EP0972872B1 - Voluminous elastic mat structure - Google Patents

Voluminous elastic mat structure Download PDF

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Publication number
EP0972872B1
EP0972872B1 EP99111556A EP99111556A EP0972872B1 EP 0972872 B1 EP0972872 B1 EP 0972872B1 EP 99111556 A EP99111556 A EP 99111556A EP 99111556 A EP99111556 A EP 99111556A EP 0972872 B1 EP0972872 B1 EP 0972872B1
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EP
European Patent Office
Prior art keywords
mat structure
warp
weft insertions
knitted fabric
fabric
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.)
Expired - Lifetime
Application number
EP99111556A
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German (de)
French (fr)
Other versions
EP0972872A3 (en
EP0972872A2 (en
Inventor
Rolf Arnold
Evelin Hufnagl
Anna-Maria Bartl
Helmut Eberhardt
Jens Stopp
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.)
Saechsisches Textilforschungsinstitut STFI eV
Original Assignee
Saechsisches Textilforschungsinstitut STFI eV
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Application filed by Saechsisches Textilforschungsinstitut STFI eV filed Critical Saechsisches Textilforschungsinstitut STFI eV
Publication of EP0972872A2 publication Critical patent/EP0972872A2/en
Publication of EP0972872A3 publication Critical patent/EP0972872A3/en
Application granted granted Critical
Publication of EP0972872B1 publication Critical patent/EP0972872B1/en
Anticipated expiration legal-status Critical
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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
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/024—Fabric incorporating additional compounds

Definitions

  • the invention relates to a voluminous, spring-elastic mat structure consisting of a extremely coarse warp-knitted fabrics with incorporated weft elements that are flat Load has a very high resilience and preferably as a seat and Lying surface is used.
  • Elastic, warp-knitted mat constructions usually consist of Spacer fabrics with two goods, which are kept at a distance by monofilament threads are.
  • a spacer fabric is known for example from DE-AS 28 57 400, the is produced on a warp knitting machine with two needle bars. Every knitting needle contour serves to manufacture a basic product. Monofilament threads that go from one to the other The two hold the knitting needle shape and are integrated into the stitches there Basic goods at a predetermined distance and offer a certain pressure resistance and Elasticity.
  • the well-known spacer fabrics come up open Limits. Especially with larger distances between the two outer sides and with stronger ones The spacer threads are compressed in an impermissible manner under pressure.
  • Mat structures made from a warp knitted fabric with incorporated weft elements well known, for example the use as a flexible heat exchanger element (DE 35 12 874), in the hoses for the transport of the heat transfer medium as a binding element Weft along and across are integrated into a warp knit. Due to the fixed positive Integrating the hoses into the warp knitted fabric becomes their geometrical arrangement permanently secured. The warp knit structure absorbs tensile forces and the surface stability is further increased by incorporating ropes and rods.
  • voluminous and dimensionally stable filter material is sliver-like Fiber material in the form of card tapes as a front and rear weft in Combination with sliver-like standing weft threads together with meandering ones Tubes integrated in a right / right mesh structure.
  • This filter material serves at the same time as a heat exchanger for hot air and hot gas filtration.
  • Mat structures described are preferably non-textile weft elements for the corresponding fields of application as relatively loose voluminous structures, so that high pressure loads are insufficient even over a long period of time have it compensated.
  • the present invention is therefore based on the object of a mat structure to create the type described above, which is highly elastic due to its structure Deformation enables a high heat retention or thermal insulation as well as a ensures very good moisture behavior and the provision of different Dimensions are easy to maintain for a wide range of applications.
  • the voluminous, spring-elastic mat structure shown in the drawing consists of a right / right warp knitted fabric of extremely coarse structure that on a Raschel machine can be produced with appropriately dimensioned knitting tools.
  • Pre-stressed weft elements can be integrated as two separate systems alternating between the meshes of the front and rear fabric side. The distance of the both sides of the basic fabric is approx. 12 mm and the distance a is Wales approx. 40 mm.
  • continuous weft elements 1 are preferably integrated as a full weft, which lie close together.
  • These weft elements 1 consist of rope-like, loose fiber structures 5 with a Diameter of 20 mm, for example.
  • the diameter of the weft elements 1 corresponds preferably at least 10 times the value of the basic thread.
  • the fiber structures 5 consist of 100% cotton fibers. You can also from others Natural fibers, be made from synthetic fibers or mixtures thereof.
  • the rope-like fiber structures 5 with a tubular, net-like Mesh tube 3, which consists of at least four spirally extending in the longitudinal direction Mesh 4 is formed. The sheathing of the mesh tube 3 causes the loose fiber structures 5 are biased radially.
  • An additional preload on the Shot elements 1 is achieved in that the compressed, loose fiber structures 5 in Distance a are tied radially in the wales 2 of the warp knit.
  • the weft elements 1 can be integrated in the longitudinal and / or transverse direction. Furthermore, additional textile and / or non-textile reinforcement elements can be incorporated in the warp and / or weft direction.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Springs (AREA)
  • Pens And Brushes (AREA)
  • Materials For Medical Uses (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)

