EP2206875A1 - Insect protection fabric - Google Patents
Insect protection fabric Download PDFInfo
- Publication number
- EP2206875A1 EP2206875A1 EP09150333A EP09150333A EP2206875A1 EP 2206875 A1 EP2206875 A1 EP 2206875A1 EP 09150333 A EP09150333 A EP 09150333A EP 09150333 A EP09150333 A EP 09150333A EP 2206875 A1 EP2206875 A1 EP 2206875A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- threads
- insect protection
- fabric
- protection device
- warp
- 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.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 51
- 241000238631 Hexapoda Species 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000006223 plastic coating Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D19/00—Gauze or leno-woven fabrics
-
- 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
- D04H3/002—Inorganic yarns or filaments
- D04H3/004—Glass yarns or filaments
-
- 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
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
- D04H3/011—Polyesters
-
- 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
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
- D04H3/045—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles for net manufacturing
-
- 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
- D04H3/10—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 yarns or filaments made mechanically
- D04H3/115—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 yarns or filaments made mechanically by applying or inserting filamentary binding elements
-
- 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
- D04H3/14—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 yarns or filaments produced by welding
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
Definitions
- the invention relates to an insect protection device for shielding openings such as windows or doors against the ingress of insects with a mountable in front of the opening holder and a held insect repellent fabric, which has lattice-like associated warp threads and weft threads.
- the invention further relates to a method for producing an insect protection fabric for such an insect protection device.
- the position of the threads thus changes from one stitch to the other from the right to the left side or top to the bottom of the fabric.
- the disadvantage here is the low resistance to displacement with larger grid openings.
- the mutual normal force of the crossed threads is achieved only by the bending radii of the threads, so that with more open weaves or thinner threads, this force is always lower. This also complicates the handling of the fabric in the manufacturing process.
- the present invention seeks to further improve the known in the art insect protection devices and provide an improved insect protection fabric, which is inexpensive to produce, has a high dimensional stability and strength for the purpose and optically inconspicuous and permeable to air in the installed state.
- the invention is based on the idea of achieving the different and sometimes conflicting requirements by means of a special leno-weave fabric. Accordingly, the invention proposes that the weft threads and the warp threads rest on one side and are connected to each other by binding threads. By this layer structure with points of contact only on a consistent thread (half) page, a very accurate tissue with accurate thread layer of warp and weft can be displayed even at low thread thickness.
- the binder thread achieves high stability and, in particular, resistance to shifting in comparison to plain weave, which also facilitates further processing in subsequent production steps or even makes it possible in the first place.
- the fabric deforms only at higher tensile stresses compared to plain weave.
- the tear resistance increases significantly and it is achieved a significantly improved force-strain behavior.
- special effect areas may also comprise individual plain weave warp threads without, however, significantly altering the overall structure of the fabric.
- the holder is preferably formed by a profile spanning the insect protection fabric frame from profile sections.
- the holder by a the formed as a fabric web insect protection fabric laterally receiving guide is formed.
- the unilateral Hauptfadenvernchung is thereby made possible that the weft threads and the warp threads each rest as a layer on each other, so that a fabric side is formed by the position of the weft threads and the other fabric side by the position of the warp threads.
- the warp threads and the weft threads it is possible for the warp threads and the weft threads to extend essentially in a straight line in separate thread planes and lie against one another only at their mutually facing inner sides or inner half sides in the intersection points, while the outer sides facing away from one another are looped around by the binding threads.
- the mutual normal force of the other two largely bend-free thread systems is effected, so that a good dimensional stability is given regardless of the mesh size.
- the arrangement of the warp and weft threads in separate planes or layers also makes it possible to achieve high strength at low thread thickness.
- the binding threads have a preferably smaller by about half the diameter than the warp and weft threads whose diameter can be reduced to a range of less than 0.2 mm, preferably about 0.1 mm.
- a further advantageous embodiment provides that the fabric is solidified by cohesive connection means, in particular adhesives or welds in the region of the intersections, so that a sufficient strength is achieved even with open-mesh construction.
- cohesive connection means in particular adhesives or welds in the region of the intersections.
- the binding threads offer advantages in two respects, namely on the one hand a pre-consolidation of the fabric for the subsequent bonding process and on the other hand a collecting structure for the adhesive, which then preferably accumulates in the crossing region.
- warp threads and weft threads are designed as monofilaments having a preferably round cross section.
- a higher precision in the thread layer and dimension is achieved compared to multifilaments.
- Round threads are easy to make and process because twisting in the longitudinal axis does not play any roles.
- the warp threads and weft threads are made of plastic, in particular of a polyester material such as PET.
- Such threads are inexpensive to manufacture and also advantageous in that they are very tear-resistant and dimensionally stable in terms of temperature and humidity.
