EP2319967B1 - Cover for seats or beds - Google Patents

Cover for seats or beds Download PDF

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Publication number
EP2319967B1
EP2319967B1 EP10014233.0A EP10014233A EP2319967B1 EP 2319967 B1 EP2319967 B1 EP 2319967B1 EP 10014233 A EP10014233 A EP 10014233A EP 2319967 B1 EP2319967 B1 EP 2319967B1
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EP
European Patent Office
Prior art keywords
thread
cover
textile
frame
threads
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.)
Not-in-force
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EP10014233.0A
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German (de)
French (fr)
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EP2319967A1 (en
Inventor
Lutz Rathgeber
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Hr Rathgeber & Co KG GmbH
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Hr Rathgeber & Co KG GmbH
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Application filed by Hr Rathgeber & Co KG GmbH filed Critical Hr Rathgeber & Co KG GmbH
Priority to PL10014233T priority Critical patent/PL2319967T3/en
Publication of EP2319967A1 publication Critical patent/EP2319967A1/en
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/02—Upholstery attaching means
    • A47C31/023—Upholstery attaching means connecting upholstery to frames, e.g. by hooks, clips, snap fasteners, clamping means or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G5/00—Screens; Draught-deflectors
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/567—Shapes or effects upon shrinkage
    • 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
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • 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
    • D10B2401/04—Heat-responsive characteristics
    • D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
    • 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
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/061—Load-responsive characteristics elastic
    • 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
    • D10B2505/08—Upholstery, mattresses

