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EP0126798A1 - Seat, in particular a vehicle-seat - Google Patents

Seat, in particular a vehicle-seat Download PDF

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Publication number
EP0126798A1
EP0126798A1 EP83105376A EP83105376A EP0126798A1 EP 0126798 A1 EP0126798 A1 EP 0126798A1 EP 83105376 A EP83105376 A EP 83105376A EP 83105376 A EP83105376 A EP 83105376A EP 0126798 A1 EP0126798 A1 EP 0126798A1
Authority
EP
European Patent Office
Prior art keywords
seat
seat according
foam core
grooves
air
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
Application number
EP83105376A
Other languages
German (de)
French (fr)
Other versions
EP0126798B1 (en
Inventor
Hubert von Blücher
Hasso von Blücher
Ernest Dr. De Ruiter
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Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE19813147610 priority Critical patent/DE3147610A1/en
Application filed by Individual filed Critical Individual
Priority to AT83105376T priority patent/ATE28972T1/en
Priority to EP83105376A priority patent/EP0126798B1/en
Priority to DE8383105376T priority patent/DE3373054D1/en
Publication of EP0126798A1 publication Critical patent/EP0126798A1/en
Application granted granted Critical
Publication of EP0126798B1 publication Critical patent/EP0126798B1/en
Expired legal-status Critical Current

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Classifications

    • 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
    • A47C7/18—Seat parts having foamed material included in cushioning part
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
    • A47C27/144—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities inside the mattress or cushion
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/22—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with both fibrous and foamed material inlays
    • 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
    • A47C7/62—Accessories for chairs
    • A47C7/72—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like
    • A47C7/74—Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling

Definitions

  • the invention relates to a seat, in particular a vehicle seat, with a foam core and a cover material.
  • Mandhmal is backed with a layer of an open-pore soft foam that is just a few millimeters thick.
  • Such seat constructions have been known for many years, particularly for use in motor vehicles, and can be produced relatively easily and inexpensively.
  • a major disadvantage of such seat constructions is, however, that when a person sits down on them, the so-called "heat build-up" phenomenon often occurs. Humans usually release excess body heat through the evaporation of water, which normally already occurs in the skin. However, the water vapor produced must then be easy to remove in order to avoid heat build-up and not to impair the well-being of the person concerned. Otherwise the air layers close to the body become saturated, the excess body heat is accumulated and the sweat soaks the laundry while feeling uncomfortably moist heat.
  • the open-pore foam is compressed under load (when a person has taken a seat on a seat) in such a way that the open-pore and air-permeable material is compressed into a closed layer, which makes further water vapor transport very difficult or even completely impossible.
  • the foam lamination of the textile covering material is already sufficient for this phenomenon.
  • seats which enable significantly better water vapor transport.
  • These are the previously used spring seats, on which a mat, for example made of rubber hair, is arranged, which not only has a relatively good elasticity, but is also particularly permeable to air and thus water vapor.
  • a textile cover material In such seat arrangements covered with a textile cover material, the excess body heat in the form of water vapor can be easily removed through the cover material and the rubber hair layer as well as via the free spring core space.
  • the main disadvantage of such seats is their complex construction, which is too cost-intensive, especially for mass-produced items such as vehicle seats. For this reason, for example, almost all automobile manufacturers install the seats described at the beginning with a foam core and an outer material, which may be lined with foam, in their vehicles.
  • the invention has for its object to provide a seat of the type mentioned with a foam core and a coating material that allows both a removal of the body heat released easily, and is inexpensive to manufacture and can be used for mass articles.
  • a seat according to the invention is characterized by the features of the main claim.
  • “seat” is understood to mean any type of seat.
  • a seat construction according to the invention is particularly suitable for seats in which people have to sit for long periods of time and for seats which have a backrest, in which therefore there is a particularly large contact area with the human body and in which, in known seats, "heat accumulation" is particularly common were observed.
  • These primarily include car seats, seats for public transport, airplanes, but also seats for cinemas, theaters, congress halls or seats in private households.
  • “seat surface” is understood to mean the sides of a seat or a seat construction facing the user, that is to say in particular the sides facing the user of the mostly horizontal or slightly inclined base region of a seat, the back and side rests.
  • a seat according to the invention is subjected to a transport route after mechanical stress (in particular compression) by a person taking a seat, in particular for keep the water vapor released into the seat clear by not fully closing the grooves and / or channels even after mechanical stress on the seat.
  • the choice of the width and depth of the grooves or channels is made depending on the foam material used and the loads to be expected.
  • the foam core can consist of various open or closed-pore foam materials, such as polyvinyl chloride, polyurethane or polyethylene and similar foam materials, but it must have a more or less strong elasticity depending on the intended use.
  • closed-pore materials can also be used without any problems compared to the known seat arrangements, because not the foam core material, but in particular the grooves or channels, ensure that the water vapor released into the seat is transported away.
  • the seat namely the seat and / or the backrest
  • forced ventilation which forcibly controls the air circulation in the grooves or channels by blowing or sucking and thus ensures optimal removal of any moisture or air.
  • temperature-controlled air for the forced ventilation, which can be done in a simple manner, for example when using such a seat in automobiles or aircraft, by connecting to the ventilation or air conditioning system.
  • the known fault-prone heating wires in the seat can be dispensed with.
  • the grooves advantageously run in a straight line and continuously on the foam core surface. Depending on the area of application of the seat, the grooves only need over to run part of the foam core surface. However, the grooves advantageously extend over the entire surface, so that even if the user is in an off-center sitting position, the removal of any water vapor that is produced is ensured.
  • the foam core is surrounded on the sides approximately perpendicular to the seat surface by a frame which, in one embodiment of the seat according to the invention, has openings with grooves extending the grooves.
  • This frame advantageously extends beyond the surface of the foam core, so that a central recess is formed which is suitable for partially or completely receiving the air and water vapor permeable cover layer.
  • the frame not only serves to mechanically stabilize the seat in the edge area, but can also serve as a receiving frame for the air and water vapor permeable cover layer, so that the assembly of such a seat is particularly simple.
  • Rubber hair has proven to be particularly suitable as a covering layer which is arranged over the grooves.
  • Rubber hair is a composite material consisting of a natural or synthetic fiber and a binder based on latexes and which is used for various purposes, e.g. as packaging material, .. is used. Rubber hair has a high air permeability, which is easily maintained even under load. Rubber hair is also particularly suitable because a particularly elastic material is to be used as the covering layer, which increases the seating comfort. The excellent elastic behavior of the rubber hair also ensures good pressure distribution over the surface. Guin hair plates are preferably used, which are inserted as such over the entire surface of the foam core or into the recess formed by an optionally arranged frame.
  • the covering material placed around the foam core and the covering layer must be permeable to air. While woolen fabrics are particularly comfortable, they are only used for the seats of expensive cars, buses or airplanes for cost reasons. For standard seats, the abrasion resistance of the outer fabric is more important.
  • a conventional air-permeable covering material for example woolen fabric, is underlaid with a very air-permeable fleece, preferably a few millimeters thick.
  • a fleece is a moisture-storing and moisture-permeable one Material such as rayon or dunova, which have a coarser structure that is sufficient to remove body moisture.
  • hydrophilic binders can be mixed with the nonwoven material for reinforcement.
  • a seat according to the invention is designed in such a way that the multilayer structure has a water vapor permeability of at least 10ooo g / m 2 . Has 24 h, so that "heat build-up" can be reliably prevented.
  • FIG. 1 shows: Perspectively a car seat according to the invention in which the basic area is partially cut open.
  • Figure 2 schematically shows a section through an inventive seat element.
  • the foam core 4 with the grooves 9 and the frame 6 'with the openings 1o has been produced as a molded part in one operation, which makes production very simple and inexpensive.
  • the design of a frame 6 has several advantages. On the one hand, this mechanically reinforces the entire construction. On the other hand, it is avoided that the grooves 9 run out freely at the ends, as a result of which the lower stability of such grooves in the end region prevents the risk of closure, if a person loads the seat off-center. Furthermore, the insertion of, for example, a rubber hair mat or plate 11 into the recess 12 formed by the frame 6 is facilitated by the raised frame 6.
  • the air and water vapor permeable layer or plate only needs to be inserted into the depression 12, which is particularly simple.
  • the foam core 4 and the rubber hair plate 11 inserted into the depression 12 are surrounded on all sides by a woolen fabric 14 which is underlaid with a fleece 13 of cellulose and glued in a punctiform manner, the fleece 13 being mixed with a hydrophilic binder.
  • the backrest 3 is constructed in the same way as the base region 2, the grooves 9 or the openings 10 in the exemplary embodiment shown in the drawing running from left to right, that is to say parallel to the grooves 9 of the base region 2, as a result of which the removal paths for any Water vapor released into the seat is particularly short.
  • the vehicle seat shown in FIG 1 has a water vapor permeability of more than l o.ooo g / m 2 24 h, whereby heat accumulation can be reliably prevented by discharged into the seat steam.
  • the latter can also have channels which are guided through the foam core and, like the grooves, for the removal of moisture or water vapor . serve.
  • the seat in the case of particularly high-quality seat constructions (for pilots, for example), can be provided with forced ventilation, which forcibly controls the air circulation in the grooves (9) or channels by blowing or sucking and thus ensures optimal removal of any moisture or air .
  • the forced ventilation can also be directly connected to the ventilation or air conditioning system, which additionally results in the possibility of a temperature-controlled seat.