- the warp threads and weft threads limit tissue openings, so that a good visibility and air permeability is ensured.
- the tissue openings have a clear width of 0.3 to 3 mm, preferably 0.8 to 1.2 mm in both directions. It should be noted that with thinner threads and the inside width can be reduced accordingly without the tissue is visually striking.
- the fabric is designed in particular for producing strip effects or local reinforcements with varying thread strengths and / or thread densities and / or colors.
- an improvement can also be achieved by fabric or thread coatings, for example, an antibacterial effect by silver coating.
- the object mentioned above is achieved in that the weft threads are placed on one side of the warp threads and connected by binding threads with the warp threads, so that the warp threads and weft threads are superimposed in each case a separate thread plane and the binding threads in Halbcarderitati above the weft threads and below the warp threads are woven interlacing.
- the weft threads are placed on one side of the warp threads and connected by binding threads with the warp threads, so that the warp threads and weft threads are superimposed in each case a separate thread plane and the binding threads in Halbcarderitati above the weft threads and below the warp threads are woven interlacing.
- FIG. 1 illustrated insect protection device can be outside hook in front of a building window to prevent the ingress of insects, but without significantly affecting the view to the outside and the passage of air.
- the device comprises a clamping frame 10 composed at right angles of profile legs, a specially woven insect protection fabric 12 spanned therein and in the corner areas Details of the mounting principle emerge from the DE 197 49 517 , which is hereby incorporated by reference.
- the clamping frame 10 has a Kedernut for clamping the fabric 12 and can be connected by a peripheral seal (not shown) in the suspended state outside on a window frame of the window insect-tight, with a simple disassembly, for example, when not in use over the winter time is possible.
- Correspondingly adapted frame variants can also be used for other building openings, for example in front of doors or light shafts.
- Other uses arise from roller blind structures in which the insect protection fabric 12 is held in the form of a roll-up fabric web in lateral guide rails. For such an execution is on the DE 19639478 Referenced. It is also conceivable to hang the insect protection fabric in lamellar tracks on a holder, for example in front of exterior doors. As a particularly simple holder is also an adhesive or Velcro tape conceivable.
- the insect protection fabric 12 is formed of three thread systems.
- the warp threads 16 form the underside of the fabric, while the weft threads 18 on one side or uniformly rest on one half side on the warp threads 16 and thus form the upper side of the fabric.
- As auxiliary threads for the fabric construction binding threads 20 are provided, which connect the warp and weft threads against each other.
- the fabric 12 is based on a type of leno weave, wherein the warp threads 16 as a carrier chain in a lower thread plane and the weft threads 18 in an upper thread plane are substantially rectilinear and are wrapped on their outer sides facing away from the binding threads 20. Depending on the thread tension of the binding threads 20 and bending stiffness of the main threads results in a slight waviness in the warp and weft 16, 18, which is less than the thread thickness.
- the warp threads 16 and weft threads 18 thus lie with their mutually facing inner sides or inner half sides at intersection points 22 to each other, wherein the friction under the tensile force of the binding threads 20, a high sliding strength is already achieved without additional connecting means.
- an adhesive can be applied and cured, for example, by spraying, dipping or foam impregnation. It is also conceivable to merge or weld the intersections 22.
- thread systems with different melting temperatures could be used so that the main threads 16, 18 merge while the binding threads 20 do not merge.
- multicomponent yarns could also be used in which meltable threads or thermoplastics with different melting temperatures are already present in the yarn.
- the binding threads 20 are significantly thinner than the main threads 16, 18, so that a deformation largely acts only on the binding threads and the main threads remain in their rectangular lattice structure.
- the binder thread diameter is less than 0.7 times, preferably about 0.5 times, the major thread diameter. Typical diameter values are 0.1 mm for the warp and weft threads 16, 18 and 0.05 mm for the binding threads 20.
- the tissue openings 24 should have a clear width of about 0 , 8 to 1.2 mm.
- the fabric 12 consists of monofilament threads 16, 18, 20, with a round cross-section. It is also conceivable to use square cross sections, for example to influence the reflection properties.
- plastics from the family of polyesters, in particular PET (polyethylene terephthalate) offers.
- the thread material should have a sufficient UV stability, for example by special stabilizers in the ground substance.
- the material is dark or black colored, for example by addition of carbon black or pigment, so that the UV light is already absorbed in the outer thread layers and does not lead to a destruction of the molecule in the volume.
- a black color as well as a matte surface also leads to a reduction of disturbing reflections for the viewer.
- the Fig. 3 to 5 illustrate the principal thread movement in the manufacture of the fabric 12 Fig. 3 the position of the warp yarns 16 during weaving forms the lower shed.
- a weft thread 18 is placed with its lower half side across the warp threads 16 and then fixed in the region of the crossing points by the binding threads 20.