Definitions

  • the present invention relates to a covering, in particular for sitting or lying furniture, in detail according to the preamble of claim 1.
  • the invention is also applicable to other objects to be equipped with a covering, for example as covering for railings, fences, Cabinet doors, room dividers and the like.
  • Sitting or lying furniture is nowadays often provided with a covering of an elastic textile, which then forms, for example, the sitting or lying surface.
  • Such fabrics are known especially for chairs, and the elasticity of the fabric provides a high level of comfort and replaces an otherwise necessary for this padding, not to make the seat or backrest surface uncomfortably hard for the user.
  • the publication DE 24 54 471 A1 describes a covering for upholstered furniture, which consists at least partially of a shrinking material under heat. Such a material can be fixed in a simple manner without tension to the corresponding frame part of the upholstered furniture and then brought to a shrinkage by a heat treatment so that a tight-fitting clothing is achieved. After shrinking, the covering forms a taut, durable and, within certain limits, elastic covering suitable for all conceivable purposes.
  • GB 2 193 980 A describes a textile with two threads with different shrinkage behavior.
  • a thread made of a highly shrinking elastomer is interwoven with a band of less shrinking polypropylene.
  • the polypropylene is not elastic.
  • JP 2005 255 255 also describes the use of a non-elastic thread and an elastic thread to make a textile.
  • the present invention has for its object to provide a fabric, in particular for seating or lounge furniture, which is characterized on the one hand by a particularly easy mountability on a frame and the like and on the other hand, the comfort and especially the elasticity of conventional non-shrinking fabrics reached.
  • a fabric according to the invention in particular in the form of a covering for seating or reclining furniture, or in the form of a covering for a railing, fence or the like, has a textile which consists of a composite of threads forming a surface.
  • a textile which consists of a composite of threads forming a surface.
  • the textile forms that surface which, when used for seating or reclining furniture, represents the seat, reclining surface and / or surface of a backrest or, when used as a privacy screen on a fence or railing, forms the viewing surface.
  • the textile has at least two threads shrinking under heat supply, which differ from one another with respect to their elasticity and in particular also with respect to their shrinkage behavior when heat is supplied.
  • the at least two threads are woven, knitted or knitted to form the textile, either together or side by side.
  • the textile may consist exclusively of these two threads or of a multiplicity of the two threads, or it may be added further threads of one or more other materials.
  • the textile has been shrunk by heat already lasting.
  • the threads have shortened according to their shrinkage behavior or their shrinkage potential accordingly.
  • a bias in the fabric can be achieved after it has been wound on the object to be covered or drawn into this.
  • an elastic thread can not build up sufficient force to withstand a strong tensile load of the textile, for example, to hold a heavy person permanently in a comfortable position when covering a chair with the textile, can be characterized by the low elasticity or Inelasticity of the first heat shrinking thread a firm limitation of the stretching of the textile under load can be installed.
  • the textile is elastic on one side and reliably limited on the other side in its extension path.
  • the second thread is advantageously elastic both before its shrinkage and after its shrinkage, and has the same elasticity especially before its shrinkage and after its shrinkage.
  • the first thread and / or the second thread can be made at least for the most part of a polyester, in particular with a share of more than 98 percent. A hundred percent execution of a polyester comes for the first thread and / or the second thread into consideration.
  • the first thread is advantageously at least for the most part, in particular more than 98 percent or 100 percent of polyethylene terephthalate (PET).
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • the second thread is advantageously at least for the most part, in particular more than 98 percent or even 100 percent of a thermoplastic polyester elastomer (TPE-E), in particular polybutylene terephthalate copolymer.
  • TPE-E thermoplastic polyester elastomer
  • the first thread and / or the second thread can be designed in such a way, in particular by selecting the materials mentioned, that the temperature for triggering the shrinkage is 140 ° C to 160 ° C. It is advantageous if the material can be shrunk only once at this temperature, so that no change occurs at a renewed exposure of the material with this shrinkage temperature.
  • both threads are subject to the same percentage shrinkage at the said temperature to which the textile is applied, a change in the surface of the textile can be avoided by the shrinking process.
  • no material is over. This does not exclude that the second thread has a greater shrinkage potential than the first thread. In fact, it is possible not to activate this shrinking potential beyond the shrinkage potential of the first thread by limiting the temperature during the shrinking process.
  • a diameter for the first thread and / or the second thread are in particular 0.1 to 0.6 mm into consideration.
  • the second thread may have a higher shrinkage value and a higher elongation than the first thread.
  • the first thread may be provided in the textile in a proportion equal to the proportion of the second thread per unit area.
  • deviating shares are possible, in particular in a ratio of 20:80 to 80:20.
  • a larger proportion is advantageously provided by the second thread in relation to the first thread.
  • the threads which impart the properties according to the invention to the textile can be mixed with any other textile filling materials, both in the form of artificial and natural materials.
  • the textile can have an elasticity preferably in the longitudinal direction or in the transverse direction or also in both directions. Particularly advantageous elasticity is present in both directions, which is also referred to as Bielastiztician. Either the textile is shrinking in both directions or even shrinking in one direction only, in combination with the elasticity in only one direction or with the said Bielasticity.
  • the fabric may be drawn in the form of a hose or a hood over a corresponding frame or the like.
  • a single-surface fixation in particular with piping or plastic strips in a groove is possible.
  • Other mechanical fixations such as brackets, screws, strips and the like, come into consideration.
  • the fabric can be sized or made in such a size that it can be applied to the frame without much effort or introduced into this. Only by a subsequent heat treatment shrinks the textile and thus receives the desired biasing force and their spring action.
  • the heat treatment may comprise applying the fabric with hot air, infrared or the like in a continuous process or in the form of a single treatment.
  • the elastic properties of the textile can be changed via a variation of the thread components, the blank and / or the heat treatment.
  • An inventive frame in particular a sitting or lying furniture, has a covering, as described above, wherein the fabric applied in the non-shrunk state of the threads on the frame or is introduced into this, and the shrinkage is only then caused by heat, so that the fabric tensioned on the frame or on the frame.
  • a method of making a stringed frame comprises the step of providing a fabric according to the invention and drawing it or covering it in or on the frame, followed by applying heat to the fabric, so that the threads shrink and strained the fabric or the fabric on or on the frame.
  • FIG. 1 schematically a frame 1 of a chair is shown, which is to be provided with a designed according to a Ausdusurigsbeispiel of the invention covering.
  • the frame has a T-slot 3 in two oppositely arranged frame parts, with which the two outer ends of the fabric are fixed to the frame 1, for example by means of the example shown strips 4, which are guided in loops 5 of the fabric 2.
  • the fabric 2 is initially loose, that is inserted without or substantially without bias in the frame 1 and fixed there against slipping out of the T-slot-3. Subsequently, a heat input is generated in the fabric 2. As a result of this heat input, at least the first threads 6 provided in the covering 2 are shortened due to shrinkage and thus produce a prestressing in the fabric 2 fixed in the frame 1.

Description

Die vorliegende Erfindung betrifft eine Bespannung, insbesondere für Sitz- oder Liegemöbel, im Einzelnen gemäß dem Oberbegriff von Anspruch 1. Die Erfindung ist jedoch auch bei anderen Gegenständen, die mit einer Bespannung ausgerüstet werden sollen, anwendbar, beispielsweise als Bespannung für Geländer, Zäune, Schranktüren, Raumteiler und dergleichen.The present invention relates to a covering, in particular for sitting or lying furniture, in detail according to the preamble of claim 1. However, the invention is also applicable to other objects to be equipped with a covering, for example as covering for railings, fences, Cabinet doors, room dividers and the like.