Landscapes

  • Seats For Vehicles (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

1. Seat with a foam core (4) and a covering material (14), in which a substantial part of the side of the foam core (4) facing the seat surface (5) is covered with a layer (11) of (natural or synthetic rubberised hair which is permeable to air and water vapour, and in which grooves (9) and/or channels run from this side of the foam core (4), which extend to one or more of the remaining outer surfaces of the foam core (4), the grooves (9) and/or channels still permitting a transport of air and water vapour after compression of the foam core material which is used, characterized in that the layer (11) which is permeable to air and water vapour is constructed as a mat or sheet of rubberised hair inserted in a frame (6) extending along the sides running approximately normal to the seat surface, with the formation of a central depression (12), beyond the side of the foam core which faces the seat surface (5).

Description

Die Erfindung betrifft einen Sitz,.insbesondere Fahrzeugsitz, mit einem Schaumkern und einem Oberzugsmaterial. Mandhmal ist der Oberstoff noch mit einer wenige Millimeter dicken Schicht eines offenporigen Weichschaumstoffs unterlegt.The invention relates to a seat, in particular a vehicle seat, with a foam core and a cover material. Mandhmal is backed with a layer of an open-pore soft foam that is just a few millimeters thick.

Derartige Sitzkonstruktionen sind seit vielen Jahren, insbesondere zum Einsatz in Kraftfahrzeugen bekannt und lassen sich relativ leicht und preiswert herstellen. Ein wesentlicher Nachteil derartiger Sitzkonstruktionen besteht jedoch darin, daß es, wenn eine Person darauf platz-nimmt, häufig zu dem sogenannten Phänomen des "Hitzestaus" kommt. Der Mensch gibt.überschüssige Körperwärme in der Regel durch Verdunstung von Wasser, die normalerweise bereits in der Haut geschieht, ab. Der produzierte Wasserdampf muß dann jedoch leicht abführbar sein, um einen Hitzestau zu vermeiden und das Wohlbefinden der jeweiligen Person nicht zu beeinträchtigen. Ansonsten kommt es schnell zu einer Sättigung der körpernahen Luftschichten, die überschüssige Körperwärme wird gestaut und der Schweiß nässt die Wäsche bei gleichzeitigem Gefühl unangenehm feuchter Wärme.Such seat constructions have been known for many years, particularly for use in motor vehicles, and can be produced relatively easily and inexpensively. A major disadvantage of such seat constructions is, however, that when a person sits down on them, the so-called "heat build-up" phenomenon often occurs. Humans usually release excess body heat through the evaporation of water, which normally already occurs in the skin. However, the water vapor produced must then be easy to remove in order to avoid heat build-up and not to impair the well-being of the person concerned. Otherwise the air layers close to the body become saturated, the excess body heat is accumulated and the sweat soaks the laundry while feeling uncomfortably moist heat.