- the next weft insertion ( Fig. 4 ), in which case the looping with the binding thread 20 takes place opposite to the previous weft thread 18.
- This process can be done according to Fig. 5 continue over the length of the warp threads 16, wherein the weft threads 18 are held at a mutual distance to keep free the mesh openings.
- the different thread systems consist of different materials, and that certain areas of tissue are emphasized by varying the thread thicknesses or distances or by choosing varying colors. Not only does this have to serve for optical highlighting, but it can also provide reinforcement in high stress areas. This can be easily accomplished by the layer structure of the fabric in the described half-turn connection, especially when entering the weft threads.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catching Or Destruction (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
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Abstract
Description
Die Erfindung betrifft eine Insektenschutzvorrichtung zum Abschirmen von Öffnungen wie Fenster oder Türen gegen Eindringen von Insekten mit einer vor der Öffnung montierbaren Halterung und einem daran gehaltenen Insektenschutzgewebe, welches miteinander gitterartig verbundene Kettfäden und Schussfäden aufweist. Die Erfindung betrifft weiter ein Verfahren zur Herstellung eines Insektenschutzgewebes für eine solche Insektenschutzvorrichtung.The invention relates to an insect protection device for shielding openings such as windows or doors against the ingress of insects with a mountable in front of the opening holder and a held insect repellent fabric, which has lattice-like associated warp threads and weft threads. The invention further relates to a method for producing an insect protection fabric for such an insect protection device.
Bei solchen Insektenschutzvorrichtungen soll eine möglichst unauffällige Optik (gute Durchsicht) und ein hoher Luftdurchsatz erhalten bleiben, wobei zugleich die Gewebeöffnungen so klein sein müssen, dass auch Kleinstinsekten wie Mücken nicht hindurchschlüpfen können. Zu diesem Zweck hat sich bisher am Markt ein kunststoffbeschichtetes Fiberglasgewebe in Leinwandbindung durchgesetzt. Dabei sorgt ein Fiberglasfaden für die Stabilität und Reißfestigkeit des Gewebes, während eine Kunststoffbeschichtung den UV- und Witterungsschutz, die Farbgebung und die Kreuzpunktverschweißung des Gewebes ermöglichen soll. Durch diesen Aufbau kann ein Fadendurchmesser von ca. 0,3mm jedoch kaum unterschritten werden. Bei kleinerem Durchmesser wird die Funktion der Kunststoffbeschichtung beeinträchtigt oder der Fiberglasfaden zu schwach. Aufgrund der Leinwandbindung gehen die Schussfäden abwechselnd über und unter den einzelnen Kettfäden hindurch. Die Lage der Fäden wechselt also von einer Masche zur anderen von der rechten zur linken Seite bzw. Ober- zur Unterseite des Gewebes. Nachteilig hierbei ist die geringe Verschiebefestigkeit bei größeren Gitteröffnungen. Bei der Leinwandbindung wird die gegenseitige Normalkraft der gekreuzten Fäden nur durch die Biegeradien der Fäden erreicht, so dass bei offeneren Geweben oder dünneren Fäden diese Kraft immer geringer wird. Dies erschwert auch das Handling des Gewebes im Herstellungsprozess.In such insect protection devices as inconspicuous optics (good visibility) and a high air flow rate should be maintained, at the same time the tissue openings must be so small that even small insects such as mosquitoes can not slip through. For this purpose, a plastic-coated fiberglass fabric in plain weave has prevailed on the market so far. A fiberglass thread ensures the stability and tear resistance of the fabric, while a plastic coating should enable the UV and weather protection, the coloring and the cross-point welding of the fabric. By this structure, a thread diameter of about 0.3 mm, however, can hardly be undershot. With a smaller diameter, the Function of the plastic coating impaired or the fiberglass thread too weak. Due to the plain weave, the weft threads pass alternately above and below the individual warp threads. The position of the threads thus changes from one stitch to the other from the right to the left side or top to the bottom of the fabric. The disadvantage here is the low resistance to displacement with larger grid openings. In the plain weave, the mutual normal force of the crossed threads is achieved only by the bending radii of the threads, so that with more open weaves or thinner threads, this force is always lower. This also complicates the handling of the fabric in the manufacturing process.
Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, die im Stand der Technik bekannten Insektenschutzvorrichtungen weiter zu verbessern und hierfür ein verbessertes Insektenschutzgewebe anzugeben, welches kostengünstig herstellbar ist, eine hohe Dimensionsstabilität und Festigkeit für den Einsatzzweck besitzt und optisch möglichst unauffällig sowie luftdurchlässig im Einbauzustand ist.Proceeding from this, the present invention seeks to further improve the known in the art insect protection devices and provide an improved insect protection fabric, which is inexpensive to produce, has a high dimensional stability and strength for the purpose and optically inconspicuous and permeable to air in the installed state.
