EP1127517B1 - Verfahren zur Herstellung eines nichtzerreissbaren Bezuges für einen Sitz - Google Patents

Verfahren zur Herstellung eines nichtzerreissbaren Bezuges für einen Sitz Download PDF

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Publication number
EP1127517B1
EP1127517B1 EP01400450A EP01400450A EP1127517B1 EP 1127517 B1 EP1127517 B1 EP 1127517B1 EP 01400450 A EP01400450 A EP 01400450A EP 01400450 A EP01400450 A EP 01400450A EP 1127517 B1 EP1127517 B1 EP 1127517B1
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EP
European Patent Office
Prior art keywords
mold
adhesive
layer
covering
flexible material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01400450A
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English (en)
French (fr)
Other versions
EP1127517A1 (de
Inventor
Yves Andreux
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.)
Compin SAS
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Compin SAS
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Publication date
Application filed by Compin SAS filed Critical Compin SAS
Publication of EP1127517A1 publication Critical patent/EP1127517A1/de
Application granted granted Critical
Publication of EP1127517B1 publication Critical patent/EP1127517B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47C7/24—Upholstered seats
    • A47C7/26—Upholstered seats with reinforcement of the external layer of the upholstery, e.g. vandal resistant

Definitions

  • the invention relates to a manufacturing method anti-laceration lining for seat public transport or similar, as well as an element seat comprising this coating.
  • anti-laceration coatings of seats used in public places and in public transport generally include a metal frame fixed by gluing on the face inside of a cover intended to cover a elastically deformable trim part of a seat element.
  • these anti-laceration coatings are made flat, the metal frame being deposited on a layer of adhesive material itself deposited on a tablecloth textile material or the like intended to form the cover, and then by hot polymerization of the adhesive material.
  • a plane layer is thus obtained multilayer that resists well to attempts to laceration and which is cheap but which has a low or very low deformation capacity three-dimensional when we want to use it for cover a seat element having a curved shape.
  • the patent EP-A-0 981 982 of the applicant describes a method manufacturing an anti-laceration coating aforementioned type, in which the coating is put into form during its manufacture and not after, thanks available to the various constituents of the coating one after the other in a part of mold having the shape of the seat element to cover, the sheet of textile material or the like intended to form the cover being naturally relatively flexible, the metal frame being advantageously a knit of wire, for mesh example of the jersey type, to have a very high deformation capacity.
  • the different constituents of anti-laceration coating have been deposited successively in the mold, closes the mold, the material is heat-cured adhesive, open the mold and unmold coating which is then manipulated from a single piece and that is in the shape of the seat element to cover.
  • the present invention is intended in particular to bring improvements to this process of manufacturing.
  • an anti-laceration coating of the type aforementioned comprising a frame flexible metal glued by an adhesive material on a sheet of flexible material that forms the face coating, the method of to shape the coating during manufacture and, for that, to file successively the different constituents of the coating in a mold to the shape of a seat element to cover, to close the mold, to open after polymerization or cross-linking of the adhesive material and demolding the coating thus obtained, characterized in that adhesive material is polymerizable or crosslinkable to ambient temperature in a relatively short time, on the order of a few minutes.
  • an adhesive material cold polymerizable that is to say at temperature ambient
  • the hot polymerization of the adhesive material lasted 40 to 50 minutes for example, so that, given the heating times and mold cooling, the manufacture of a anti-laceration coating in a mold immobilized the mold for a period of at least one hour, this which required to have a large park of mussels for a manufacture of anti-laceration coatings to normal pace.
  • the cold polymerization of the hard adhesive material minutes typically 2 to 4 minutes, from so that a mold is immobilized only during 6 about minutes for making a coating anti-laceration, which allows a normal rate of manufacture of coatings with a reduced fleet of molds.
  • the adhesive material cold polymerizable is a polyurethane or a silicone.
  • These adhesive materials have the advantage of good heat resistance (for example up to 100 ° C. approximately) so that the coatings resist well to warm up by the sun, to stay flexible after polymerization, to have good resistance to fire, and to be sufficiently rigid in a short time to allow a mold opening and a demoulding coatings 2 to 4 minutes after closing the molds.
  • the adhesive material is deposited in the mold by spraying.
  • the method also consists in that the reinforcement metal is previously glued on a layer of flexible material, such as a jersey-type knit example, and then cut to the dimensions of the surface to be protected from the seat element, front to be deposited in the mold so that the frame is between the aforementioned tablecloth flexible material and said layer of flexible material.
  • a layer of flexible material such as a jersey-type knit example
  • This layer of flexible material has a capacity of three-dimensional deformation at least equal to that knitting of the metal frame, so as not to annoy or hinder the shaping of this frame.
  • the bonding of the flexible frame on a layer soft material such as a knit of the jersey type makes it possible to manipulate the frame to cut it accurately to the shape and dimensions of the surface it must protect in a seat element. Otherwise, the precise cutting of the flexible frame would be very difficult or almost impossible, as well as maintaining the shape and dimensions of the cut during external manipulations.