Sitz- oder Liegemöbel werden heutzutage häufig mit einer Bespannung aus einer elastischen Textilie versehen, welche dann beispielsweise die Sitz- oder Liegefläche ausbildet. Bekannt sind solche Bespannungen besonders bei Stühlen, und die Elastizität der Bespannung bietet einen hohen Sitzkomfort und ersetzt eine sonst hierfür notwendige Polsterung, um die Sitz- beziehungsweise Lehnenfläche für den Nutzer nicht unangenehm hart zu machen.Sitting or lying furniture is nowadays often provided with a covering of an elastic textile, which then forms, for example, the sitting or lying surface. Such fabrics are known especially for chairs, and the elasticity of the fabric provides a high level of comfort and replaces an otherwise necessary for this padding, not to make the seat or backrest surface uncomfortably hard for the user.

Das Aufspannen solcher elastischer Textilien auf einen Rahmen der Sitz- oder Liegemöbel, insbesondere eines Stuhls, ist jedoch aufwändig, da die Textilie für jeden einzelnen Anwendungsfall mit der erforderlichen Spannung auf dem Rahmen fixiert werden muss, unabhängig davon, ob als Bespannung ein Schlauch, eine Haube oder eine einflächige Bespannung zum Einsatz gelangt. Geringe Abweichungen in der Elastizität der Bespannung und/oder dem Zuschnitt haben gravierende Folgen für die im Gebrauch verbleibende Elastizität, sozusagen die Härte des Sitz- oder Liegemöbels, beziehungsweise für die Fähigkeit, die Bespannung überhaupt montierten zu können. Wichtig ist nämlich, dass eine ausreichende Vorspannung nach der Montage in der gesamten Bespannung sichergestellt ist, da eine andernfalls auftretende Faltenbildung sofort den Eindruck einer minderwertigen Qualität des Möbels hervorruft.The stretching of such elastic textiles on a frame of the sitting or lying furniture, in particular a chair, however, is complicated because the textile for each individual application with the required tension must be fixed on the frame, regardless of whether a string, a hose, a Hood or a einflächige fabric used. Slight deviations in the elasticity of the fabric and / or the blank have serious consequences for the remaining elasticity in use, as it were the hardness of the sitting or lying furniture, or for the ability to be able to mount the fabric at all. It is important, namely, that a sufficient preload is ensured after installation in the entire clothing, as an otherwise occurring wrinkling immediately gives the impression of inferior quality of the furniture.

In der Praxis haben sich einflächige Bespannungen als am schwierigsten zu montieren erwiesen, da sie nur geringe Angriffspunkte bieten, um die notwendige Kraft auf die Bespannung auszuüben, sodass diese im vorgespannten Zustand montiert werden kann. Bei einfachen Rahmen und geringer Spannung ist die Montage der Bespannung noch automatisiert mit universell einsetzbaren Hilfsmitteln und Maschinen möglich. Eine größere Spannkraft beziehungsweise eine komplexere Geometrie des Rahmens erfordern jedoch entweder eine manuelle Montage oder Sondermaschinen, welche hohe finanzielle Investitionen benötigen. Solche Investitionen rentieren sich für kleine Serien nicht.In practice, single-surface fabrics have proven to be the most difficult to assemble because they provide only low points of application to exert the necessary force on the fabric, so that it can be mounted in the prestressed state. For simple frames and low tension is the Assembly of the clothing still possible with universal tools and machines. However, a greater clamping force or a more complex geometry of the frame require either a manual assembly or special machines that require high financial investment. Such investments do not pay off for small series.

Die Offenlegungsschrift DE 24 54 471 A1 beschreibt eine Bespannung für Polstermöbel, die wenigstens teilweise aus einem unter Wärmeeinwirkung schrumpfenden Material besteht. Ein solches Material kann auf einfache Weise spannungslos an dem entsprechenden Rahmenteil des Polstermöbels befestigt und dann durch eine Wärmebehandlung so zum Schrumpfen gebracht werden, dass eine straff sitzende Bespannung erzielt wird. Nach dem Aufschrumpfen bildet die Bespannung eine straffe, dauerhafte und in gewissen Grenzen elastische Bespannung, die für alle denkbaren Zwecke geeignet ist.The publication DE 24 54 471 A1 describes a covering for upholstered furniture, which consists at least partially of a shrinking material under heat. Such a material can be fixed in a simple manner without tension to the corresponding frame part of the upholstered furniture and then brought to a shrinkage by a heat treatment so that a tight-fitting clothing is achieved. After shrinking, the covering forms a taut, durable and, within certain limits, elastic covering suitable for all conceivable purposes.

Nachteilig bei einer solchen Bespannung ist, dass aufgrund des verwendeten schrumpfenden Materials die Elastizität der Bespannung stark begrenzt ist und damit der Komfort der Bespannung nicht an jenen der herkömmlichen Bespannungen ohne schrumpfendes Material heranreicht.The disadvantage of such a fabric is that due to the shrinking material used, the elasticity of the fabric is severely limited and thus the comfort of the fabric does not match that of the conventional fabrics without shrinking material.

