EP0126798B1 - Siège, notamment siège de véhicule - Google Patents

Siège, notamment siège de véhicule Download PDF

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Publication number
EP0126798B1
EP0126798B1 EP83105376A EP83105376A EP0126798B1 EP 0126798 B1 EP0126798 B1 EP 0126798B1 EP 83105376 A EP83105376 A EP 83105376A EP 83105376 A EP83105376 A EP 83105376A EP 0126798 B1 EP0126798 B1 EP 0126798B1
Authority
EP
European Patent Office
Prior art keywords
seat
foam core
air
grooves
water vapour
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP83105376A
Other languages
German (de)
English (en)
Other versions
EP0126798A1 (fr
Inventor
Hubert von Blücher
Hasso von Blücher
Ernest Dr. De Ruiter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
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/de
Application filed by Individual filed Critical Individual
Priority to AT83105376T priority patent/ATE28972T1/de
Priority to EP83105376A priority patent/EP0126798B1/fr
Priority to DE8383105376T priority patent/DE3373054D1/de
Publication of EP0126798A1 publication Critical patent/EP0126798A1/fr
Application granted granted Critical
Publication of EP0126798B1 publication Critical patent/EP0126798B1/fr
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 covering material.
  • the outer fabric is underlaid with a layer of open-pored soft foam a few millimeters thick.
  • Seat constructions with a foam core 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 takes a seat on them, the so-called "heat build-up" phenomenon often occurs. People usually give off 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) so 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 prevents it.
  • 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 covering material In such seat arrangements covered with a textile covering material, the excess body heat in the form of water vapor can be easily removed through the covering 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, in particular for mass articles, 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.
  • a seat is also known with a foam core and a covering material which is covered on an essential part of the side of the foam core facing the seat surface with an air and water vapor permeable layer of rubber hair and on this side grooves and / or has channels that extend to one or more of the other outer surfaces of the foam core and still allow air and water vapor transport even after compression of the foam core material used.
  • 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.
  • “Seat” means 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 build-up" is particularly frequent. 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 those sides facing the user of the mostly horizontal or slightly inclined base area of a seat, the back and side rests.
  • 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 at the same time serves 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 is a composite material that consists of a natural or synthetic fiber and a binder based on latices and that is used for various purposes, e.g. B. is used as packaging material. 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. Rubber hair plates are preferably used, which are inserted as such over the entire surface of the foam core or into the recess formed by the frame.
  • the rubber hair layer should preferably have a thickness between 1 and 8 cm, depending on the application and mechanical stress.
  • the grooves or channels which run on the side of the foam core facing the seat surface or from this surface through the foam core, in a seat according to the invention after a mechanical load (in particular compression) by a person taking a seat, there is still a transport route, in particular keep clear of the water vapor released into the seat 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 channels advantageously run vertically through the foam core from the side facing the seat surface to the opposite lower side.
  • 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 removed.
  • 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 need only run over part of the foam core surface.
  • the grooves which may preferably have a width and depth of 1 to 2 cm, extend over the entire surface, so that even if the user is in an eccentric sitting position, the removal of any water vapor produced is ensured.
  • the covering material placed around the foam core and the covering layer must be permeable to air. Woolen fabrics are particularly pleasant, but for cost reasons they are only used for the seats of expensive cars, buses or airplanes. For standard seats, the abrasion resistance of the outer fabric is more important.
  • a conventional air-permeable coating material e.g. B. woolen
  • a very air-permeable fleece preferably a few millimeters thick, for example 3 to 6 mm, underlaid.
  • Particularly suitable as a fleece is a moisture-storing and moisture-permeable material, such as rayon or Dunova @, which have a coarser structure that is sufficient to dissipate the body moisture.
  • hydrophilic binders can be mixed with the nonwoven material for reinforcement.
  • the seat according to the invention can be designed in such a way that the multilayer structure has a water vapor permeability of at least 10,000 g / M 2 - 24 h so that heat build-up can be reliably prevented.
  • Advantageous embodiments of the invention are the subject of claims 2 to 6.
  • FIG. 1 shows a perspective view of a car seat according to the invention in which the base area is partially cut open.
  • Figure 2 schematically shows a section through an inventive seat element.
  • 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 surface 7 formed thereby, which is recessed relative to the surface of the frame 6.
  • 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.
  • 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.
  • the frame 6 has corresponding tubular openings 10, so that continuous channels result from a groove 9 and the openings 10 arranged on both sides thereof in the frame.
  • the foam core 4 with the grooves 9 and the frame 6 with the openings 10 has been produced as a molded part in one operation, which makes the production very simple and inexpensive.
  • the design of the 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, which, due to 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 recess 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, which means that the removal paths for any Water vapor released into the seat is particularly short.
  • the vehicle seat shown in Figure 1 has a water vapor permeability of more than 10000 g / m2. 24 hours, which can reliably prevent heat build-up from water vapor released into the seat.
  • the latter can also have channels which are guided through the foam core and, like the grooves, serve to remove moisture or water vapor.
  • 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)
  • Air-Conditioning For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (6)