Zur Lösung dieser Aufgabe wird die im Patentanspruch 1 bzw. 14 angegebene Merkmalskombination vorgeschlagen. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüchen. Die Erfindung geht von dem Gedanken aus, die verschiedenen und teils konträren Anforderungen durch ein besonderes dreherbindiges Gewebe zu erreichen. Dementsprechend wird erfindungsgemäß vorgeschlagen, dass die Schussfäden und die Kettfäden einseitig aufeinander aufliegen und durch Bindefäden miteinander verbunden sind. Durch diesen Lagenaufbau mit Berührungsstellen nur an einer gleich bleibenden Faden(halb)seite kann ein sehr exaktes Gewebe mit genauer Fadenlage von Kette und Schuss auch bei geringer Fadenstärke dargestellt werden. Durch den Bindefaden wird eine hohe Stabilität und insbesondere Verschiebefestigkeit im Vergleich zur Leinwandbindung erreicht, wodurch auch die weiterverarbeitung in nachfolgenden Fertigungsschritten erleichtert bzw. überhaupt erst ermöglicht wird. Aufgrund der gestreckten Kett- und Schussfadenlagen verformt sich das Gewebe erst bei höheren Zugbeanspruchungen im Vergleich zur Leinwandbindung. Die Reißfestigkeit steigt damit deutlich an und es wird ein erheblich verbessertes Kraft-Dehnungsverhalten erzielt. Ggf. können spezielle Effektbereiche auch einzelne Kettfäden in Leinwandbindung aufweisen, ohne die Gesamtstruktur des Gewebes jedoch wesentlich zu verändern.To solve this problem, the combination of features specified in
In vorteilhafter Ausgestaltung ist die Halterung durch einen das Insektenschutzgewebe aufspannenden Rahmen vorzugsweise aus Profilabschnitten gebildet. Alternativ ist es auch möglich, dass die Halterung durch eine das als Gewebebahn ausgebildete Insektenschutzgewebe seitlich aufnehmende Führung gebildet ist.In an advantageous embodiment, the holder is preferably formed by a profile spanning the insect protection fabric frame from profile sections. Alternatively, it is also possible that the holder by a the formed as a fabric web insect protection fabric laterally receiving guide is formed.
Die einseitige Hauptfadenverkreuzung wird dadurch ermöglicht, dass die Schussfäden und die Kettfäden als jeweils eine Lage aufeinander aufliegen, so dass eine Gewebeseite durch die Lage der Schussfäden und die andere Gewebeseite durch die Lage der Kettfäden gebildet wird. In dieser Bindung ist es möglich, dass die Kettfäden und die Schussfäden im Wesentlichen geradlinig in gesonderten Fadenebenen verlaufen und nur an ihren einander zugewandten Innenseiten bzw. inneren Halbseiten in den Kreuzungsstellen aufeinander liegen, während die voneinander abgewandten Außenseiten von den Bindefäden umschlungen sind. Durch den Bindefaden wird die gegenseitige Normalkraft der beiden anderen weitgehend biegefreien Fadensysteme bewirkt, so dass eine gute Dimensionsstabilität unabhängig von der Maschengröße gegeben ist. Die Anordnung der Kett- und Schussfäden in gesonderten Ebenen bzw. Lagen ermöglicht es auch, bei geringer Fadenstärke eine hohe Festigkeit zu erreichen.The unilateral Hauptfadenverkreuzung is thereby made possible that the weft threads and the warp threads each rest as a layer on each other, so that a fabric side is formed by the position of the weft threads and the other fabric side by the position of the warp threads. In this binding, it is possible for the warp threads and the weft threads to extend essentially in a straight line in separate thread planes and lie against one another only at their mutually facing inner sides or inner half sides in the intersection points, while the outer sides facing away from one another are looped around by the binding threads. By the binding thread, the mutual normal force of the other two largely bend-free thread systems is effected, so that a good dimensional stability is given regardless of the mesh size. The arrangement of the warp and weft threads in separate planes or layers also makes it possible to achieve high strength at low thread thickness.
Vorteilhafterweise besitzen die Bindefäden einen vorzugsweise um etwa die Hälfte geringeren Durchmesser als die Kett- und Schussfäden, deren Durchmesser auf einen Bereich von weniger als 0,2 mm, bevorzugt etwa 0,1 mm reduziert werden kann.Advantageously, the binding threads have a preferably smaller by about half the diameter than the warp and weft threads whose diameter can be reduced to a range of less than 0.2 mm, preferably about 0.1 mm.