Abstract

The mat structure is made of warp-knitted material and includes worked-in pick elements which consist of elastic, loose fiber structures shaped to resemble rope. The elements are bound through radial tying into the binding elements of the warp-knitted structure at distances matching the wales or ridges in the fabric.

Description

Die Erfindung betrifft eine voluminöse, sprungelastische Mattenstruktur, bestehend aus einem extrem groben Kettengewirke mit eingearbeiteten Schußelementen, die bei flächiger Belastung ein sehr hohes Rückstellvermögen aufweist und vorzugsweise als Sitz- und Liegefläche Anwendung findet.The invention relates to a voluminous, spring-elastic mat structure consisting of a extremely coarse warp-knitted fabrics with incorporated weft elements that are flat Load has a very high resilience and preferably as a seat and Lying surface is used.

Sprungelastische kettengewirkte Mattenkonstruktionen bestehen üblicherweise aus Abstandsgewirken mit zwei Warenstücken, die durch monofile Fäden im Abstand gehalten sind. Ein solches Abstandsgewirke ist beispielsweise aus der DE-AS 28 57 400 bekannt, das auf einer Kettenwirkmaschine mit zwei Nadelbarren hergestellt wird. Jede Wirknadelfontur dient der Herstellung einer Grundware. Monofile Fäden, die von der einen zur anderen Wirknadelfontur wechseln und dort in die Maschen eingebunden sind, halten die beiden Grundwaren in einem vorgegebenen Abstand und bieten eine gewisse Druckfestigkeit und Elastizität. In der praktischen Anwendung stoßen die bekannten Abstandsgewirke auf Grenzen. Inbesondere bei größeren Abständen der beiden Außenseiten und bei stärkerer Druckbelastung werden die Abstandsfäden in unzulässiger weise zusammengedrückt.Elastic, warp-knitted mat constructions usually consist of Spacer fabrics with two goods, which are kept at a distance by monofilament threads are. Such a spacer fabric is known for example from DE-AS 28 57 400, the is produced on a warp knitting machine with two needle bars. Every knitting needle contour serves to manufacture a basic product. Monofilament threads that go from one to the other The two hold the knitting needle shape and are integrated into the stitches there Basic goods at a predetermined distance and offer a certain pressure resistance and Elasticity. In practical application, the well-known spacer fabrics come up open Limits. Especially with larger distances between the two outer sides and with stronger ones The spacer threads are compressed in an impermissible manner under pressure.