Die eingangs beschriebenen Sitze erfüllen diese Bedingung eines kontinuierlichen Abtransportes des entstehenden Wasserdampfes nicht oder nur unzureichend. Bei Sitzkonstruktionen mit einem Überzugsmaterial aus Kunststoff ist dies nicht unerwartet,. weil Kunststoffmaterialien aufgrund ihrer bekannten, geringen Wasserdampfdurchlässigkeit zwangsweise zu Hitzestaus führen müssen. Aber auch bekannte Sitzkonstruktionen, bei denen ein offenporiger und an sich wasserdampfdurchlässiger Schaumkern von einem textilen Überzugsmaterial abgedeckt ist, das ebenfalls für sich genommen eine gute Luft- und Wasserdampfdurchlässigkeit aufweist, können das Phänomen des "Hitzestaus" nicht verhindern. Dies war zunächst unerwartet, ist jedoch durchaus erklärbar. Der offenporige Schaumstoff wird unter Belastung (wenn eine Person auf einem Sitz platz-genommen hat) so komprimiert, daß das an sich offenporige und luftdurchlässige Material zu einer geschlossenen Schicht gestaucht wird, die einen weiteren Wasserdampftransport sehr stark erschwert oder sogar gänzlich verhindert. Für dieses Phänomen genügt auch bereits die Schaumstoffkaschierung des textilen überzugsmaterials.The seats described in the introduction do not meet this condition of continuous removal of the water vapor produced, or do so only inadequately. This is not unexpected for seat constructions with a plastic cover material. because plastic materials must inevitably lead to heat build-up due to their known, low water vapor permeability. But also known seat constructions, at Those who have an open-pored and water vapor-permeable foam core covered by a textile covering material, which also has a good air and water vapor permeability, can not prevent the phenomenon of "heat build-up". At first this was unexpected, but it can be explained. The open-pore foam is compressed under load (when a person has taken a seat on a seat) in such a way that the open-pore and air-permeable material is compressed into a closed layer, which makes further water vapor transport very difficult or even completely impossible. The foam lamination of the textile covering material is already sufficient for this phenomenon.

Neben diesen heute weitestgehend aus Kostengründen verwendeten Sitzkonstruktionen sind auch Sitze bekannt, die einen deutlich besseren Wasserdampftransport ermöglichen. Hierbei handelt es sich um die früher bereits verwendeten Federkernsitze, auf denen eine Matte, beispielsweise aus Gummihaar, angeordnet ist, die nicht nur eine relativ gute Elastizität aufweist, sondern auch in besonderem Maße luft- und damit wasserdampfdurchlässig ist. Bei derartigen, mit einem textilen überzugsmaterial bezogenen Sitzanordnungen, kann die überschüssige Körperwärme in Form von Wasserdampf durch das überzugsmaterial und die Gummihaarschicht sowie über den freien Federkernraum ohne weiteres abtransportiert werden. Der wesentliche Nachteil derartiger Sitze ist jedoch ihre aufwendige Konstruktion, die insbesondere für Massenartikel, wie Fahrzeugsitze, zu kostenintensiv ist. Aus diesem Grunde bauen beispielsweise nahezu alle Automobilhersteller die eingangs beschriebenen Sitze mit einem Schaumkern und einem ggf. mit Schaumstoff unterlegten Oberstoff in ihre Fahrzeuge ein.In addition to these seat constructions, which are used today largely for reasons of cost, seats are also known which enable significantly better water vapor transport. These are the previously used spring seats, on which a mat, for example made of rubber hair, is arranged, which not only has a relatively good elasticity, but is also particularly permeable to air and thus water vapor. In such seat arrangements covered with a textile cover material, the excess body heat in the form of water vapor can be easily removed through the cover material and the rubber hair layer as well as via the free spring core space. The main disadvantage of such seats, however, is their complex construction, which is too cost-intensive, especially for mass-produced items such as vehicle seats. For this reason, for example, almost all automobile manufacturers install the seats described at the beginning with a foam core and an outer material, which may be lined with foam, in their vehicles.

Der Erfindung liegt die Aufgabe zugrunde, einen Sitz der eingangs genannten Art mit einem Schaumkern und einem Überzugsmaterial zur Verfügung zu stellen, der sowohl einen Abtransport der freiwerdenden Körperwärme ohne weiteres ermöglicht, als auch kostengünstig herstellbar ist und für Massenartikel eingesetzt werden kann.The invention has for its object to provide a seat of the type mentioned with a foam core and a coating material that allows both a removal of the body heat released easily, and is inexpensive to manufacture and can be used for mass articles.

Ein erfindungsgemäßer Sitz ist durch die Merkmale des Hauptanspruchs gekennzeichnet. Erfindungsgemäß wird unter "Sitz" jede Art von Sitzen verstanden. Besonders geeignet ist eine erfindungsgemäße Sitzkonstruktion für Sitze, in denen Personen über längere Zeit sitzen müssen und für Sitze, die eine Rückenlehne aufweisen, bei denen also eine besonders große Berührungsfläche mit dem menschlichen Körper gegeben ist und bei denen bei bekannten Sitzen besonders häufig "Hitzestaus" zu beobachten waren. Hierzu gehören vor allem Autositze, Sitze für öffentliche Verkehrsmittel, Flugzeuge, aber auch Sitze für Kinos, Theater, Kongress-Säle oder Sitze in privaten Haushalten.A seat according to the invention is characterized by the features of the main claim. According to the invention, “seat” is understood to mean any type of seat. A seat construction according to the invention is particularly suitable for seats in which people have to sit for long periods of time and for seats which have a backrest, in which therefore there is a particularly large contact area with the human body and in which, in known seats, "heat accumulation" is particularly common were observed. These primarily include car seats, seats for public transport, airplanes, but also seats for cinemas, theaters, congress halls or seats in private households.