1. Siège comportant un intérieur en mousse (4) et une matière de recouvrement (14), dans lequel une partie essentielle, du côté de l'intérieur en mousse (4) qui est tourné vers la surface (5) du siège, est recouverte d'une couche (11) de poil de caoutchouc perméable à l'air et à la vapeur d'eau et dans lequel, de ce côté de l'intérieur en mousse (4), passent des rainures (9) et/ou des canaux qui s'étendent jusqu'à l'une ou plusieurs des autres faces extérieures de l'intérieur en mousse (4), cependant que les rainures (9) et/ou les canaux permettent, même après la compression de la matière utilisée pour l'intérieur en mousse, un entraînement d'air et de vapeur d'eau, caractérisé par le fait que la couche (11), perméable à l'air et à la vapeur d'eau, est constituée de poil de caoutchouc, sous la forme d'une natte ou d'une plaque insérée dans un cadre (6) s'étendant le long des côtés situés sensiblement perpendiculairement à la surface du siège, dans la configuration d'un évidement central (12), au-dessus du côté de l'intérieur en mousse qui est tourné vers la surface (5) du siège.
2. Siège selon la revendication 1, caractérisé en ce que la natte ou la plaque en poil de caoutchouc est placée par la face frontale du cadre (6) à fleur de celui-ci.
3. Siège selon la revendication 1 ou 2, caractérisé en ce que la natte ou la plaque en poil de caoutchouc est entourée de tous côtés d'un tissu de laine (14) doublé d'une étoffe non tissée (13) en fibranne et collé ponctuellement, cependant que l'étoffe non tissée (13) est additionnée d'un liant hydrophile.
4. Siège selon l'une des revendications 1 à 3, caractérisé en ce que la natte ou la plaque en poil de caoutchouc est d'une épaisseur de 1 à 8 cm, de 3 à 6 cm de préférence.
5. Siège selon l'une des revendications 1 à 4, caractérisé en ce que le cadre (6) est formé d'une seule pièce sur l'intérieur en mousse (4).
6. Siège selon l'une des revendications 1 à 5, caractérisé en ce que la structure à plusieurs couches possède, sous sollicitation mécanique, une perméabilité à la vapeur d'eau d'au moins 10000 g/m2. 24 h.
EP83105376A 1981-12-02 1983-05-31 Siège, notamment siège de véhicule Expired EP0126798B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19813147610 DE3147610A1 (de) 1981-12-02 1981-12-02 "sitz, insbesondere fahrzeugsitz"
AT83105376T ATE28972T1 (de) 1981-12-02 1983-05-31 Sitz, insbesondere fahrzeugsitz.
EP83105376A EP0126798B1 (fr) 1981-12-02 1983-05-31 Siège, notamment siège de véhicule
DE8383105376T DE3373054D1 (en) 1981-12-02 1983-05-31 Seat, in particular a vehicle-seat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813147610 DE3147610A1 (de) 1981-12-02 1981-12-02 "sitz, insbesondere fahrzeugsitz"
EP83105376A EP0126798B1 (fr) 1981-12-02 1983-05-31 Siège, notamment siège de véhicule

Publications (2)

Publication Number Publication Date
EP0126798A1 EP0126798A1 (fr) 1984-12-05
EP0126798B1 true EP0126798B1 (fr) 1987-08-19

Family

ID=42813361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83105376A Expired EP0126798B1 (fr) 1981-12-02 1983-05-31 Siège, notamment siège de véhicule

Country Status (3)