GB 2 193 980 A beschreibt eine Textilie mit zwei Fäden mit unterschiedlichem Schrumpfungsverhalten. Beispielsweise wird ein Faden aus einem stark schrumpfenden Elastomer mit einem Band aus weniger stark schrumpfenden Polypropylen verwebt. Das Polypropylen ist nicht elastisch. GB 2 193 980 A describes a textile with two threads with different shrinkage behavior. For example, a thread made of a highly shrinking elastomer is interwoven with a band of less shrinking polypropylene. The polypropylene is not elastic.

JP 2005 255 255 beschreibt ebenfalls die Verwendung eines nicht elastischen Fadens und eines elastischen Fadens um eine Textilie herzustellen. JP 2005 255 255 also describes the use of a non-elastic thread and an elastic thread to make a textile.

US 4 761 321 A beschreibt eine Textilie mit einem hochschrumpfenden Faden mit hoher Elastizität und einem weniger schrumpfenden Faden. US 4,761,321 A describes a textile with a highly shrinking thread with high elasticity and a less shrinking thread.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Bespannung, insbesondere für Sitzmöbel oder Liegemöbel, anzugeben, welche sich einerseits durch eine besonders leichte Montierbarkeit auf einem Rahmen und dergleichen auszeichnet und andererseits den Komfort und besonders die Elastizität herkömmlicher nicht schrumpfender Bespannungen erreicht.The present invention has for its object to provide a fabric, in particular for seating or lounge furniture, which is characterized on the one hand by a particularly easy mountability on a frame and the like and on the other hand, the comfort and especially the elasticity of conventional non-shrinking fabrics reached.

Die erfindungsgemäße Aufgabe wird durch eine Bespannung mit den Merkmalen von Anspruch 1 sowie ein Verfahren zum Herstellen eines mit einer Bespannung versehenen Rahmens gemäß Anspruch 13 gelöst. In den abhängigen Ansprüchen sind vorteilhafte und besonders zweckmäßige Ausgestaltungen der Erfindung angegeben.The object of the invention is achieved by a covering with the features of claim 1 and a method for producing a fabricated frame according to claim 13. In the dependent claims advantageous and particularly expedient embodiments of the invention are given.

Eine erfindungsgemäße Bespannung, insbesondere in Form einer Bespannung für Sitzmöbel oder Liegemöbel, oder auch in Form einer Bespannung für ein Geländer, Zaun oder dergleichen, weist eine Textilie auf, die aus einem Verbund von Fäden besteht, die eine Fläche ausbilden. Man könnte demnach auch von einer flächigen Textilie sprechen. In der Regel bildet die Textilie jene Fläche aus, die - bei Verwendung für ein Sitzmöbel oder Liegemöbel - die Sitzfläche, Liegefläche und/oder Fläche einer Rückenlehne darstellt, oder - bei Verwendung als Sichtschutz an einem Zaun oder Geländer - die Sichtfläche ausbildet.A fabric according to the invention, in particular in the form of a covering for seating or reclining furniture, or in the form of a covering for a railing, fence or the like, has a textile which consists of a composite of threads forming a surface. One could therefore also speak of a flat textile. In general, the textile forms that surface which, when used for seating or reclining furniture, represents the seat, reclining surface and / or surface of a backrest or, when used as a privacy screen on a fence or railing, forms the viewing surface.

Erfindungsgemäß weist die Textilie wenigstens zwei, unter Wärmezufuhr schrumpfende Fäden auf, die sich hinsichtlich ihrer Elastizität und insbesondere auch hinsichtlich ihres Schrumpfverhaltens bei Wärmezufuhr voneinander unterscheiden. Die wenigstens zwei Fäden sind zur Ausbildung der Textilie gewebt, gewirkt oder gestrickt, entweder miteinander oder nebeneinander. Die Textilie kann ausschließlich aus diesen beiden Fäden beziehungsweise aus je einer Vielzahl der beiden Fäden bestehen, oder es können weitere Fäden aus einem oder mehreren anderen Materialien hinzugefügt sein.According to the invention, the textile has at least two threads shrinking under heat supply, which differ from one another with respect to their elasticity and in particular also with respect to their shrinkage behavior when heat is supplied. The at least two threads are woven, knitted or knitted to form the textile, either together or side by side. The textile may consist exclusively of these two threads or of a multiplicity of the two threads, or it may be added further threads of one or more other materials.

Besonders vorteilhaft ist die Textilie und damit die Bespannung bereits durch Wärmezufuhr bleibend geschrumpft worden. Durch eine solche Wärmezufuhr haben sich die Fäden entsprechend ihres Schrumpfverhaltens beziehungsweise ihres Schrumpfpotentials entsprechend verkürzt. Durch diese Schrumpfung beziehungsweise Verkürzung kann eine Vorspannung in der Bespannung erreicht werden, nachdem diese auf den zu bespannenden Gegenstand aufgezogen oder in diesen eingezogen worden ist.Particularly advantageous is the textile and thus the fabric has been shrunk by heat already lasting. By such a heat supply, the threads have shortened according to their shrinkage behavior or their shrinkage potential accordingly. By this shrinkage or shortening a bias in the fabric can be achieved after it has been wound on the object to be covered or drawn into this.