Mattenstrukturen aus einem Kettengewirke mit eingearbeiteten Schußelementen sind hinreichend bekannt, beispielsweise die Verwendung als flexibles Wärmetauscherelement (DE 35 12 874), bei dem Schläuche für den Transport des Wärmeträgers als Bindungselement Schuß längs und quer in ein Kettengewirke eingebunden sind. Durch die feste formschlüssige Einbindung der Schläuche in das Kettengewirke wird deren geometrische Anordnung dauerhaft gesichert. Die Kettengewirkestruktur nimmt Zugkräfte auf und die Flächenstabilität wird durch das Einarbeiten von Seilen und Stäben zusätzlich erhöht. Bei einem besonders voluminösen und dimensionsstabilen Filtermaterial (DE 197 07 378.6) ist luntenartiges Fasermaterial in Form von Kardenbändern als vorderer und hinterer Durchschuß in Kombination mit luntenartigen Stehschußfäden gemeinsam mit mäanderförmig verlaufenden Schläuchen in eine Rechts/Rechts-Maschenstruktur eingebunden. Dieses Filtermaterial dient gleichzeitig als Wärmeübertrager bei der Warmluft- und Heißgasfiltration. Bei diesen beschriebenen Mattenstrukturen werden vorzugsweise nichttextile Schußelemente für die entsprechenden Einsatzgebiete als relativ lose voluminöse Strukturen eingebunden, so daß sich hohe Druckbelastungen auch über einem längeren Zeitraum nicht ausreichend kompensieren lassen. Mat structures made from a warp knitted fabric with incorporated weft elements well known, for example the use as a flexible heat exchanger element (DE 35 12 874), in the hoses for the transport of the heat transfer medium as a binding element Weft along and across are integrated into a warp knit. Due to the fixed positive Integrating the hoses into the warp knitted fabric becomes their geometrical arrangement permanently secured. The warp knit structure absorbs tensile forces and the surface stability is further increased by incorporating ropes and rods. With one in particular voluminous and dimensionally stable filter material (DE 197 07 378.6) is sliver-like Fiber material in the form of card tapes as a front and rear weft in Combination with sliver-like standing weft threads together with meandering ones Tubes integrated in a right / right mesh structure. This filter material serves at the same time as a heat exchanger for hot air and hot gas filtration. With these Mat structures described are preferably non-textile weft elements for the corresponding fields of application as relatively loose voluminous structures, so that high pressure loads are insufficient even over a long period of time have it compensated.

Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, eine Mattenstruktur der eingangs beschriebenen Art zu schaffen, die durch ihre Struktur eine hohe elastische Verformung ermöglicht, ein hohes Wärmerückhaltevermögen bzw. Wärmeisolation sowie ein sehr gutes Feuchtigkeitsverhalten gewährleistet und die Bereitstellung unterschiedlicher Abmessungen für ein breites Anwendungsgebiet pflegeleicht möglich ist.The present invention is therefore based on the object of a mat structure to create the type described above, which is highly elastic due to its structure Deformation enables a high heat retention or thermal insulation as well as a ensures very good moisture behavior and the provision of different Dimensions are easy to maintain for a wide range of applications.

Diese Aufgabe wird erfindungsgemäß durch die im Anspruch 1 beschriebenen Merkmale gelöst. Vorteilhafte Weiterbildungen sind in den Unteransprüchen enthalten.This object is achieved by the features described in claim 1 solved. Advantageous further developments are contained in the subclaims.

AusführungsbeispielEmbodiment

Die Erfindung wird nachstehend anhand der Zeichnung näher erläutert, die einen Ausschnitt der Mattenstruktur in der Draufsicht zeigt.The invention is explained below with reference to the drawing, which is a section shows the mat structure in plan view.