Eine weitere vorteilhafte Ausführung sieht vor, dass das Gewebe durch stoffschlüssige Verbindungsmittel, insbesondere Klebestoffe oder Schweißstellen im Bereich der Kreuzungsstellen verfestigt ist, so dass auch bei offenmaschigem Aufbau eine hinreichende Festigkeit erzielt wird. Die Bindefäden bieten hier Vorteile in zweifacher Hinsicht, nämlich zum einen eine Vorfestigung des Gewebes für den nachfolgenden Klebeprozess und zum anderen eine Sammelstruktur für das Klebemittel, welches sich dann bevorzugt im Kreuzungsbereich ansammelt.A further advantageous embodiment provides that the fabric is solidified by cohesive connection means, in particular adhesives or welds in the region of the intersections, so that a sufficient strength is achieved even with open-mesh construction. The binding threads offer advantages in two respects, namely on the one hand a pre-consolidation of the fabric for the subsequent bonding process and on the other hand a collecting structure for the adhesive, which then preferably accumulates in the crossing region.
Günstig ist es auch, wenn die Kettfäden und Schussfäden als Monofilamente mit vorzugsweise rundem Querschnitt ausgebildet sind. Dadurch wird im Vergleich zu Multifilamenten eine höhere Präzision in der Fadenlage und Dimension erreicht. Runde Fäden lassen sich einfach herstellen und verarbeiten, weil Verdrehungen in der Längsachse keine Rollen spielen.It is also favorable if the warp threads and weft threads are designed as monofilaments having a preferably round cross section. As a result, a higher precision in the thread layer and dimension is achieved compared to multifilaments. Round threads are easy to make and process because twisting in the longitudinal axis does not play any roles.
Vorteilhafterweise bestehen die Kettfäden und Schussfäden aus Kunststoff, insbesondere aus einem Polyestermaterial wie PET. Solche Fäden sind preisgünstig herstellbar und auch dahingehend vorteilhaft, dass sie sehr reißfest und dimensionsstabil hinsichtlich Temperatur und Feuchtigkeit sind.Advantageously, the warp threads and weft threads are made of plastic, in particular of a polyester material such as PET. Such threads are inexpensive to manufacture and also advantageous in that they are very tear-resistant and dimensionally stable in terms of temperature and humidity.
Die Kettfäden und Schussfäden begrenzen Gewebeöffnungen, so dass eine noch eine gute Durchsicht und Luftdurchlässigkeit gewährleistet ist. Für die Insektenabschirmung ist es von Vorteil, wenn die Gewebeöffnungen eine lichte Weite von 0,3 bis 3 mm, vorzugsweise 0,8 bis 1,2 mm in beide Richtungen aufweisen. Hierbei ist zu bedenken, dass bei dünneren Fäden auch die lichte Weite entsprechend reduziert werden kann, ohne dass das Gewebe visuell auffällig wird.The warp threads and weft threads limit tissue openings, so that a good visibility and air permeability is ensured. For insect shielding, it is advantageous if the tissue openings have a clear width of 0.3 to 3 mm, preferably 0.8 to 1.2 mm in both directions. It should be noted that with thinner threads and the inside width can be reduced accordingly without the tissue is visually striking.
Besondere Gebrauchsvorteile können sich auch dadurch ergeben, dass das Gewebe insbesondere zur Erzeugung von Streifeneffekten oder lokalen Verstärkungen mit variierenden Fadenstärken und/oder Fadendichten und/oder Farben ausgebildet ist. Prinzipiell ist es auch möglich, Streifeneffekte durch in Leinwandbindung bindende Kettfäden in speziellen Bereichen zu erzeugen. In diesem Zusammenhang kann eine Verbesserung auch durch Gewebe- bzw. Fadenbeschichtungen erzielt werden, beispielsweise eine antibakterielle Wirkung durch Silberbeschichtung.Particular advantages in use may also result from the fact that the fabric is designed in particular for producing strip effects or local reinforcements with varying thread strengths and / or thread densities and / or colors. In principle, it is also possible to produce strip effects by binding plain weave warp threads in specific areas. In this context, an improvement can also be achieved by fabric or thread coatings, for example, an antibacterial effect by silver coating.
In verfahrensmäßiger Hinsicht wird die eingangs genannte Aufgabe dadurch gelöst, dass die Schussfäden einseitig auf den Kettfäden aufgelegt und durch Bindefäden mit den Kettfäden verbunden werden, so dass die Kettfäden und Schussfäden in jeweils einer gesonderten Fadenebene übereinander liegen und die Bindefäden in Halbdreherbindung oberhalb der Schussfäden und unterhalb der Kettfäden verkreuzend eingewoben werden. Hierdurch werden die zu der Vorrichtung bereits genannten Vorteile für das Verfahrenserzeugnis erzielt.In procedural terms, the object mentioned above is achieved in that the weft threads are placed on one side of the warp threads and connected by binding threads with the warp threads, so that the warp threads and weft threads are superimposed in each case a separate thread plane and the binding threads in Halbdreherbindung above the weft threads and below the warp threads are woven interlacing. As a result, the already mentioned for the device advantages for the process product can be achieved.