Besonders vorteilhaft ist die Textilie auch nach der Schrumpfung immer noch elastisch, insbesondere in Längsrichtung oder in Querrichtung oder in beide Richtungen.Particularly advantageously, the textile is still elastic even after the shrinkage, in particular in the longitudinal direction or in the transverse direction or in both directions.

Dadurch, dass zwei Fäden verschiedener Elastizität, nämlich ein erster unter Wärmzufuhr schrumpfender Faden, der insbesondere unelastisch ist oder eine sehr geringe Elastizität aufweist, und ein zweiter unter Wärmezufuhr schrumpfender Faden, der elastisch ist und gegenüber dem ersten Faden eine höhere Elastizität aufweist, in der Textilie zu einem Verbund zusammengefügt sind, wobei der zweite unter Wärmezufuhr schrumpfende Faden nach dem Schrumpfprozess seine Elastizität behält, kann die Härte der Federung der Textilie dem Einsatzzweck angepasst werden. Während in der Regel ein elastischer Faden keine ausreichende Kraft aufbauen kann, um einer starken Zugbelastung der Textilie zu widerstehen, beispielsweise um, bei Bespannung eines Sitzmöbels mit der Textilie eine schwere Person dauerhaft in einer angenehmen Position zu halten, kann durch die geringe Elastizität beziehungsweise die Unelastizität des ersten unter Wärmezufuhr schrumpfenden Fadens eine feste Begrenzung der Dehnung der Textilie unter Last eingebaut werden. Somit ist die Textilie auf der einen Seite elastisch und auf der anderen Seite in ihrem Verlängerungsweg zuverlässig begrenzt.Characterized in that two threads of different elasticity, namely a first under heat supply shrinking thread, which is particularly inelastic or a has very little elasticity, and a second heat-shrinking thread which is elastic and has a higher elasticity than the first thread, are joined together in the textile into a composite, wherein the second heat-shrinking thread retains its elasticity after the shrinking process the hardness of the suspension of the textile can be adapted to the intended use. While usually an elastic thread can not build up sufficient force to withstand a strong tensile load of the textile, for example, to hold a heavy person permanently in a comfortable position when covering a chair with the textile, can be characterized by the low elasticity or Inelasticity of the first heat shrinking thread a firm limitation of the stretching of the textile under load can be installed. Thus, the textile is elastic on one side and reliably limited on the other side in its extension path.

Der zweite Faden ist vorteilhaft sowohl vor seiner Schrumpfung als auch nach seiner Schrumpfung elastisch und weist insbesondere vor seiner Schrumpfung und nach seiner Schrumpfung dieselbe Elastizität auf.The second thread is advantageously elastic both before its shrinkage and after its shrinkage, and has the same elasticity especially before its shrinkage and after its shrinkage.

Der erste Faden und/oder der zweite Faden können zumindest zum größten Teil aus einem Polyester hergestellt sein, insbesondere mit einem Anteil von mehr als 98 Prozent. Auch eine hundertprozentige Ausführung aus einem Polyester kommt für den ersten Faden und/oder den zweiten Faden in Betracht.The first thread and / or the second thread can be made at least for the most part of a polyester, in particular with a share of more than 98 percent. A hundred percent execution of a polyester comes for the first thread and / or the second thread into consideration.

Der erste Faden besteht vorteilhaft zumindest zum größten Teil, insbesondere zu mehr als 98 Prozent oder 100 Prozent aus Polyethylenterephthalat (PET). Alternativ kommt beispielsweise auch Polybutylenterephzhalat (PBT) in Betracht. Der zweite Faden besteht vorteilhaft zumindest zum größten Teil, insbesondere zu mehr als 98 Prozent oder sogar zu 100 Prozent aus einem thermoplastischen Polyesterelastomer (TPE-E), insbesondere aus Polybutylenterephthalat-Copolymer.The first thread is advantageously at least for the most part, in particular more than 98 percent or 100 percent of polyethylene terephthalate (PET). Alternatively, for example, polybutylene terephthalate (PBT) into consideration. The second thread is advantageously at least for the most part, in particular more than 98 percent or even 100 percent of a thermoplastic polyester elastomer (TPE-E), in particular polybutylene terephthalate copolymer.

