EP1127517B1 - Procédé de fabrication d'un revêtement anti-lacération pour siège - Google Patents
Procédé de fabrication d'un revêtement anti-lacération pour siège Download PDFInfo
- 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
- Authority
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 208000034693 Laceration Diseases 0.000 title description 30
- 239000000463 material Substances 0.000 claims abstract description 62
- 239000000853 adhesive Substances 0.000 claims abstract description 30
- 230000001070 adhesive effect Effects 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 14
- 238000004132 cross linking Methods 0.000 claims abstract description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 abstract description 3
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 2
- 239000011496 polyurethane foam Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 50
- 239000011248 coating agent Substances 0.000 description 42
- 238000004026 adhesive bonding Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 239000003566 sealing material Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 241000195940 Bryophyta Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 235000011929 mousse Nutrition 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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)
- Toilet Supplies (AREA)
- Adhesive Tapes (AREA)
- Paints Or Removers (AREA)
- Materials For Medical Uses (AREA)
Description
- la figure 1 est une vue schématique en coupe transversale d'un revêtement anti-lacération selon l'invention ;
- la figure 2 est une vue schématique partielle agrandie d'une armature métallique souple ;
- la figure 3 est une vue schématique en perspective d'un élément de siège comportant un revêtement anti-lacération selon l'invention ; et
- la figure 4 est un organigramme des opérations essentielles du procédé selon l'invention.
- une étape 32 de préparation de la housse, cette étape consistant à déposer une couche 30 de silicone sur la nappe 12 de matière souple, à polymériser le silicone, et à découper la nappe 12 aux formes et aux dimensions voulues pour que la nappe 12 déborde au-delà de la surface à recouvrir de l'élément de siège,
- en parallèle, une étape 34 de préparation de l'armature souple, qui comprend un collage à plat de l'armature 14 sur le tricot 18 et une découpe de l'ensemble ainsi obtenu à la forme et aux dimensions de la partie à recouvrir de l'élément de siège,
- une étape 36 de dépôt dans un moule de la housse préparée à l'étape 32,
- une étape 38 de pulvérisation d'une matière adhésive polymérisable à froid sur la housse déposée dans le moule,
- une étape 40 de dépôt dans le moule, sur la housse et sur la couche pulvérisée de matière adhésive, de l'armature souple obtenue à l'issue de l'étape 34,
- une étape 42 de fermeture du moule, de polymérisation de la matière adhésive 16 à température ambiante en quelques minutes dans le moule (2 à 3 minutes par exemple), puis d'ouverture du moule et de démoulage du revêtement anti-lacération ainsi obtenu, qui est à la forme de l'élément de siège à recouvrir, et
- une étape 44 de pose du revêtement sur l'élément de siège à recouvrir, cette étape 44 comprenant par exemple une opération de collage du revêtement anti-lacération par la couche 18 sur la surface à recouvrir d'une garniture en mousse ou analogue, et ensuite une opération de fixation de la housse sur une ossature ou un support de la garniture, c'est-à-dire une fixation des parties débordantes de la nappe 12 sur cette ossature ou ce support.
Claims (9)
- Procédé de fabrication d'un revêtement anti-lacération pour siège ou analogue, ce revêtement comprenant une armature métallique souple (14) collée par une matière adhésive (16) sur une nappe de matière souple (12) qui forme la face extérieure du revêtement, le procédé consistant à mettre en forme le revêtement en cours de sa fabrication et, pour cela, à déposer successivement les différents constituants du revêtement dans un moule à la forme d'un élément de siège à revêtir, à fermer le moule, à l'ouvrir après polymérisation ou réticulation de la matière adhésive (16) et à démouler le revêtement ainsi obtenu, caractérisé en ce que ladite matière adhésive (16) est polymérisable ou réticulable à température ambiante en un temps relativement court, de l'ordre de quelques minutes.
- Procédé selon la revendication 1, caractérisé en ce que ladite matière adhésive (16) est déposée par pulvérisation.
- Procédé selon la revendication 1 ou 2, caractérisé en ce que l'armature métallique (14) est un tricot à maille jersey ou analogue et est préalablement collée sur une couche de matière souple (18), telle qu'un tricot du type jersey par exemple, et découpée aux dimensions de la surface à protéger de l'élément de siège avant d'être déposée dans le moule de telle sorte que l'armature (14) se trouve entre ladite nappe (12) et ladite couche de matière souple (18).
- Procédé selon la revendication 3, caractérisé en ce que, à la fermeture du moule, la matière adhésive (16) reste confinée entre ladite nappe (12) et ladite couche de matière souple (18).
- Procédé selon l'une des revendications 1 à 4, caractérisé en ce que ladite nappe (12) de matière souple a des dimensions supérieures à celles de la surface à revêtir de l'élément de siège, les parties de ladite nappe qui débordent de cette surface servant à la fixation du revêtement sur une ossature ou sur un support.
- Procédé selon l'une des revendications 3 à 5, caractérisé en ce qu'après ouverture du moule, le revêtement obtenu est fixé sur une garniture d'un élément de siège par collage de la couche de matière souple (18) sur la garniture.
- Procédé selon l'une des revendications 1 à 6, caractérisé en ce que ladite matière adhésive (16) est un polyuréthanne ou un silicone.
- Procédé selon l'une des revendications 1 à 7, caractérisé en ce que la nappe (12) de matière souple est préalablement traitée par dépôt sur sa face intérieure d'une couche d'une matière (30) d'étanchéité et de tenue au feu, puis par vulcanisation de cette matière, avant d'être découpée et déposée dans le moule.
- Procédé selon la revendication 8, caractérisé en ce que ladite matière (30) d'étanchéité et de tenue au feu est un silicone.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0002491 | 2000-02-25 | ||
FR0002491A FR2805444B1 (fr) | 2000-02-25 | 2000-02-25 | Procede de fabrication d'un revetement anti-laceration pour siege |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1127517A1 EP1127517A1 (fr) | 2001-08-29 |
EP1127517B1 true EP1127517B1 (fr) | 2005-01-19 |
Family
ID=8847487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01400450A Expired - Lifetime EP1127517B1 (fr) | 2000-02-25 | 2001-02-19 | Procédé de fabrication d'un revêtement anti-lacération pour siège |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1127517B1 (fr) |
AT (1) | ATE287231T1 (fr) |
DE (1) | DE60108429T2 (fr) |
ES (1) | ES2236151T3 (fr) |
FR (1) | FR2805444B1 (fr) |
PT (1) | PT1127517E (fr) |
Families Citing this family (5)
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 |
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 |
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 |
Family Cites Families (3)
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 |
-
2000
- 2000-02-25 FR FR0002491A patent/FR2805444B1/fr not_active Expired - Lifetime
-
2001
- 2001-02-19 DE DE60108429T patent/DE60108429T2/de not_active Expired - Lifetime
- 2001-02-19 PT PT01400450T patent/PT1127517E/pt unknown
- 2001-02-19 AT AT01400450T patent/ATE287231T1/de active
- 2001-02-19 EP EP01400450A patent/EP1127517B1/fr not_active Expired - Lifetime
- 2001-02-19 ES ES01400450T patent/ES2236151T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1127517A1 (fr) | 2001-08-29 |
DE60108429T2 (de) | 2005-12-22 |
ATE287231T1 (de) | 2005-02-15 |
PT1127517E (pt) | 2005-05-31 |
FR2805444A1 (fr) | 2001-08-31 |
FR2805444B1 (fr) | 2002-06-07 |
DE60108429D1 (de) | 2005-02-24 |
ES2236151T3 (es) | 2005-07-16 |
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