Im Folgenden wird die Erfindung anhand eines in der Zeichnung in schematischer Weise dargestellten Ausführungsbeispiels näher erläutert. Es zeigen
- Fig. 1
- eine als Spannrahmen mit einem Insektenschutz- gewebe versehene Insektenschutzvorrichtung zum Einsetzen in eine Fensteröffnung in perspekti- vischer Darstellung;
- Fig. 2
- einen Ausschnitt des aus drei Fadensystemen gebildeten Insektenschutzgewebes;
- Fig. 3 bis 5
- die Fadenbewegung der Bindefäden bei der Herstellung des Insektenschutzgewebes nach
Fig. 2 .
- Fig. 1
- an insect protection device provided as a tensioning frame with an insect protection fabric for insertion into a window opening in a perspective view;
- Fig. 2
- a section of the formed from three thread systems insect protection fabric;
- Fig. 3 to 5
- the thread movement of the binding threads in the production of the insect protection fabric after
Fig. 2 ,
Die in
Der Spannrahmen 10 besitzt eine Kedernut zum Einspannen des Gewebes 12 und lässt sich durch eine umlaufende Dichtung (nicht gezeigt) im eingehängten Zustand außenseitig an einem Blendrahmen des Fensters insektendicht anschließen, wobei auch eine einfache Demontage beispielsweise bei Nichtgebrauch über die Winterzeit möglich ist. Entsprechend angepasste Rahmenvarianten sind auch für andere Gebäudeöffnungen beispielsweise vor Türen oder Lichtschächten einsetzbar. Weitere Einsatzmöglichkeiten ergeben sich durch Rollokonstruktionen, bei denen das Insektenschutzgewebe 12 in Form einer aufwickelbaren Gewebebahn in seitlichen Führungsschienen gehalten ist. Für eine solche Ausführung wird auf die
Wie in
Das Gewebe 12 beruht auf einer Art von Dreherbindung, wobei die Kettfäden 16 als Trägerkette in einer unteren Fadenebene und die Schussfäden 18 in einer oberen Fadenebene im Wesentlichen geradlinig liegen und an ihren voneinander abgewandten Außenseiten von den Bindefäden 20 umschlungen sind. Je nach Fadenzugkraft der Bindefäden 20 und Biegesteifigkeit der Hauptfäden ergibt sich eine leichte Welligkeit in der Kette und im Schuss 16, 18, die jedoch geringer als die Fadenstärke ist.The
Die Kettfäden 16 und Schussfäden 18 liegen somit mit ihren einander zugewandten Innenseiten bzw. inneren Halbseiten an Kreuzungsstellen 22 aufeinander, wobei durch die Reibung unter der Zugkraft der Bindefäden 20 eine hohe Schiebefestigkeit bereits ohne zusätzliche Verbindungsmittel erreicht wird. Um die Gewebefestigkeit weiter zu verbessern, kann ein Klebstoff beispielsweise durch Sprühen, Tauchen oder Schaumimprägnieren aufgebracht und ausgehärtet werden. Denkbar ist es auch, die Kreuzungsstellen 22 zu verschmelzen oder zu verschweißen. Beispielsweise könnten Fadensysteme mit unterschiedlichen Schmelztemperaturen eingesetzt werden, so dass die Hauptfäden 16, 18 verschmelzen, während die Bindefäden 20 nicht verschmelzen. Grundsätzlich könnten auch Mehrkomponentengarne eingesetzt werden, bei denen im Garn bereits schmelzfähige Fäden bzw. Thermoplaste mit unterschiedlichen Schmelztemperaturen vorhanden sind.The
Zweckmäßig sind die Bindefäden 20 deutlich dünner als die Hauptfäden 16, 18, so dass eine Verformung weitgehend nur auf die Bindefäden wirkt und die Hauptfäden in ihrer rechteckigen Gitterstruktur erhalten bleiben. Beispielsweise beträgt der Bindefadendurchmesser weniger als das 0,7-fache, bevorzugt etwa das 0,5-fache des Hauptfadendurchmessers. Typische Durchmesserwerte liegen bei 0,1mm für die Kett- und Schussfäden 16, 18 und 0,05mm für die Bindefäden 20. Um einerseits die erforderliche Insektendichtigkeit zu gewährleisten und andererseits die Lichtdurchlässigkeit nicht unnötig einzuschränken, sollten die Gewebeöffnungen 24 eine lichte Weite von etwa 0,8 bis 1,2 mm aufweisen.Suitably, the
Bevorzugt besteht das Gewebe 12 aus monofilen Fäden 16, 18, 20, mit rundem Querschnitt. Denkbar ist es auch, eckige Querschnitte einzusetzen, etwa um die Reflektionseigenschaften zu beeinflussen. Als preisgünstiges Fadenmaterial bietet sich Kunststoffe aus der Familie der Polyester, insbesondere PET (Polyethylenterephthalat) an.Preferably, the
Generell sollte das Fadenmaterial eine hinreichende UV-Stabilität besitzen, beispielsweise durch spezielle Stabilisatoren in der Grundsubstanz. Außerdem ist es günstig, wenn das Material dunkel bzw. schwarz gefärbt ist, beispielsweise durch Ruß- oder Pigmentzusatz, so dass das UV-Licht bereits in den äußeren Fadenschichten absorbiert wird und nicht zu einer Molekülzerstörung im Volumen führt. Eine schwarze Einfärbung führt ebenso wie eine matte Oberfläche auch zu einer Verminderung von störenden Reflexen für den Betrachter.In general, the thread material should have a sufficient UV stability, for example by special stabilizers in the ground substance. In addition, it is advantageous if the material is dark or black colored, for example by addition of carbon black or pigment, so that the UV light is already absorbed in the outer thread layers and does not lead to a destruction of the molecule in the volume. A black color as well as a matte surface also leads to a reduction of disturbing reflections for the viewer.