Die in der Zeichnung dargestellte voluminöse, sprungelastische Mattenstruktur besteht aus einem Rechts/Rechts-Kettengewirke extrem grober Struktur, daß auf einer Raschelmaschine mit entsprechend dimensionierten Wirkwerkzeugen hergestellt werden kann Vorgespannte Schußelemente können als zwei getrennte Systeme im Wechsel von den Maschen der vorderen und hinteren Warenseite eingebunden sein. Der Abstand der beiden Gewirkeseiten des Grundgewirkes beträgt ca. 12 mm und der Abstand a der Maschenstäbchen ca. 40 mm. In die Maschenstäbchen (2) der vorderen und hinteren Gewirkeseite sind durchgehende Schußelemente 1 vorzugsweise als Vollschuß eingebunden, die dicht aneinanderliegen. Diese Schußelemente 1 bestehen aus seilartig geformten, losen Faserstrukturen 5 mit einem Durchmesser von beispielsweise 20 mm. Der Durchmesser der Schußelemente 1 entspricht vorzugsweise mindestens dem 10fachen Wert des Grundfadens. Im Ausführungsbeispiel bestehen die Faserstrukturen 5 aus 100 % Baumwollfasern. Sie können auch aus anderen Naturfaserstoffen, aus Synthesfaserstoffen oder Mischungen daraus hergestellt sein. Umhüllt sind die seilartig geformten Faserstrukturen 5 mit einem schlauchförmigen, netzartigen Maschenschlauch 3, der aus mindestens vier in Längsrichtung spiralförmig verlaufenden Maschenstäbchen 4 gebildet wird. Die Ummantelung des Maschenschlauches 3 bewirkt, daß die losen Faserstrukturen 5 radial vorgespannt sind. Eine zusätzliche Vorspannung der Schußelemente 1 wird dadurch erreicht, daß die verdichteten, losen Faserstrukturen 5 im Abstand a in den Maschenstäbchen 2 des Kettengewirkes radial geschnürt eingebunden sind.The voluminous, spring-elastic mat structure shown in the drawing consists of a right / right warp knitted fabric of extremely coarse structure that on a Raschel machine can be produced with appropriately dimensioned knitting tools. Pre-stressed weft elements can be integrated as two separate systems alternating between the meshes of the front and rear fabric side. The distance of the both sides of the basic fabric is approx. 12 mm and the distance a is Wales approx. 40 mm. In the wales (2) of the front and rear Knitted fabric side continuous weft elements 1 are preferably integrated as a full weft, which lie close together. These weft elements 1 consist of rope-like, loose fiber structures 5 with a Diameter of 20 mm, for example. The diameter of the weft elements 1 corresponds preferably at least 10 times the value of the basic thread. In the embodiment the fiber structures 5 consist of 100% cotton fibers. You can also from others Natural fibers, be made from synthetic fibers or mixtures thereof. Encased are the rope-like fiber structures 5 with a tubular, net-like Mesh tube 3, which consists of at least four spirally extending in the longitudinal direction Mesh 4 is formed. The sheathing of the mesh tube 3 causes the loose fiber structures 5 are biased radially. An additional preload on the Shot elements 1 is achieved in that the compressed, loose fiber structures 5 in Distance a are tied radially in the wales 2 of the warp knit.

Die Schußelemente 1 können in Längs-und/oder Querrichtung eingebunden sein. Weiters können zusätzliche textile und/oder nichttextile Verstärkungselemente in Kett- und/oder Schußrichtung eingebunden sein.The weft elements 1 can be integrated in the longitudinal and / or transverse direction. Furthermore, additional textile and / or non-textile reinforcement elements can be incorporated in the warp and / or weft direction.

Claims (10)