Unter "Sitzfläche" werden erfindungsgemäß die dem Benutzer zugewandten Seiten eines Sitzes bzw. einer Sitzkonstruktion verstanden, also insbesondere die dem Benutzer zugewandten Seiten des meist horizontal oder leicht geneigten Grundbereichs eines Sitzes, der Rücken- und Seitenlehnen.According to the invention, “seat surface” is understood to mean the sides of a seat or a seat construction facing the user, that is to say in particular the sides facing the user of the mostly horizontal or slightly inclined base region of a seat, the back and side rests.

Aufgrund der Anordnung von Rillen bzw. Kanälen, die auf der der Sitzfläche zugewandten Seite des Schaumstoffkerns bzw. von dieser Fläche aus durch den Schaumstoffkern verlaufen wird bei einem erfindungsgemäßen Sitz nach mechanischer Belastung (insbesondere Kompression) durch eine platznehmende Person noch ein Transportweg, insbesondere für den in den Sitz abgegebenen Wasserdampf freigehalten, indem die Rillen und/oder Kanäle auch nach mechanischer Belastung des Sitzes nicht vollständig geschlossen werden. Die Wahl der Breite und Tiefe der Rillen bzw. Kanäle erfolgt dabei in Abhängigkeit von dem verwendeten Schaumstoffmaterial und den zu erwartenden Belastungen.Due to the arrangement of grooves or channels which run on the side of the foam core facing the seat surface or from this surface through the foam core, a seat according to the invention is subjected to a transport route after mechanical stress (in particular compression) by a person taking a seat, in particular for keep the water vapor released into the seat clear by not fully closing the grooves and / or channels even after mechanical stress on the seat. The choice of the width and depth of the grooves or channels is made depending on the foam material used and the loads to be expected.

Der Schaumkern kann aus verschiedenen offen- oder geschlossenporigen Schaummaterialien, wie Polyvinylchlorid, Polyurethan oder Polyäthylen sowie ähnlichen Schaummaterialien bestehen, er muß jedoch je nach Verwendungszweck eine mehr oder weniger starke Elastizität aufweisen. Erfindungsgemäß können gegenüber den bekannten Sitzanordnungen also auch ohne weiteres geschlossenporige Materialien verwendet werden, weil nicht das Schaumkernmaterial, sondern insbesondere die Rillen bzw. Kanäle für einen Abstransport des in den Sitz abgegebenen Wasserdampfes sorgen.The foam core can consist of various open or closed-pore foam materials, such as polyvinyl chloride, polyurethane or polyethylene and similar foam materials, but it must have a more or less strong elasticity depending on the intended use. According to the invention, closed-pore materials can also be used without any problems compared to the known seat arrangements, because not the foam core material, but in particular the grooves or channels, ensure that the water vapor released into the seat is transported away.

Diese werden bei ein und demselben Schaumstoffmaterial, z.B. für einen Autokindersitz, kleiner sein als bei einem Fahrzeugsitz, weil die zu erwartenden mechanischen Belastungen bei ersterem sicher geringer sind. Andererseits werden die Rillen bzw. Kanäle bei einem weicheren Schaummaterial größer sein als bei einem festen, weil ersteres bei gleicher Belastung stärker zusammengedrückt wird.These are used for the same foam material, e.g. for a child car seat, be smaller than a vehicle seat, because the mechanical loads to be expected are certainly lower in the former. On the other hand, the grooves or channels will be larger in the case of a softer foam material than in the case of a firm one, because the former is compressed more under the same load.

Vorteilhaft wird der Sitz, und zwar die Sitzfläche und/ oder die Rückenlehne, mit einer Zwangsbelüftung versehen, die durch Blasen oder Saugen die Luftzirkulation in den Rillen bzw. Kanälen zwangsweise steuert und damit für einen optimalen Abtransport jedweder Feuchtigkeit oder Luft sorgt. Zweckmäßig wird für die Zwangsbelüftung temperierbare Luft verwendet, was beispielsweise bei der Verwendung eines derartigen Sitzes in Automobilen oder Flugzeugen in einfacher Weise durch Anschluß an die Belüftung oder Klimaanlage erfolgen kann. Bei dieser Art der Beheizung des Sitzes kann auf die bekannten störungsanfälligen Heizdrähte im Sitz verzichtet werden.Advantageously, the seat, namely the seat and / or the backrest, is provided with forced ventilation, which forcibly controls the air circulation in the grooves or channels by blowing or sucking and thus ensures optimal removal of any moisture or air. It is useful to use temperature-controlled air for the forced ventilation, which can be done in a simple manner, for example when using such a seat in automobiles or aircraft, by connecting to the ventilation or air conditioning system. With this type of heating of the seat, the known fault-prone heating wires in the seat can be dispensed with.

Vorteilhafterweise verlaufen die Rillen geradlinig und durchgehend auf der Schaumkernoberfläche. Je nach Anwendungsbereich des Sitzes brauchen die Rillen nur über einen Teil der Schaumkernoberfläche zu verlaufen. Vorteilhafterweise erstrecken sich die Rillen jedoch über die gesamte Oberfläche, so daß auch bei einer außermittigen Sitzposition des Benutzers der Abtransport von etwaig produziertem Wasserdampf gewährleistet ist.The grooves advantageously run in a straight line and continuously on the foam core surface. Depending on the area of application of the seat, the grooves only need over to run part of the foam core surface. However, the grooves advantageously extend over the entire surface, so that even if the user is in an off-center sitting position, the removal of any water vapor that is produced is ensured.