Der erste Faden und/oder der zweite Faden können derart ausgeführt sein, insbesondere durch Wahl der genannten Materialien, dass die Temperatur für das Auslösen der Schrumpfung 140 °C bis 160 °C beträgt. Von Vorteil ist es, wenn das Material bei dieser Temperatur nur einmal geschrumpft werden kann, sodass bei einer erneuten Aussetzung des Materials mit dieser Schrumpftemperatur keine Veränderung mehr eintritt.The first thread and / or the second thread can be designed in such a way, in particular by selecting the materials mentioned, that the temperature for triggering the shrinkage is 140 ° C to 160 ° C. It is advantageous if the material can be shrunk only once at this temperature, so that no change occurs at a renewed exposure of the material with this shrinkage temperature.

Wenn beide Fäden bei der genannten Temperatur, auf welche die Textilie gebracht wird, derselben prozentualen Schrumpfung unterliegen, kann eine Veränderung der Oberfläche der Textilie durch den Schrumpfprozess vermieden werden. Insbesondere steht kein Material über. Dies schließt nicht aus, dass der zweite Faden ein größeres Schrumpfpotential als der erste Faden aufweist. So ist es nämlich möglich, dieses über das Schrumpfpotential des ersten Fadens hinausgehende Schrumpfpotential nicht zu aktivieren, durch Begrenzung der Temperatur beim Schrumpfprozess.If both threads are subject to the same percentage shrinkage at the said temperature to which the textile is applied, a change in the surface of the textile can be avoided by the shrinking process. In particular, no material is over. This does not exclude that the second thread has a greater shrinkage potential than the first thread. In fact, it is possible not to activate this shrinking potential beyond the shrinkage potential of the first thread by limiting the temperature during the shrinking process.

Als Durchmesser für den ersten Faden und/oder den zweiten Faden kommen insbesondere 0,1 bis 0,6 mm in Betracht.As a diameter for the first thread and / or the second thread are in particular 0.1 to 0.6 mm into consideration.

Der zweite Faden kann einen gegenüber dem ersten Faden höheren Schrumpfwert und eine höhere Dehnung aufweisen.The second thread may have a higher shrinkage value and a higher elongation than the first thread.

Der erste Faden kann in der Textilie in einem Anteil gleich dem Anteil des zweiten Fadens pro Flächeneinheit vorgesehen sein. Alternativ sind abweichende Anteile möglich, insbesondere in einem Verhältnis von 20 : 80 bis 80 : 20. Dabei ist vom zweiten Faden vorteilhaft ein größerer Anteil im Verhältnis zum ersten Faden vorgesehen.The first thread may be provided in the textile in a proportion equal to the proportion of the second thread per unit area. Alternatively, deviating shares are possible, in particular in a ratio of 20:80 to 80:20. In this case, a larger proportion is advantageously provided by the second thread in relation to the first thread.

Als Fäden kommen sowohl monofile als auch multifile Fäden in Betracht.The threads are both monofilament and multifilament threads into consideration.

Insbesondere sind den Fäden, welche der Textilie die erfindungsgemäßen Eigenschaften verleihen, beliebige weitere textile Füllmaterialien beimischbar, sowohl in Form von künstlichen als auch natürlichen Materialien.In particular, the threads which impart the properties according to the invention to the textile can be mixed with any other textile filling materials, both in the form of artificial and natural materials.

Die Textilie kann eine Elastizität vorzugsweise in Längsrichtung oder in Querrichtung oder auch in beiden Richtungen aufweisen. Besonders vorteilhaft ist eine Elastizität in beiden Richtungen vorhanden, was auch als Bielastizität bezeichnet wird. Entweder ist die Textilie in beide Richtungen schrumpfend oder auch nur in eine Richtung schrumpfend ausgeführt, in Kombination mit der Elastizität in nur eine Richtung oder mit der genannten Bielastizität.The textile can have an elasticity preferably in the longitudinal direction or in the transverse direction or also in both directions. Particularly advantageous elasticity is present in both directions, which is also referred to as Bielastizität. Either the textile is shrinking in both directions or even shrinking in one direction only, in combination with the elasticity in only one direction or with the said Bielasticity.

Die Bespannung kann in Form eines Schlauches oder einer Haube über einen entsprechenden Rahmen oder dergleichen gezogen sein. Jedoch ist auch eine einflächige Fixierung, insbesondere mit Keder oder Kunststoffstreifen in einer Nut möglich. Auch andere mechanische Fixierungen, wie Klammern, Schrauben, Leisten und Ähnliches, kommen in Betracht.The fabric may be drawn in the form of a hose or a hood over a corresponding frame or the like. However, a single-surface fixation, in particular with piping or plastic strips in a groove is possible. Other mechanical fixations, such as brackets, screws, strips and the like, come into consideration.