  1. Voluminous resilient mat structure consisting of a warp-knitted fabric with weft insertions, characterized by that these weft insertions (1) consist of rope-like loose fibre structures (5) sheathed by a tubular net-like sheathing consisting of loops (3), which is radially pre-tensioned, and that these weft insertions (1) are radially laced up in the structural elements of the warp-knitted fabric (2) at a distance (a) corresponding to the wales.
  2. Mat structure as claimed in claim 1, characterized by that the warp-knitted fabric is an extremely coarse double-faced fabric.
  3. Mat structure as claimed in claims 1 to 2, characterized by that the radially pre-tensioned weft insertions (1) are inserted across the full machine width in every course and return at the fabric selvedges.
  4. Mat structure as claimed in claims 1 to 3, characterized by that the radially pre-tensioned weft insertions (1) consist of two separate sets of threads inserted alternatingly into the stitches of the face and the back of the fabric.
  5. Mat structure as claimed in claims 1 to 4, characterized by that the tubular net-like sheathing (3) consists of at least four wales (4) running as spirals in the longitudinal direction.
  6. Mat structure as claimed in claims 1 to 5, characterized by that the weft insertions (1) have the same or different dimensions and material compositions on both sides of the double-face warp-knitted fabric.
  7. Mat structure as claimed in claims 1 to 6, characterized by that the weft insertions (1) consist of natural fibres, synthetic fibres or blends of both.
  8. Mat structure as claimed in claims 1 to 7, characterized by that the diameter of the weft insertions (1) corresponds to at least 10 times the value of the ground yarn forming the structural elements (2) of the warp-knitted fabric.
  9. Mat structure as claimed in claims 1 to 8, characterized by that elements of the same or similar characteristics as the weft insertions (1) are inserted longitudinally and/or transversely.
  10. Mat structure as claimed in claims 1 to 9, characterized by that additional textile or nontextile reinforcing elements are inserted longitudinally and/or transversely.
EP99111556A 1998-06-20 1999-06-15 Voluminous elastic mat structure Expired - Lifetime EP0972872B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19827594 1998-06-20
DE19827594A DE19827594A1 (en) 1998-06-20 1998-06-20 Voluminous mat structure with rebound elasticity

Publications (3)

Publication Number Publication Date
EP0972872A2 EP0972872A2 (en) 2000-01-19
EP0972872A3 EP0972872A3 (en) 2000-09-13
EP0972872B1 true EP0972872B1 (en) 2001-12-19

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ID=7871550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99111556A Expired - Lifetime EP0972872B1 (en) 1998-06-20 1999-06-15 Voluminous elastic mat structure

Country Status (6)

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EP (1) EP0972872B1 (en)
AT (1) ATE211192T1 (en)
DE (2) DE19827594A1 (en)
DK (1) DK0972872T3 (en)
ES (1) ES2169580T3 (en)
PT (1) PT972872E (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19949126B4 (en) * 1999-10-12 2004-01-15 Sächsisches Textilforschungsinstitut e.V. Method and device for the production of prefabricated areas
BR0203095A (en) * 2002-03-19 2004-06-01 Marcia Luiza Freitas Ganem Process for the production of polyamide fiber weft

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB542349A (en) * 1940-07-27 1942-01-05 Us Rubber Co Improvements in knitted asbestos fabrics
DE2832481C3 (en) 1978-07-24 1981-01-22 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Process for the production of two pile fabric webs on a warp knitting machine with two needle bars
DE3512874C2 (en) 1984-05-17 1995-04-20 Heidenau Netz & Seil Veb Flexible heat transfer element
CA1285399C (en) * 1985-08-22 1991-07-02 Seizo Sato Spatial warp knitted structure and a method of manufacturing the same
DE3716476C1 (en) * 1987-05-16 1987-12-17 Wagener Saerbeck Textil Process and apparatus for the production of a filter mat
US4838043A (en) * 1988-04-18 1989-06-13 New England Overseas Corporation, Inc. Circular warp knit composite cord
DE19707378C2 (en) * 1997-02-25 2001-10-04 Saechsisches Textilforsch Inst Filter material

Also Published As

Publication number Publication date
DE19827594A1 (en) 1999-12-30
ES2169580T3 (en) 2002-07-01
EP0972872A3 (en) 2000-09-13
ATE211192T1 (en) 2002-01-15
PT972872E (en) 2002-06-28
DE59900577D1 (en) 2002-01-31
DK0972872T3 (en) 2002-04-22
EP0972872A2 (en) 2000-01-19

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