In der mit Kanälen versehenen Version verlaufen diese von der der Sitzfläche zugewandten Seite des Schaumkerns aus durch diesen bis zu dessen übrigen Außenflächen, wobei eine zur Sitzfläche senkrechte Anordnung besonders günstig ist.In the version provided with channels, these run from the side of the foam core facing the seat surface through this to its other outer surfaces, an arrangement perpendicular to the seat surface being particularly favorable.

In einer besonders vorteilhaften Ausgestaltung der Erfindung ist der Schaumkern an den etwa senkrecht zur Sitzfläche verlaufenden Seiten von einem Rahmen umgeben, der bei einer Ausführungsform des erfindungsgemäßen Sitzes mit Rillen in Verlängerung der Rillen öffnungen aufweist. Dieser Rahmen erstreckt sich vorteilhafterweise über die Oberfläche des Schaumkerns hinaus, so daß eine mittige Vertiefung ausgebildet wird, die zur teilweisen oder vollständigen Aufnahme der luft- und wasserdampfdurchlässigen Abdeckschicht geeignet ist. Der Rahmen dient insoweit nicht nur einer mechanischen Stabilisierung des Sitzes im Randbereich, sondern kann gleichzeitig als Aufnahmerahmen für die luft- und wasserdampfdurchlässige Abdeckschicht dienen, so daß die Montage eines derartigen Sitzes besonders einfach ist.In a particularly advantageous embodiment of the invention, the foam core is surrounded on the sides approximately perpendicular to the seat surface by a frame which, in one embodiment of the seat according to the invention, has openings with grooves extending the grooves. This frame advantageously extends beyond the surface of the foam core, so that a central recess is formed which is suitable for partially or completely receiving the air and water vapor permeable cover layer. The frame not only serves to mechanically stabilize the seat in the edge area, but can also serve as a receiving frame for the air and water vapor permeable cover layer, so that the assembly of such a seat is particularly simple.

Als Abdeckschicht, die über den Rillen angeordnet ist, hat sich Gummihaar als besonders geeignet erwiesen. Bei Gummihaar handelt es sich um ein Verbundmaterial, das aus einer Natur- oder Kunstfaser und einem Bindemittel auf der Basis von Latices besteht und das für verschiedene Anwendungszwecke, z.B. als Verpackungsmaterial,..verwendet wird. Gummihaar besitzt eine hohe Luftdurchlässigkeit, die auch unter Belastung ohne weiteres erhalten bleibt. Gummihaar ist auch deshalb besonders geeignet, weil als Abdeckschicht ein besonders elastisches Material verwendet werden soll, das den Sitzkomfort erhöht. Durch das ausgezeichnete elastische Verhalten des Gummihaars wird auch eine gute Druckverteilung über die Fläche erreicht. Vorzugsweise werden Guinmihaarplatten verwendet, die als solche über die gesamte Oberfläche des Schaumstoffkerns, bzw. in die durch einen gegebenenfalls angeordneten Rahmen gebildete Vertiefung eingesetzt werden.Rubber hair has proven to be particularly suitable as a covering layer which is arranged over the grooves. Rubber hair is a composite material consisting of a natural or synthetic fiber and a binder based on latexes and which is used for various purposes, e.g. as packaging material, .. is used. Rubber hair has a high air permeability, which is easily maintained even under load. Rubber hair is also particularly suitable because a particularly elastic material is to be used as the covering layer, which increases the seating comfort. The excellent elastic behavior of the rubber hair also ensures good pressure distribution over the surface. Guin hair plates are preferably used, which are inserted as such over the entire surface of the foam core or into the recess formed by an optionally arranged frame.

Die Gummihaarschicht oder ein ähnlich geeignetes Material soll vorzugsweise eine Dicke zwischen 1 und 8 cm, je nach Anwendungszweck und mechanischer Belastung, aufweisen.The rubber hair layer or a similarly suitable material should preferably have a thickness between 1 and 8 cm, depending on the application and mechanical stress.

Das um den Schaumstoffkern und die Abdeckschicht gelegte Überzugsmaterial muß luftdurchlässig sein. Wollstoffe sind zwar besonders angenehm, werden aus Kostengründen aber nur für die Sitze von teuren Wagen, Bussen oder Flugzeugenverwendet. Für Seriensitze kommt es mehr auf die Abriebfestigkeit des Oberstoffs an. Erfindungsgemäß wird ein übliches luftdurchlässiges überzugsmaterial, z.B. Wollstoff, mit einem sehr luftdurchlässigen Vlies, vorzugsweise von einigen Millimeter Dicke, unterlegt. Als Vlies eignet sich insbesondere ein feuchtigkeitsspeicherndes und feuchtigkeitsdurchlässiges Material, wie Zellwolle oder Dunova, die eine gröbere Struktur aufweisen, die ausreicht, um die Körperfeuchtigkeit abzuführen. Zur Verstärkung können erfindungsgemäß hydrophile Binder mit dem Vliesmaterial vermischt werden.The covering material placed around the foam core and the covering layer must be permeable to air. While woolen fabrics are particularly comfortable, they are only used for the seats of expensive cars, buses or airplanes for cost reasons. For standard seats, the abrasion resistance of the outer fabric is more important. According to the invention, a conventional air-permeable covering material, for example woolen fabric, is underlaid with a very air-permeable fleece, preferably a few millimeters thick. Particularly suitable as a fleece is a moisture-storing and moisture-permeable one Material such as rayon or dunova, which have a coarser structure that is sufficient to remove body moisture. According to the invention, hydrophilic binders can be mixed with the nonwoven material for reinforcement.

Ein erfindungsgemäßer Sitz ist derart gestaltet, daß der mehrschichtige Aufbau eine Wasserdampfdurchlässigkeit von mindestens 10.ooo g/m2. 24 h besitzt, so daß "Hitzestaus" zuverlässig verhindert werden können.A seat according to the invention is designed in such a way that the multilayer structure has a water vapor permeability of at least 10ooo g / m 2 . Has 24 h, so that "heat build-up" can be reliably prevented.