Die
Grundsätzlich ist es auch möglich, dass die verschiedenen Fadensysteme aus unterschiedlichen Materialien bestehen, und dass gewisse Gewebebereiche hervorgehoben werden, indem Fadenstärken oder Abstände variiert werden oder indem variierende Farben gewählt werden. Dies muss nicht nur der optischen Hervorhebung dienen, sondern kann auch eine Verstärkung in besonders beanspruchten Bereichen sicherstellen. Dies lässt sich durch den Lagenaufbau des Gewebes in der beschriebenen Halbdreherverbindung vor allem beim Eintrag der Schussfäden leicht bewerkstelligen.In principle, it is also possible that the different thread systems consist of different materials, and that certain areas of tissue are emphasized by varying the thread thicknesses or distances or by choosing varying colors. Not only does this have to serve for optical highlighting, but it can also provide reinforcement in high stress areas. This can be easily accomplished by the layer structure of the fabric in the described half-turn connection, especially when entering the weft threads.
Claims (15)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09150333A EP2206875B1 (en) | 2009-01-09 | 2009-01-09 | Insect protection fabric |
AT09150333T ATE507337T1 (en) | 2009-01-09 | 2009-01-09 | INSECT PROTECTION FABRIC |
DE502009000591T DE502009000591D1 (en) | 2009-01-09 | 2009-01-09 | Insect repellent fabric |
ES09150333T ES2362703T3 (en) | 2009-01-09 | 2009-01-09 | PROTECTION FABRIC AGAINST INSECTS. |
US13/143,289 US20110284173A1 (en) | 2009-01-09 | 2010-01-08 | Insect protection fabric |
CN2010800044207A CN102272404A (en) | 2009-01-09 | 2010-01-08 | Insect protection fabric |
PCT/EP2010/050142 WO2010079210A1 (en) | 2009-01-09 | 2010-01-08 | Insect protection fabric |
CA2748482A CA2748482A1 (en) | 2009-01-09 | 2010-01-08 | Insect protection fabric |
IL213543A IL213543A (en) | 2009-01-09 | 2011-06-14 | Insect protection fabric |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09150333A EP2206875B1 (en) | 2009-01-09 | 2009-01-09 | Insect protection fabric |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2206875A1 true EP2206875A1 (en) | 2010-07-14 |
EP2206875B1 EP2206875B1 (en) | 2011-04-27 |
Family
ID=40427538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09150333A Active EP2206875B1 (en) | 2009-01-09 | 2009-01-09 | Insect protection fabric |
Country Status (9)
Country | Link |
---|---|
US (1) | US20110284173A1 (en) |
EP (1) | EP2206875B1 (en) |
CN (1) | CN102272404A (en) |
AT (1) | ATE507337T1 (en) |
CA (1) | CA2748482A1 (en) |
DE (1) | DE502009000591D1 (en) |
ES (1) | ES2362703T3 (en) |
IL (1) | IL213543A (en) |
WO (1) | WO2010079210A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3532270B1 (en) * | 2016-10-28 | 2022-08-10 | Hunter Douglas Inc. | Covering for architectural features |
CN106968587B (en) * | 2017-04-12 | 2018-08-28 | 蒙城县信德木业有限公司 | A kind of adjustable window screening of air permeability |
JP7464510B2 (en) | 2020-12-04 | 2024-04-09 | Ykk Ap株式会社 | Screen door support structure |
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DE8901548U1 (en) * | 1989-02-10 | 1989-03-23 | Fuchshuber, Friedrich, 7414 Lichtenstein, De | |
DE19639478A1 (en) | 1995-12-30 | 1997-07-03 | Neher Systeme Gmbh & Co Kg | Roller blind forming fly-screen |
DE19749517A1 (en) | 1996-12-05 | 1998-06-18 | Solitec Systemtechnik Gmbh | Fly screen for external hanging on window or door frames |