  • this layer of flexible material on which is glued the frame forms a barrier for the adhesive material that is deposited in the mold for fixing the frame on the tablecloth flexible material, this adhesive material thus remaining confined to closing the mold between the slick flexible material and the layer of flexible material.
  • the sheet of flexible material is cut, before being placed in the mold, with dimensions larger than those of the surface that the anti-laceration coating must cover on a seat element, so that the parts of the flexible sheet that overflows from this surface can used to fix the coating on a framework, on a seat pad support member, or similar.
  • the coating is also fixed by bonding on one side of the filling to be covered, especially when this face is concave, for good marry the shape of this face and stay on this face when the anti-laceration coating is stretched over the seat element as aforesaid.
  • the sheet of flexible material which forms the outer layer of the anti-laceration coating is previously treated by deposit on its face inner layer of a sealing material and fire resistance, and by vulcanisation of this material, before being cut as aforesaid and deposited in a mold for the manufacture of a anti-laceration coating.
  • the aforementioned material which covers the inner face of the sheet of flexible material which is vulcanized has the double advantage of improving fire resistance of this sheet of flexible material and make it waterproof, which allows in particular cleaning in situ anti-laceration coatings of the elements of seat, for example by injection-aspiration of a cleaning product (steam, a liquid detergent, etc.) without damaging the seat elements and without having to dismount the anti-laceration coatings and then reassemble them.
  • a cleaning product steam, a liquid detergent, etc.
  • this sealing material and fire resistance is a polymerizable silicone to hot.
  • the anti-laceration coating according to the invention which has been shown schematically in FIG. essentially comprises a tablecloth 12 of material flexible forming the outer face or face of the coating and which is usually a sheet of material textile or plastic sheet or analogous, this coating further comprising flexible metal frame 14 fixed on the face internal of the flexible sheet 12 by a layer 16 of a adhesive material in which the armature 14 is more or less drowned.
  • the adhesive material 16 is cold polymerizable type (at room temperature) and is for example a polyurethane or a silicone.
  • the polymerization in minutes of this adhesive material helps reduce the duration of immobilization of the molds in which are deposited the various constituents of the coating anti-laceration, and to respect a high rate manufacturing with a reduced number of molds.
  • the frame flexible metal 14 is advantageously a knit of 20 mesh metal yarns of the jersey type or analogy, which gives it great flexibility and high deformation capacity.
  • Wire wires 20 are typically galvanized steel wires having a diameter of about 0.7 millimeter and the meshes have a dimension of the order of a centimeter, which gives the armature 14 a great resistance attempts to lacerate.
  • the reinforcement 14 is cut to the shapes and dimensions of the part of a seat element that it is intended to protect.
  • the armature 14 which is extremely deformable, is previously fixed by gluing on a layer of a flexible material 18, such as a jersey of cotton jersey type by example, to form with this layer a set unitary which is relatively easy to cut with precision to the desired shape and dimensions.
  • the method according to the invention also provides that the sheet 12 of flexible material, which forms the outer layer of the anti-laceration coating, is cut, before being deposited in the mold of manufacture, to dimensions that are greater than those of the part of the seat element to cover, so that the overflowing parts of the sheet 12 allow the attachment of the coating on a frame or on a trim support in the seat element.
  • this seat element can be a seat cushion, having a polyurethane foam liner or another appropriate subject, which includes a central portion 22 of curved shape, for example in concave part, two lateral parts 24 which extend obliquely upward from the central portion 22, and a front portion 26 which is convex shape, all of the lateral parts 24 and of the front portion 26 forming a kind of ledge curved protruding or large bead surrounding the central portion 22.
  • This foam pad or analog is intended to rest by its face lower 28 on a frame or on a support on which the protruding parts of the water table 12 of anti-laceration coating will be fixed by stapling, by gluing, by means of strips of claws and snap buckles, or by any other appropriate means, this fixation stretch the anti-laceration coating on the trim of the seat element.
  • this trim has parts in hollow or concave, it is better to fix the anti-laceration coating on the trim by bonding the layer of flexible material 18 on the material of the filling, so that the coating well marries the shapes of the concave parts despite of the tension resulting from the aforementioned hooking on frame or support of the trim.
  • the layer 30 is deposited on the face inside the tablecloth 12 by coating, by adjusting its height or thickness, for example by scraping, then the material is heat-cured and finally cut sheet 12 to dimensions and shape wished, as indicated above, before the deposit in a mold for the manufacture of coating according to the invention.
  • the layer of material 30 forms a between the web 12 and the gasket the seat element, which makes it possible to clean the seat coverings leaving them in place on the fittings of the seat elements, for example by injection-suction of steam, a liquid of cleaning or other.
  • the layer of material 30 is also a fire barrier that gives off very little smoke toxic and opaque in contact with a flame.
  • the process according to the invention can be simpler, especially when coating anti-laceration does not include a knit layer 18 and layer of sealing material and held in the fire.