Die Erfindung wird nachstehend anhand der Zeichnung, die beispielhaft einen erfindungsgemäßen Autositz zeigt, näher erläutert. Dabei zeigt Figur 1: Perspektivisch einen erfindungsgemäßen Autositz, bei dem der Grundbereich teilweise aufgeschnitten ist. Figur 2 schematisch einen Schnitt durch ein erfindungsgemäßes Sitzelement.The invention is explained below with reference to the drawing, which shows an example of a car seat according to the invention. 1 shows: Perspectively a car seat according to the invention in which the basic area is partially cut open. Figure 2 schematically shows a section through an inventive seat element.

Der Fahrzeugsitz 1 besteht aus einem leicht gegenüber der horizontalen nach hinten geneigten Grundbereich 2 und einer mit diesem verbundenen, nach oben weisenden Rückenlehne 3. Wie an der aufgeschnittenen Stelle des Grundbereichs 2 in Figur 1 sowie insbesondere in Figur 2 zu erkennen ist, weist der Sitz 1 folgenden Aufbau auf:

  • Ein Schaumstoffmaterial aus Polyurethan bildet einen Schaumkern 4. Die der Sitzfläche 5 zugewandte Seite des Schaumkerns 4 ist gekennzeichnet durch einen umlaufenden erhöhten Rahmen 6 und eine dadurch ausgebildete mittlere, gegenüber der Oberfläche des Rahmens 6 vertieften Fläche 7. Der Rahmen 6 ist relativ schmal gegenüber der Gesamtsitzfläche 5 des Grundbereiches 2, wobei die mittlere Fläche 7 mindestens so groß sein soll, daß sie den von einer Person abgdeckten Sitzbereich umfasst. Auf der mittleren Fläche 7 verlaufen mehrere, zur oberen Vorderkante 8 des Sitzes 1 parallele Rillen 9 mit rechteckigem Querschnitt. Die Rillen können alternativ auch von vorne nach hinten (also senkrecht zur oberen Vorderkante 8) oder schräg verlaufen. Es kann selbstverständlich auch jede andere Querschnittsform für die Rillen 9 gewählt werden. Die Rillen 9 können auch innerhalb einer Sitzkonstruktion unterschiedliche Breiten und Tiefen aufweisen. Beispielsweise können die in der Sitzmitte in der Regel stärker beanspruchten Bereiche des Schaumkerns tiefere Rillen als die Randbereiche zeigen. In Verlängerung der Rillen 9 weist der Rahmen 6 entsprechende rohrförmige öffnungen 1o auf, so daß sich aus einer Rille 9 und den beidseitig davon angeordneten öffnungen 1o im Rahmen durchgehende Kanäle ergeben.
The vehicle seat 1 consists of a base area 2 which is inclined slightly towards the rear and a backrest 3 which is connected to it and points upwards. As can be seen from the cut-open location of the base area 2 in FIG. 1 and in particular in FIG. 2, the seat has 1 following structure:
  • A foam material made of polyurethane forms a foam core 4. The side of the foam core 4 facing the seat surface 5 is characterized by a circumferential raised frame 6 and a central frame formed thereby, opposite the surface of the Frame 6 recessed area 7. The frame 6 is relatively narrow compared to the total seating area 5 of the base area 2, the central area 7 should be at least large enough to encompass the seating area covered by one person. Several grooves 9 with a rectangular cross section run parallel to the upper front edge 8 of the seat 1 on the central surface 7. Alternatively, the grooves can also run from front to back (ie perpendicular to the upper front edge 8) or at an angle. Any other cross-sectional shape can of course also be selected for the grooves 9. The grooves 9 can also have different widths and depths within a seat construction. For example, the areas of the foam core that are usually more heavily used in the center of the seat can show deeper grooves than the edge areas. In extension of the grooves 9, the frame 6 has corresponding tubular openings 1o, so that continuous channels result in a groove 9 and the openings 1o arranged on both sides thereof in the frame.

Der Schaumkern 4 mit den Rillen 9 und der Rahmen 6`mit den öffnungen 1o ist als ein Formteil in einem Arbeitsgang hergestellt worden, was die Produktion sehr einfach und kostengünstig macht.The foam core 4 with the grooves 9 and the frame 6 'with the openings 1o has been produced as a molded part in one operation, which makes production very simple and inexpensive.

Die Ausgestaltung eines Rahmens 6 hat mehrere Vorteile. Zum einen wird dadurch die gesamte Konstruktion mechanisch verstärkt. Andererseits wird vermieden, daß die Rillen 9 endseitig frei auslaufen, wodurch aufgrund der geringeren Stabilität derartiger Rillen im Endbereich die Gefahr eines Verschlusses verhindert wird, wenn eine Person den Sitz außermittig belastet. Ferner wird durch den erhöhten Rahmen 6 das Einlegen beispielsweise einer Gummihaarmatte oder -platte 11 in die durch den Rahmen 6 ausgebildete Vertiefung 12 erleichtert. Beim Zusammensetzen eines erfindungsgemäßen Sitzes braucht die luft- und wasserdampfdurchlässige Schicht oder Platte also nur in die Vertiefung 12 eingelegt werden, was besonders einfach ist.The design of a frame 6 has several advantages. On the one hand, this mechanically reinforces the entire construction. On the other hand, it is avoided that the grooves 9 run out freely at the ends, as a result of which the lower stability of such grooves in the end region prevents the risk of closure, if a person loads the seat off-center. Furthermore, the insertion of, for example, a rubber hair mat or plate 11 into the recess 12 formed by the frame 6 is facilitated by the raised frame 6. When assembling a seat according to the invention, the air and water vapor permeable layer or plate only needs to be inserted into the depression 12, which is particularly simple.

Der Schaumstoffkern 4 und die in die Vertiefung 12 eingelegte Gummihaarplatte 11 sind allseitig umgeben von einem mit einem Vlies 13 aus Zellwolle unterlegten und punktförmig verklebten Wollstoff 14, wobei das Vlies 13 mit einem hydrophilen Binder versetzt ist.The foam core 4 and the rubber hair plate 11 inserted into the depression 12 are surrounded on all sides by a woolen fabric 14 which is underlaid with a fleece 13 of cellulose and glued in a punctiform manner, the fleece 13 being mixed with a hydrophilic binder.

