexible sheet.
- Such surface elements are commonly used to provide protection against burglary, theft or vandalism.
- electrically conductive structures in the flexible fabric form the safety structures with which protection against unauthorized interference is achieved.
- the security structures are designed such that the functionality thus achieved as a cut-resistant structure ge an effective mechanical protection causes puncture of the surface element with objects such as knives or similar sharp-edged objects.
- the cut-resistant structures are designed so that at most only a local piercing into the surface element is possible, but not a large-scale separation of the surface element.
- the security structures formed by the threads form a continuous sensor structure extending over the entire surface of the planar element such that an interruption of a thread of the security structure caused by external influences changes an electrical parameter which is detected by a measuring device.
- the invention has for its object to provide a flexible sheet of the initially mentioned type, which on the one hand have high functionality and on the other hand can be efficiently produced.
- the invention has for its object to provide a method by means of which fabrics with high, reliable protection function can be produced at the same time low weight.
- the invention relates to a method for producing a flexibleuitenge image with electrically conductive structure.
- the method comprises the following process steps:
- connection Producing at least one electrically conductive connection between at least two discrete electrically conductive structural elements.
- the connection generates an electrically conductive connection that extends at least in sections.
- the invention relates to a corresponding flexible sheet.
- An important field of application of the flexible sheet produced by the method according to the invention is the wrapping of articles such as goods to be transported, suitcases, bags and the like.
- the flexible sheet can form a tarpaulin.
- the electrically conductive structures thereby form security structures which prevent unauthorized access to the items packed with the envelope.
- the security structures can, in particular, form sensor structures with which a local damage, in particular a puncture of the wrapper, can be detected so that an alarm message can be generated in such a manipulative intervention.
- the safety structure formed with the electrically conductive structures can also assume the function of a sectional solid structure, that is to say a mechanical protection against a penetration of the flexible fabric with pointed objects as done with knives and the like.
- a prerequisite for such a protective function is that the electrically conductive structure and thus the security structure structure extends as closely as possible over the entire surface of the flexible sheet.
- the electrically conductive structure as a sensor structure, it is furthermore essential that continuous electrically conductive structures are present in the flexible area structure, so that the electrically conductive structures form sensor elements which have the largest possible partial area or preferably a continuous structure the entire surface of the flexible sheet training, so that a complete, full-surface monitoring of the flexible WING chengesentes is made possible.
- the flexible sheet is produced in a two-stage process.
- the flexible sheet is produced with the discrete electrically conductive structural elements, wherein the flexible sheet, unlike the discrete electrically conductive structure, consists of an electrically non-conductive material.
- electrically conductive structures are formed between defined discrete electrically conductive connections, so that continuous electrically conductive structures are thereby produced at least in sections. These then form the security structure.
- a significant advantage of the method according to the invention is that a high-precision and reproducible production of continuous electrically conductive structures is made possible. If the electrically conductive structures are used as sensor structures, it is advantageous that exactly reproducible sensor properties can be realized with the electrically conductive structures produced in this way.
- the discrete electrically conductive structural elements are formed by electrically conductive threads.
- the flexible fabric may generally be a woven, knitted, knitted or non-woven fabric.
- the flexible sheet may also be a film or a paper, wherein even then discrete electrically conductive structural elements in the form of Kay can be incorporated into the flexible sheet.
- an essential aspect of the invention is that the discrete electrically conductive structural elements are very easily incorporated into the flexible planar structure, wherein the introduction of the discrete electrically conductive structural elements may well be subject to tolerances, that is, he has not received increased accuracy requirements.
- the first method step it is also possible for the first method step to be followed by further steps for the treatment of the flexible sheet, such as thermal fixing processes, which lead to warping or shrinking of the flexible sheet and thus to a change in the spacings of the discrete, electrically conductive structural elements.
- tolerance-related fluctuations can be easily compensated for by the production of the electrically conductive compounds adapted thereto in the second method step.
- continuous electrically conductive structures can be produced accurately and reproducibly.
- Another significant advantage of the invention is that by the incorporation of electrically conductive compounds in a separate Ver process step in a simple way an application-specific adaptation of the continuous electrically conductive structures can be realized. For example, by suitable variations of the electrically conductive connection, different circuit methods such as series or parallel circuits can be realized.