Landscapes

  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Paints Or Removers (AREA)
  • Materials For Medical Uses (AREA)
  • Adhesive Tapes (AREA)
  • Toilet Supplies (AREA)

Claims (9)

  1. Verfahren zur Herstellung eines nicht zerreissbaren Bezuges für einen Sitz oder dergleichen, wobei der Bezug eine biegsame Metallarmierung (14) aufweist, die mit einem Klebematerial (16) auf eine aus biegsamem Material (12) bestehende Bahn aufgeklebt wird, welche die Außenfläche des Bezuges bildet, und das Verfahren umfasst, den Bezug im Verlauf seiner Herstellung in Form zu bringen und zu diesem Zweck sukzessive die verschiedenen Bestandteile des Bezuges in eine Pressform von der Form eines zu beziehenden Sitzelementes einzulegen, die Pressform zu schließen, sie nach der Polymerisation oder Vernetzung des Klebematerials (16) zu öffnen und den auf diese Weise erhaltenen Bezug aus der Form zu entnehmen, dadurch gekennzeichnet, dass das Klebematerial (16) bei Umgebungstemperatur in relativ kurzer Zeit in der Größenordnung von einigen Minuten polymerisiert oder vernetzt werden kann.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Klebematerial (16) durch ein Aufsprühverfahren aufgebracht wird.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Metallarmierung (14) ein Strickgewebe vom Jersey-Typ oder dergleichen ist und vorab auf eine Schicht aus biegsamem Material (18), beispielsweise ein Strickgewebe vom Jersey-Typ, aufgeklebt wird und auf die Abmessungen der zu schützenden Fläche des Sitzelementes zugeschnitten wird, bevor es in die Pressform eingelegt wird, derart, dass sich die Armierung (14) zwischen der Bahn (12) und der Schicht aus biegsamem Material (18) befindet.
  4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass beim Schließen der Pressform das Klebematerial (16) zwischen der Bahn (12) und der Schicht aus biegsamem Material (18) eingeschlossen bleibt.
  5. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die aus biegsamem Material bestehende Bahn (12) größere Abmessungen hat als die zu beziehende Fläche des Sitzelementes, wobei die Teile der Bahn, die über diese Fläche hinausgehen, zur Befestigung des Bezuges auf einem Skelett oder einer Trägereinrichtung dienen.
  6. Verfahren nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass nach dem Öffnen der Form der erhaltene Bezug auf einer Garnitur eines Sitzelementes durch Aufkleben der aus biegsamem Material bestehenden Schicht (18) auf der Garnitur befestigt wird.
  7. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Klebematerial (16) ein Polyurethan oder ein Silikon ist.
  8. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die aus biegsamem Material bestehende Bahn (12) vorab einer Behandlung unterzogen wird, bei der auf seine Innenfläche eine Schicht aus einem abdichtenden und feuerbeständigen Material (30) aufgebracht wird und danach dieses Material vulkanisiert wird, bevor sie zugeschnitten und in die Pressform eingelegt wird.
  9. Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass das abdichtende und feuerbeständige Material (30) ein Silikon ist.
EP01400450A 2000-02-25 2001-02-19 Verfahren zur Herstellung eines nichtzerreissbaren Bezuges für einen Sitz Expired - Lifetime EP1127517B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0002491A FR2805444B1 (fr) 2000-02-25 2000-02-25 Procede de fabrication d'un revetement anti-laceration pour siege
FR0002491 2000-02-25