Die Rückenlehne 3 ist in gleicher Weise wie der Grundbereich 2 aufgebaut, wobei die Rillen 9 bzw. die öffnungen 1o in dem in der Zeichnung dargestellten Ausführungsbeispiel von links nach rechts, also parallel zu den Rillen 9 des Grundbereiches 2 verlaufen, wodurch die Abtransportwege für etwaig in den Sitz abgegebenen Wasserdampf besonders kurz sind.The backrest 3 is constructed in the same way as the base region 2, the grooves 9 or the openings 10 in the exemplary embodiment shown in the drawing running from left to right, that is to say parallel to the grooves 9 of the base region 2, as a result of which the removal paths for any Water vapor released into the seat is particularly short.

Der in der Figur 1 dargestellte Fahrzeugsitz weist eine Wasserdampfdurchlässigkeit von mehr als lo.ooo g/m2 24 h auf, wodurch Hitzestaus durch in den Sitz abgegebenen Wasserdampf zuverlässig verhindert werden können.The vehicle seat shown in FIG 1 has a water vapor permeability of more than l o.ooo g / m 2 24 h, whereby heat accumulation can be reliably prevented by discharged into the seat steam.

Anstelle einer Ausgestaltung mit Rillen auf der Oberfläche des Schaumkerns kann letzterer auch durch den Schaumkern geführte Kanäle aufweisen, die ebenso wie die Rillen zum Abtransport von Feuchtigkeit bzw. Wasserdampf.dienen.Instead of a configuration with grooves on the surface of the foam core, the latter can also have channels which are guided through the foam core and, like the grooves, for the removal of moisture or water vapor . serve.

In beiden Ausführungsformen kann bei besonders hochwertigen Sitzkonstruktionen (beispielsweise für Piloten) der Sitz mit einer Zwangsbelüftung versehen sein, die durch Blasen oder Saugen die Luftzirkulation in den Rillen (9) bzw. Kanälen zwangsweise steuert und damit für einen optimalen Abtransport jedweder Feuchtigkeit oder Luft sorgt. Bei der Verwendung eines derartigen Sitzes beispielsweise in Automobilen oder Flugzeugen kann die Zwangsbelüftung ohne weiteres auch unmittelbar an die Belüftung oder Klimaanlage angeschlossen werden, wodurch sich zusätzlich die Möglichkeit eines temperierbaren Sitzes ergibt.In both embodiments, in the case of particularly high-quality seat constructions (for pilots, for example), the seat can be provided with forced ventilation, which forcibly controls the air circulation in the grooves (9) or channels by blowing or sucking and thus ensures optimal removal of any moisture or air . When using such a seat, for example in automobiles or airplanes, the forced ventilation can also be directly connected to the ventilation or air conditioning system, which additionally results in the possibility of a temperature-controlled seat.

Claims (21)