- a multiple arrangement of electrically conductive connections can advantageously be formed, as a result of which a plurality of discrete electrically conductive structural elements are combined to form a continuous, electrically conductive structure.
- the discrete electrically conductive structural elements thus provide a large-area grid of conductive elements which only have to be interconnected locally at suitable locations by the electrically conductive connection in order to generate the continuous electrically conductive structures. This leads to a rational , easy to monitor production process.
- individual flexible fabrics are assembled from a sheet-like base material, thereby providing at least one flexible sheet with an array of discrete electrically conductive structural elements.
- at least one flexible sheet is produced by producing at least ei ner electrically conductive connection an at least partially Runaway existing electrically conductive structure.
- the base material can be produced over a large area, the manufacturing effort for this purpose is particularly low.
- the base material can form a long, auffollbare material web.
- prefabricated flexible fabrics with application-specific predetermined dimensions are produced from the sheet-like base material.
- the production of individual flexible fabrics can be done by cutting or punching the base material or the like. This makes it possible to fabricate flexible fabrics in different dimensions and geometries very simply, quickly and efficiently. After assembly, in particular the cutting of the base material, the flexible fabric thus produced can be aftertreated, in particular thermo-fixed.
- the sheet-like base material on at least one side closed electrically conductive structures ren.
- the flexible sheet discrete electrically conductive structural elements are formed.
- the electrically conductive connection is formed by mechanically interconnecting two discrete electrically conductive structural elements by means of an electrically non-conductive connecting element.
- two adjacent discrete electrically conductive structural elements extend in close proximity to one another in the region in which the electrically conductive connection is to be formed.
- These discrete electrically conductive structural elements which are in particular formed by threads, can then be guided against one another by suitable tensile forces which are exerted with the connecting element and thus electrically connected.
- a non-electrically conductive thread can be used, which is machined, in particular with a textile machine, is incorporated into the flexible fabric.
- the electrically conductive connection is formed by two discrete means of an electrically conductive contact element electrically conductive structural elements are electrically conductively connected to each other.
- the contact element is formed by at least one electrically leitfähi gene thread, which is incorporated in the flexible sheet.
- This embodiment is particularly suitable when the discrete electrically conductive structural elements themselves are formed from threads, which are then connected to each other by further electrical threads, for which purpose textile machines can be used with which weaving, knitting or knitting processes are performed.
- the contact element may be applied to a surface of the flexible sheet structure.
- the discrete electrically conductive Strukturele elements are exposed on the surface of the flexible sheet, to which the respective contact elements are applied.
- the contact element is applied in a stamping process, a printing process Be or Aufsprührea on the surface of the flexible WING chengesentes.
- Figure 1 Example of a base material for forming a flexibleuiten- chengetruckes with an array of discrete electrically conductive
- FIG. 2 Made of the base material flexible fabric with connecting via electrically conductive connections discrete electrically conductive structural elements.
- FIG. 3 shows another example of a flexible sheet with discrete electrically conductive structural elements.
- Figure 4 Flexible sheet according to Figure 3 with discrete electrically conductive elements capable conductive electrically connected Ver connections.
- FIG. 5a shows another embodiment of a base material
- Figure 5b Made of the base material flexible fabric with incorporated electrically conductive connections
- FIG. 6a further exemplary embodiment of a base material
- Figure 6b Made of the base material flexible fabric with incorporated electrically conductive connections
- Figure 1 shows schematically a base material 1, which is in the form of a long Rahn.
- This base material 1 can in principle be formed from a paper or a foil.
- the base material 1 forms a flexible surface, for example a woven, knitted or crocheted fabric or else a fleece.
- base material 1 is a multiple arrangement of discrete electrically conductive structure elements 2, 2a, 2b incorporated.
- the discrete electrically conductive structural elements 2, 2a, 2b are formed by threads which are incorporated into the base material 1 during the production process. As can be seen from FIG.
- the discrete electrically conductive structural elements 2, 2 a, 2 b are sinusoidal, wherein neighboring discrete electrically conductive structural elements 2, 2 a, 2 b do not touch one another, but close to each other in sections, thus forming an open grid-shaped structure.