EP0886031A1 (en) * | 1997-06-19 | 1998-12-23 | Beiersdorf Aktiengesellschaft | Protective system for building entrances |
DE10153248A1 (en) * | 2001-10-31 | 2003-05-15 | Neher Systeme Gmbh & Co Kg | Grid for preventing entry of insects comprises warp and weft elements which are provided with electrically conductive filaments and/or an electrically conductive coating |
EP1429104A1 (en) * | 2002-12-12 | 2004-06-16 | Texplorer GmbH | Heat camouflage covering |
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US4320160A (en) * | 1979-08-21 | 1982-03-16 | Toray Industries, Inc. | Fabric structure for fiber reinforced plastics |
CN2076599U (en) * | 1990-08-11 | 1991-05-08 | 仲崇仁 | Metallic frame mesh door and window for protection against insects |
US6841492B2 (en) * | 2002-06-07 | 2005-01-11 | Honeywell International Inc. | Bi-directional and multi-axial fabrics and fabric composites |
US20040192129A1 (en) * | 2003-03-31 | 2004-09-30 | Mcgregor Gordon L. | Insect screen with improved optical properties |
CN2713111Y (en) * | 2003-05-06 | 2005-07-27 | 涂新尔 | Dust tight mosquito-proof metal screen window |
BRPI0519768A2 (en) * | 2004-12-31 | 2009-03-10 | Dornier Gmbh Lindauer | gauze fabric as well as method and loom for its manufacture |
CN100531624C (en) * | 2005-04-29 | 2009-08-26 | 清展科技股份有限公司 | Insect-expelling screen and production thereof |
CN1982522A (en) * | 2005-12-16 | 2007-06-20 | 航天材料及工艺研究所 | Fiberglass flow-guiding cloth and vacuum adsorption |
CN201027244Y (en) * | 2006-12-15 | 2008-02-27 | 王修俊 | Nonwoven gridding cloth |
-
2009
- 2009-01-09 DE DE502009000591T patent/DE502009000591D1/en active Active
- 2009-01-09 ES ES09150333T patent/ES2362703T3/en active Active
- 2009-01-09 AT AT09150333T patent/ATE507337T1/en active
- 2009-01-09 EP EP09150333A patent/EP2206875B1/en active Active
-
2010
- 2010-01-08 US US13/143,289 patent/US20110284173A1/en not_active Abandoned
- 2010-01-08 CN CN2010800044207A patent/CN102272404A/en active Pending
- 2010-01-08 CA CA2748482A patent/CA2748482A1/en not_active Abandoned
- 2010-01-08 WO PCT/EP2010/050142 patent/WO2010079210A1/en active Application Filing
-
2011
- 2011-06-14 IL IL213543A patent/IL213543A/en active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8901548U1 (en) * | 1989-02-10 | 1989-03-23 | Fuchshuber, Friedrich, 7414 Lichtenstein, De | |
DE19639478A1 (en) | 1995-12-30 | 1997-07-03 | Neher Systeme Gmbh & Co Kg | Roller blind forming fly-screen |
DE19749517A1 (en) | 1996-12-05 | 1998-06-18 | Solitec Systemtechnik Gmbh | Fly screen for external hanging on window or door frames |
EP0886031A1 (en) * | 1997-06-19 | 1998-12-23 | Beiersdorf Aktiengesellschaft | Protective system for building entrances |
DE10153248A1 (en) * | 2001-10-31 | 2003-05-15 | Neher Systeme Gmbh & Co Kg | Grid for preventing entry of insects comprises warp and weft elements which are provided with electrically conductive filaments and/or an electrically conductive coating |
EP1429104A1 (en) * | 2002-12-12 | 2004-06-16 | Texplorer GmbH | Heat camouflage covering |
Also Published As
Publication number | Publication date |
---|---|
EP2206875B1 (en) | 2011-04-27 |
CN102272404A (en) | 2011-12-07 |
DE502009000591D1 (en) | 2011-06-09 |
ATE507337T1 (en) | 2011-05-15 |
IL213543A0 (en) | 2011-07-31 |
IL213543A (en) | 2013-11-28 |
WO2010079210A1 (en) | 2010-07-15 |
US20110284173A1 (en) | 2011-11-24 |
CA2748482A1 (en) | 2010-07-15 |
ES2362703T3 (en) | 2011-07-12 |
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