Publications (2)

Publication Number Publication Date
EP1127517A1 EP1127517A1 (de) 2001-08-29
EP1127517B1 true EP1127517B1 (de) 2005-01-19

Family

ID=8847487

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01400450A Expired - Lifetime EP1127517B1 (de) 2000-02-25 2001-02-19 Verfahren zur Herstellung eines nichtzerreissbaren Bezuges für einen Sitz

Country Status (6)

Country Link
EP (1) EP1127517B1 (de)
AT (1) ATE287231T1 (de)
DE (1) DE60108429T2 (de)
ES (1) ES2236151T3 (de)
FR (1) FR2805444B1 (de)
PT (1) PT1127517E (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464991B1 (ko) * 2004-02-24 2005-01-13 주식회사 아이메탈아이 난연성 의자
FR2869776B1 (fr) 2004-05-07 2007-08-24 Grupo Antolin Ffi Soc Par Acti Complexe anti laceration
FR2873555B1 (fr) 2004-07-28 2008-04-18 Compin Sa Siege pour vehicule de transport en commun
FR2891777A1 (fr) * 2005-10-10 2007-04-13 Cera Matelassure de siege de vehicule automobile dont le revetement comprend une zone peripherique dissociee de la mousse
FR2891778B1 (fr) * 2005-10-10 2008-01-18 Cera Matelassure de siege de vehicule automobile dont le revetement comprend une zone paripherique dissociee de la mousse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU591030B2 (en) * 1987-02-20 1989-11-23 Vickers Xatal Pty. Ltd. Seat upholstery
FR2664801B1 (fr) * 1990-07-20 1994-09-30 Duret M & Fils Garniture souple pour sieges, procede de fabrication d'une telle garniture et son utilisation pour le garnissage d'une ossature de siege.
FR2782619B1 (fr) 1998-08-28 2000-10-06 Compin Procede de fabrication d'un revetement anti-laceration pour siege ou analogue et element de siege comprenant ce revetement

Also Published As

Publication number Publication date
EP1127517A1 (de) 2001-08-29
FR2805444A1 (fr) 2001-08-31
FR2805444B1 (fr) 2002-06-07
ATE287231T1 (de) 2005-02-15
PT1127517E (pt) 2005-05-31
ES2236151T3 (es) 2005-07-16
DE60108429D1 (de) 2005-02-24
DE60108429T2 (de) 2005-12-22

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