- the electrically conductive threads forming the discrete electrically conductive structural elements 2, 2a, 2b preferably consist of a metallic material, in particular stainless steel, a plastic of a rock / basalt fiber and / or a glass fiber.
- individual flexible fabrics 3 are made of the base material 1 application spezzi fish. The assembly can be done for example by cutting the base material 1.
- the flexible sheet 3 shown in Figure 2 is rectangular. Naturally, other geometries of the flexible sheet 3 are possible.
- a further separate method step adjacent discrete electrically conductive structural elements 2a, 2b at the upper and lower edges at locations where they are located at a small distance, connected by electrically conductive connections 4, so that a continuous electrically conductive structure is formed by the conductive connection ,
- an arrangement of electrically conductive connections 4 is provided such that a continuous electrically conductive structure is generated which extends over the entire surface of the flexible sheet 3.
- Such a continuous electrically conductive structure is particularly advantageous as a sensor structure that is suitable for detecting a puncture of the flexible sheet 3.
- the discrete electrically conductive structural elements 2, 2a, 2b form such a mesh engma narrow that a collision of a sharp object such as a knife with certainty leads to a breaking of the electrically conductive structure, which of the sensor structure and the units connected thereto (hineu - tet with the terminals + and -) is defined safely.
- the flexiblemonynge 3 may then form in particular a tarp, are covered with the goods to be protected Gü.
- the embodiment according to FIG. 2 can be modified in such a way that a plurality of continuous electrically conductive structures are formed by the electrically conductive connections 4, which are insulated from one another.
- the electrically conductive connections 4 can be designed as electrically non-conductive connection elements which mechanically connect two adjacent discrete electrically conductive structure elements 2a, 2b, so that a conductive connection between the discrete electrically conductive structure elements 2a, 2b is created by this contact.
- electrically non-conductive filaments can be incorporated by means of which the discrete electrically conductive structural elements 2, 2a, 2b are connected to one another at a punctiform contact point.
- the electrically conductive connections 4 can be formed by means of an electrically conductive contact element, two discrete electrically conductive structural elements 2a, 2b are electrically conductively connected to each other ver.
- the contact elements may be formed by electrically conductive threads, which are incorporated into the flexible sheet 3 by means of a suitable textile machine. In the event that the discrete electrically conductive structural elements 2a, 2b are exposed on a surface of the flexible sheet 3, contact elements can also be applied to this surface as electrically conductive connections 4.
- FIG. 3 shows a further exemplary embodiment of a flexible sheet 3.
- the flexible sheet 3 can again be obtained by packaging it from a base material 1.
- the flexible sheet 3 can also be produced directly in this form.
- a plurality of discrete electrically conductive structural elements 2, 2a, 2b extending parallel to each other and extending along a straight line are provided in the flexible fabric 3.
- the material properties of the flexible sheet 3 and of the discrete, electrically conductive structural element 2, 2 a, 2 b can be formed analogously to the embodiment of FIGS. 1 and 2.
- FIG. 2 shows the flexible sheet 3 after adjacent discrete electrically conductive structural elements 2, 2 a, 2 b have been connected by an electrically conductive connection 4 in a further procedural step.
- the electrically conductive connections 4 may be formed corresponding to the electrically conductive connections 4 of FIGS.
- the electrically conductive connections 4 are placed so that a continuous electrically conductive connection 4 is produced from the discrete electrically conductive structural elements 2, 2 a, 2 b, which extends over the entire surface of the flexible sheet 3.
- a continuous electrically conductive connection 4 is produced from the discrete electrically conductive structural elements 2, 2 a, 2 b, which extends over the entire surface of the flexible sheet 3.
- other configurations of continuous electrically conductive connections 4 are also possible in this case.
- Figure 5a shows another embodiment of a base material 1, which is formed in the form of a textile surface.
- first electrically conductive structural elements 5 a and second electrically conductive structural elements 5 b are incorporated in the form of electrically conductive threads in a periodic sequence, which extend over the entire length of the base material 1.
- the electrically conductive structural elements 5 a, 5 b cross several times, the electrically conductive structural elements 5 a, 5 b being electrically contacted at these crossing points, whereby primary electrically conductive connections 4 a are obtained between the electrically conductive structural elements 5 a, 5 b.