Die Bespannung kann derart in ihrer Größe bemessen beziehungsweise hergestellt werden, dass sie ohne großen Kraftaufwand auf den Rahmen aufgebracht beziehungsweise in diesen eingebracht werden kann. Erst durch eine folgende Wärmebehandlung schrumpft die Textilie und erhält so die gewünschte Vorspannkraft und ihre Federwirkung. Die Wärmebehandlung kann dabei Beaufschlagen der Textilie mit Heißluft, Infrarot oder Ähnliches im Durchlaufverfahren oder in Form einer Einzelbehandlung umfassen.The fabric can be sized or made in such a size that it can be applied to the frame without much effort or introduced into this. Only by a subsequent heat treatment shrinks the textile and thus receives the desired biasing force and their spring action. The heat treatment may comprise applying the fabric with hot air, infrared or the like in a continuous process or in the form of a single treatment.

Die elastischen Eigenschaften der Textilie können über eine Variation der Fadenkomponenten, des Zuschnitts und/oder der Wärmebehandlung verändert werden.The elastic properties of the textile can be changed via a variation of the thread components, the blank and / or the heat treatment.

Ein erfindungsgemäßer Rahmen, insbesondere eines Sitz- oder Liegemöbels, weist eine Bespannung, wie zuvor beschrieben, auf, wobei die Bespannung im ungeschrumpften Zustand der Fäden auf den Rahmen aufgebracht beziehungsweise in diesen eingebracht ist, und die Schrumpfung erst danach durch Wärmezufuhr bewirkt wird, sodass die Bespannung auf dem Rahmen oder an dem Rahmen verspannt.An inventive frame, in particular a sitting or lying furniture, has a covering, as described above, wherein the fabric applied in the non-shrunk state of the threads on the frame or is introduced into this, and the shrinkage is only then caused by heat, so that the fabric tensioned on the frame or on the frame.

Ein Verfahren zum Herstellen eines mit einer Bespannung versehenen Rahmens, insbesondere eines Sitz- oder Liegemöbels, weist den Schritt des Bereitstellens einer erfindungsgemäßen Bespannung und das Einziehen oder Überziehen derselben in den oder auf den Rahmen auf, gefolgt von dem Zuführen von Wärme in die Textilie, sodass die Fäden schrumpfen und die Textilie beziehungsweise die Bespannung auf dem oder an dem Rahmen verspannt.A method of making a stringed frame, in particular a sitting or lying furniture, comprises the step of providing a fabric according to the invention and drawing it or covering it in or on the frame, followed by applying heat to the fabric, so that the threads shrink and strained the fabric or the fabric on or on the frame.

Die Erfindung soll nachfolgend anhand eines Ausführungsbeispiels exemplarisch beschrieben werden.The invention will be described below by way of example with reference to an embodiment.

In der Figur 1 ist schematisch ein Rahmen 1 eines Sitzmöbels dargestellt, der mit einer gemäß einem Ausführurigsbeispiel der Erfindung ausgestalteten Bespannung versehen werden soll. Hierzu weist der Rahmen eine T-Nut 3 in zwei entgegengesetzt zueinander angeordneten Rahmenteilen auf, mit welcher die beiden äußeren Enden der Bespannung am Rahmen 1 fixiert werden, beispielsweise mittels den exemplarisch dargestellten Leisten 4, die in Schlaufen 5 der Bespannung 2 geführt sind.In the FIG. 1 schematically a frame 1 of a chair is shown, which is to be provided with a designed according to a Ausführurigsbeispiel of the invention covering. For this purpose, the frame has a T-slot 3 in two oppositely arranged frame parts, with which the two outer ends of the fabric are fixed to the frame 1, for example by means of the example shown strips 4, which are guided in loops 5 of the fabric 2.

Die Bespannung 2 wird zunächst lose, das heißt ohne oder im Wesentlichen ohne Vorspannung in den Rahmen 1 eingefügt und dort gegen Herausrutschen aus der T-Nut-3 fixiert. Anschließend wird ein Wärmeeintrag in die Bespannung 2 erzeugt. Dieser Wärmeeintrag führt dazu, dass zumindest die in der Bespannung 2 vorgesehenen ersten Fäden 6 sich durch Schrumpfung verkürzen und somit eine Vorspannung in der im Rahmen 1 fixierten Bespannung 2 erzeugen. Die zweiten Fäden 7, welche ebenfalls in der Bespannung 2 enthalten sind und ein geringeres Schrumpfungspotential als die ersten Fäden 6 aufweisen, schrumpfen stärker oder nur weniger als die ersten Fäden 6. Zugleich weisen die zweiten Fäden 7 eine größere Elastizität auf als die ersten Fäden 6, was dazu führt, dass die Bespannung 2 auch im geschrumpften Zustand die gewünschte Elastizität aufweist. Alternativ ist es möglich, dass die zweiten Fäden 7 im selben Ausmaß schrumpfen wie die ersten Fäden 6.The fabric 2 is initially loose, that is inserted without or substantially without bias in the frame 1 and fixed there against slipping out of the T-slot-3. Subsequently, a heat input is generated in the fabric 2. As a result of this heat input, at least the first threads 6 provided in the covering 2 are shortened due to shrinkage and thus produce a prestressing in the fabric 2 fixed in the frame 1. The second threads 7, which are also included in the fabric 2 and have a lower shrinkage potential than the first threads 6, shrink more or less than the first threads 6. At the same time, the second threads 7 have a greater elasticity than the first threads. 6 , which causes the Covering 2 also has the desired elasticity in the shrunken state. Alternatively, it is possible for the second threads 7 to shrink to the same extent as the first threads 6.