Country Link
EP (1) EP0126798B1 (fr)
AT (1) ATE28972T1 (fr)
DE (2) DE3147610A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626756A1 (fr) * 1988-02-10 1989-08-11 Pareux Patrick Matelas, ou coussin, profile pour sa mise en oeuvre et procede de fabrication
DE4034920A1 (de) * 1990-11-01 1992-05-07 Kulicke Werner Michael Prof Dr Sitz, der die waehrend des sitzens abgegebene koerperfeuchtigkeit reversibel aufnimmt
WO2000064311A1 (fr) 1999-04-23 2000-11-02 Vitra Patente Ag Rembourrage comportant un accumulateur d'humidite desorbant pour un siege ou un meuble sur lequel on peut s'allonger

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3147610A1 (de) * 1981-12-02 1983-06-09 Hasso von 4000 Düsseldorf Blücher "sitz, insbesondere fahrzeugsitz"
FR2561086B1 (fr) * 1984-03-15 1986-08-14 Radulescu Alexandre Objet climatiseur
FR2572271B1 (fr) * 1984-10-29 1987-12-18 Radulescu Alexandre Objet climatiseur.
DE3838982A1 (de) * 1988-11-18 1990-05-31 Akzo Gmbh Saugfaehige matratzenauflage
DE3928883A1 (de) * 1989-08-31 1991-03-14 Grammer Ag Polsterteil fuer einen sitz
DE9416087U1 (de) * 1994-08-31 1994-12-01 Grammer Ag, 92224 Amberg Auflageelement für einen Fahrzeugsitz
DE102009022647B4 (de) 2009-05-26 2017-08-24 Tenowo GmbH Verfahren zur Herstellung eines voluminösen Polstervliesstoffes
JP6305780B2 (ja) * 2014-02-04 2018-04-04 美津濃株式会社 車両用座席

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR429326A (fr) * 1911-03-25 1911-09-20 Frederic Louis Adolphe Beucher Coussin élastique aérifère à ventilation intérieure
GB476678A (en) * 1936-05-08 1937-12-08 Frederick Sigfred Ivar Werners Improvements in or relating to pads or mats for carpeting and upholstery
DE742101C (de) * 1940-09-18 1943-11-22 Continental Gummiwerke A G Polsterkissen oder Polstereinlage aus Schwammgummi, Zellgummi, gummigebundenem Haar oder aehnlichen Stoffen fuer Sitz- und Liegemoebel
DE745022C (de) * 1940-10-26 1944-02-23 Continental Gummi Werke Ag In Einzelkissen unterteiltes Sitz- oder Rueckenlehnenpolster aus Schaumgummi, Schwammgummi oder gummigebundenen Haaren bzw. Fasern
DE1894551U (de) * 1964-01-09 1964-06-11 E A H Naue K G Rosshaarspinner Federkernloses hochpolster mit erhoehter tragfaehigkeit im sitzspiegel.
DE1952922U (de) * 1965-12-17 1967-01-05 Himolla Hierl Gmbh C Polsterung fuer sitzschale von sitz- und liegemoebeln od. dgl.
DE2915779A1 (de) * 1979-04-19 1980-10-23 Daimler Benz Ag Polstereinlage fuer sitze, insbesondere fuer kraftfahrzeugsitze
DE3147610A1 (de) * 1981-12-02 1983-06-09 Hasso von 4000 Düsseldorf Blücher "sitz, insbesondere fahrzeugsitz"

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2626756A1 (fr) * 1988-02-10 1989-08-11 Pareux Patrick Matelas, ou coussin, profile pour sa mise en oeuvre et procede de fabrication
DE4034920A1 (de) * 1990-11-01 1992-05-07 Kulicke Werner Michael Prof Dr Sitz, der die waehrend des sitzens abgegebene koerperfeuchtigkeit reversibel aufnimmt
WO2000064311A1 (fr) 1999-04-23 2000-11-02 Vitra Patente Ag Rembourrage comportant un accumulateur d'humidite desorbant pour un siege ou un meuble sur lequel on peut s'allonger

Also Published As

Publication number Publication date
ATE28972T1 (de) 1987-09-15
DE3373054D1 (en) 1987-09-24
EP0126798A1 (fr) 1984-12-05
DE3147610A1 (de) 1983-06-09

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