- adjacent pairs of electrically conductive structural elements 5a, 5b are not electrically contacted with each other.
- the base material 1 is cut into individual flexible fabrics 3.
- a flexible fabric 3 with different catches Fi, F 2 , F 3 can be produced, as shown schematically in FIG. 5 a.
- Figure 5b shows a cut from the base material 1 according to Figure 5a flexible fabric 3.
- the base material 1 along a cut line at the catches Fi is cut.
- subsequent electrically conductive connections 4 b are incorporated between adjacent electrically conductive structural elements 5 a, 5 b in the region of the cut line at Fi, whereby adjacent electrically conductive structural elements 5 a and 5 b form a sectionally continuous electrically conductive structure Sensor structure can be used.
- Figure 6a shows a base material 1, which represents a development of Grundma- terials 1 according to Figure 5a to the effect that at the right end of the base material 1 adjacent pairs of electrically conductive structural elements 5 a, 5 b by primary electrically conductive compounds 4 a 'electrically conductive ver prevented are.
- the flexible sheet material 3 '(at L> L 2 ) already has a partially throughgoing electrically conductive structure with the adjacent electrically conductive structural elements 5 a and 5 b connected via the primary electrically conductive connections 4 a', which are used, for example, as a sensor structure can be.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Woven Fabrics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018110259.3A DE102018110259A1 (de) | 2018-04-27 | 2018-04-27 | Verfahren zur Herstellung eines flexiblen Flächengebildes |
PCT/EP2019/057485 WO2019206543A1 (de) | 2018-04-27 | 2019-03-26 | Verfahren zur herstellung eines flexiblen flächengebildes und flexibles flächengebilde |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3762527A1 true EP3762527A1 (de) | 2021-01-13 |
Family
ID=65991790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19714369.6A Pending EP3762527A1 (de) | 2018-04-27 | 2019-03-26 | Verfahren zur herstellung eines flexiblen flächengebildes und flexibles flächengebilde |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3762527A1 (de) |
DE (1) | DE102018110259A1 (de) |
WO (1) | WO2019206543A1 (de) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU813835A1 (ru) * | 1976-04-19 | 1981-03-15 | Предприятие П/Я А-7141 | Способ изготовлени коммутационныхМАТРиц |
US5385036A (en) * | 1993-05-24 | 1995-01-31 | Guilford Mills, Inc. | Warp knitted textile spacer fabric, method of producing same, and products produced therefrom |
DE10342285B4 (de) * | 2003-07-07 | 2005-08-11 | Textilforschungsinstitut Thüringen-Vogtland e.V. | Verfahren zur Herstellung von textilen Flächen sowie textile Flächengebilde mit Heizleitern |
DE102004005017A1 (de) * | 2004-01-30 | 2005-09-01 | ASTRA Gesellschaft für Asset Management mbH & Co. KG | Textilmaterial mit Antennenkomponenten eines HF-Transponders |
US20090174325A1 (en) * | 2006-06-29 | 2009-07-09 | Koninklijke Philips Electronics N.V. | Pixelated electroluminescent textile |
WO2011001323A1 (en) * | 2009-06-29 | 2011-01-06 | Koninklijke Philips Electronics N.V. | Fibers including electronic elements |
DE102014115437B4 (de) * | 2014-10-23 | 2016-06-02 | Go11Save Ag | Verfahren zur Herstellung von Sicherheitsstrukturen bei einem Flächenelement und Flächenelement |
DE102015103533B4 (de) * | 2015-03-11 | 2017-06-01 | Go11Save Ag | Verfahren zur Herstellung von Sicherheitsstrukturen bei einem Flächenelement und Flächenelement |
-
2018
- 2018-04-27 DE DE102018110259.3A patent/DE102018110259A1/de active Pending
-
2019
- 2019-03-26 WO PCT/EP2019/057485 patent/WO2019206543A1/de unknown
- 2019-03-26 EP EP19714369.6A patent/EP3762527A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102018110259A1 (de) | 2019-10-31 |
WO2019206543A1 (de) | 2019-10-31 |
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