Somit ist es möglich, die Bespannung 2 ohne größeren Kraftaufwand in den Rahmen 1 einzubringen, dort zu fixieren und anschließend die gewünschte Vorspannung und Elastizität durch Wärmebeaufschlagung der Bespannung 2, wodurch diese in ihre endgültige Form übergeht, zu erreichen.Thus, it is possible to introduce the fabric 2 without much effort in the frame 1, there to fix and then achieve the desired bias and elasticity by applying heat to the fabric 2, whereby this goes into its final form.

Claims (14)

  1. A cover (2), in particular for sitting furniture or reclining furniture,
    with a textile, which is woven, warp-knitted or weft-knitted of a compound of threads (6, 7) and forms a surface; whereas
    the compound of threads (6, 7) comprises a first thread (6) shrinking when heat is applied; whereas
    the compound of threads (6, 7) comprises a second thread (7) shrinking when heat is applied, which is elastic, with an increased elasticity with respect to the elasticity of the first thread (6) shrinking when heat is applied, characterised in that the second thread (7) is subjected at the same shrinkage temperature to a smaller or to the same proportional shrinkage as the first thread (6).
  2. A cover (2) according to claim 1, characterised in that the first thread (6) shrinking when heat is applied is non-elastic.
  3. A cover (2) according to one of claims 1 or 2, characterised in that the second thread (7) is elastic before and after its shrinkage, in particular exhibits the same elasticity.
  4. A cover (2) according to one of claims 1 to 3, characterised in that the first and/or the second thread (6, 7) is made at least mostly of a polyester.
  5. A cover (2) according to claim 4, characterised in that the first thread (6) is made at least mostly of polyethylene terephthalate.
  6. A cover (2) according to one of claims 4 or 5, characterised in that the second thread (7) is made at least mostly of a thermoplastic polyester elastomer, in particular of a polybutylene terephthalate copolymer.
  7. A cover (2) according to one of claims 1 to 6, characterised in that the textile is durably shrunk by the application of heat.
  8. A cover (2) according to one of claims 1 to 7, characterised in that the textile is elastic after shrinkage, in particular in longitudinal direction and/or transversal direction.
  9. A cover (2) according to one of claims 1 to 8, characterised in that the portion of the first thread (6) in the textile is identical to the portion of the second thread (7) per unit area.
  10. A cover (2) according to one of claims 1 to 8, characterised in that the portion of the first thread (6) in the textile differs from the portion of the second thread (7) per unit area, in particular in the ratio of 20:80 to 80:20.
  11. A cover (2) according to one of claims 1 to 10, characterised in that a filling material is added to the threads (6, 7) for obtaining the textile.
  12. A cover (2) according to one of claims 1 to 11, characterised in that the second thread (7) has a proportionally larger shrinkage potential than the first thread (6).
  13. A frame (1), in particular of sitting or reclining furniture,
    13.1 fitted with a cover (2) according to one of the claims 1 to 12, characterised in that
    13.2 the cover (2) is applied in unshrunk condition of the threads (6, 7) to the frame (1) or is inserted into said frame and subsequently is prestressed by the application of heat and shrinkage or on against said frame (1).
  14. A method for manufacturing a frame (1) fitted with a cover (2), in particular of sitting or reclining furniture, of a cabinet door or of a partition, with the following steps:
    14.1 Providing a cover (2) according to one of the clams 1 to 12,
    14.2 Pulling in or pulling on the cover (2) in or on the frame (1);
    14.3 Application of heat into the textile, so that the threads (6, 7) shrink and are pre-stressed on or against the frame (1).
EP10014233.0A 2009-11-04 2010-11-03 Cover for seats or beds Not-in-force EP2319967B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10014233T PL2319967T3 (en) 2009-11-04 2010-11-03 Cover for seats or beds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009051867A DE102009051867A1 (en) 2009-11-04 2009-11-04 Covering, in particular for sitting or lying furniture

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EP2319967A1 EP2319967A1 (en) 2011-05-11
EP2319967B1 true EP2319967B1 (en) 2015-08-12

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USD889152S1 (en) 2018-06-05 2020-07-07 Herman Miller, Inc. Chair

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DE102009051867A1 (en) 2011-05-05
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