1. Sitz mit einem Schaumkern (4) und einem Uberzugsmaterial (14), dadurch gekennzeichnet, daß ein wesentlicher Teil der der Sitzfläche (5) zugewandten Seite des Schaumkerns (4) mit einer luft- und wasserdampf- durchlässigen.Schicht (11) abgedeckt ist und daß von dieser Seite des Schaumkerns (4) Rillen (9) und/oder Kanäle verlaufen, die sich bis zu einer oder mehreren der übrigen Außenflächen des Schaumkerns (4) erstrekken, wobei die Rillen (9) und/oder Kanäle auch nach Kompression des verwendeten Schaumkernmaterials noch einen Luft- und Wasserdampftransport ermöglichen.1. Seat with a foam core (4) and a covering material (14), characterized in that a substantial part of the side of the foam core (4) facing the seat surface (5) is covered with an air and water vapor permeable layer (11) is and that from this side of the foam core (4) grooves (9) and / or channels extend which extend to one or more of the other outer surfaces of the foam core (4), the grooves (9) and / or channels also after Compression of the foam core material used allows air and water vapor transport. 2. Sitz nach Anspruch 1, dadurch gekennzeichnet., daß die Rillen (9) und/oder Kanäle mit einer Zwangsbelüftung versehen sind.2. Seat according to claim 1, characterized in that the grooves (9) and / or channels are provided with forced ventilation. 3. Sitz nach Anspruch 2, dadurch gekennzeichnet, daß die Zwangsbelüftung mittels temperierbarer Luft erfolgt.3. Seat according to claim 2, characterized in that the forced ventilation takes place by means of temperature-controlled air. 4. Sitz nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Rillen (9) durchgehend auf der der Sitzfläche (5) zugewandten Seite des Schaumkerns (4) verlaufen.4. Seat according to one of claims 1 to 3, characterized in that the grooves (9) run continuously on the side of the foam core (4) facing the seat surface (5). 5. Sitz nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Rillen (9) über die gesamte der Sitzfläche (5) zugewandten Seite des Schaumkerns (4) angeordnet sind.5. Seat according to one of claims 1 to 4, characterized in that the grooves (9) over the entire surface of the seat (5) facing the foam core (4) are arranged. 6. Sitz nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Rillen (9) eine Breite und Tiefe von 1 bis 2 cm aufweisen.6. Seat according to one of claims 1 to 5, characterized in that the grooves (9) have a width and depth of 1 to 2 cm. 7. Sitz nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Kanäle von der der Sitzfläche (5) zugewandten Seite des Schaumkerns (4) senkrecht durch diesen bis zur gegenüberliegenden unteren Seite (15) des Schaumkerns verlaufen.7. Seat according to one of claims 1 to 6, characterized in that the channels from the seat surface (5) facing side of the foam core (4) run perpendicularly through this to the opposite lower side (15) of the foam core. 8. Sitz nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die auf den Rillen (9) und/oder oberen Kanalöffnungen liegende Abdeckschicht (11) aus Gummihaar besteht.8. Seat according to one of claims 1 to 7, characterized in that the cover layer (11) lying on the grooves (9) and / or upper channel openings consists of rubber hair. 9. Sitz nach Anspruch 8, dadurch gekennzeichnet, daß die Abdeckschicht (11) aus Gummihaar einen hydrophilen Binder enthält.9. Seat according to claim 8, characterized in that the cover layer (11) made of rubber hair contains a hydrophilic binder. 10. Sitz nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Abdeckschicht (11) zwischen 1 und 8 cm, vorzugsweise zwischen 3 und 6 cm stark ist.10. Seat according to one of claims 1 to 9, characterized in that the cover layer (11) is between 1 and 8 cm, preferably between 3 and 6 cm thick. 11. Sitz nach einem der Ansprüche 1 bis 10,dadurch gekennzeichnet, daß der Schaumkern (4) an den etwa senkrecht zur Sitzfläche (5) verlaufenden Seiten von einem Rahmen (6) umgeben ist, der in Verlängerung der Rillen (9) öffnungen (1o) aufweist. 11 . Seat according to one of Claims 1 to 1 0, characterized in that the foam core (4) is surrounded on the sides approximately perpendicular to the seat surface (5) by a frame (6) which has openings (1o) in the extension of the grooves (9) ) having. 12. Sitz nach Anspruch 11 dadurch gekennzeichnet, daß sich der Rahmen (6) über die der Sitzfläche (5) zugewandte Seite des Schaumkerns (4) unter Ausbildung einer mittigen Vertiefung (12) erstreckt, so daß die Abdeckschicht (11) ganz oder teilweise im Rahmen (6) versenkt ist.12. Seat according to claim 11, characterized in that the frame (6) extends over the side of the foam core (4) facing the seat surface (5) to form a central recess (12), so that the covering layer (11) is wholly or partially is sunk in the frame (6). 13. Sitz nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß der Rahmen (6) gegebenenfalls mit den öffnungen (10) und der Schaumkern (4) mit den Rillen (9) und/oder Kanälen ein einstückiges Formteil ist.13. Seat according to claim 11 or 12, characterized in that the frame (6) optionally with the openings (1 0 ) and the foam core (4) with the grooves (9) and / or channels is an integral molded part. 14. Sitz nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß das überzugsmaterial (14) aus einem luftdurchlässigen Oberstoff besteht.14. Seat according to one of claims 1 to 13, characterized in that the covering material (14) consists of an air-permeable outer fabric. 15. Sitz nach Anspruch 14, dadurch gekennzeichnet, daß der luftdurchlässige Oberstoff (14) ein Wollmaterial ist.15. Seat according to claim 14, characterized in that the air-permeable outer fabric (14) is a wool material. 16. Sitz nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, daß der Oberstoff (14) von einem besonders luftdurchlässigen Vlies (13) unterlegt ist.16. Seat according to one of claims 1 to 15, characterized in that the outer fabric (14) is backed by a particularly air-permeable fleece (13). 17. Sitz nach Anspruch 16, dadurch gekennzeichnet, daß das besonders luftdurchlässige Vliesmaterial (13) aus einer Zellwolle besteht.17. Seat according to claim 16, characterized in that the particularly air-permeable non-woven material (13) consists of a cellulose wool. 18. Sitz nach einem der Ansprüche 16 oder 17, dadurch gekennzeichnet, daß das Vlies (13) mit einem hydrophilen Binder verfestigt ist.18. Seat according to one of claims 16 or 17, characterized in that the fleece (13) is solidified with a hydrophilic binder. 19. Sitz nach einem der Ansprüche 16 bis 18, dadurch gekennzeichnet, daß das Vlies (13) eine Stärke von 3 bis 6 mm aufweist.19. Seat according to one of claims 16 to 18, characterized in that the fleece (13) has a thickness of 3 to 6 mm. 20. Sitz nach einem der Ansprüche 14 bis 19., dadurch gekennzeichnet, daß der Oberstoff (14) punktförmig mit dem Vlies (13) verklebt ist.20. Seat according to one of claims 14 to 19, characterized in that the outer fabric (14) is glued to the fleece (13) in a punctiform manner. 21. Sitz nach einem der Ansprüche 1 bis 20, dadurch gekennzeichnet, daß der mehrschichtige Aufbau unter mechanischer Belastung eine Wasserdampfdurchlässigkeit von mindestens 10.000 g/m2 . 24 h besitzt.21. Seat according to one of claims 1 to 20, characterized in that the multilayer structure under mechanical stress has a water vapor permeability of at least 10,000 g / m 2 . 24 hours.
EP83105376A 1981-12-02 1983-05-31 Seat, in particular a vehicle-seat Expired EP0126798B1 (en)

Priority Applications (4)

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DE19813147610 DE3147610A1 (en) 1981-12-02 1981-12-02 Seat, in particular vehicle seat
AT83105376T ATE28972T1 (en) 1981-12-02 1983-05-31 SEAT, IN PARTICULAR VEHICLE SEAT.
EP83105376A EP0126798B1 (en) 1981-12-02 1983-05-31 Seat, in particular a vehicle-seat
DE8383105376T DE3373054D1 (en) 1981-12-02 1983-05-31 Seat, in particular a vehicle-seat

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DE19813147610 DE3147610A1 (en) 1981-12-02 1981-12-02 Seat, in particular vehicle seat
EP83105376A EP0126798B1 (en) 1981-12-02 1983-05-31 Seat, in particular a vehicle-seat

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EP0126798B1 EP0126798B1 (en) 1987-08-19

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DE102009022647B4 (en) * 2009-05-26 2017-08-24 Tenowo GmbH Process for producing a voluminous upholstery nonwoven fabric
JP2015145178A (en) * 2014-02-04 2015-08-13 美津濃株式会社 Vehicular seat

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DE3373054D1 (en) 1987-09-24
ATE28972T1 (en) 1987-09-15
EP0126798B1 (en) 1987-08-19

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