EP1127517A1 - 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
- EP1127517A1 EP1127517A1 EP01400450A EP01400450A EP1127517A1 EP 1127517 A1 EP1127517 A1 EP 1127517A1 EP 01400450 A EP01400450 A EP 01400450A EP 01400450 A EP01400450 A EP 01400450A EP 1127517 A1 EP1127517 A1 EP 1127517A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- flexible
- mold
- laceration
- layer
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 208000034693 Laceration Diseases 0.000 title claims description 36
- 239000000463 material Substances 0.000 claims abstract description 68
- 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 26
- 239000002184 metal Substances 0.000 claims abstract description 13
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 3
- 238000004132 cross linking Methods 0.000 claims abstract description 3
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims description 54
- 239000011248 coating agent Substances 0.000 claims description 48
- 229920001296 polysiloxane Polymers 0.000 claims description 10
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 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
- 238000004073 vulcanization Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 7
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000000470 constituent Substances 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
- 241000237536 Mytilus edulis Species 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000020638 mussel Nutrition 0.000 description 2
- 239000003566 sealing material 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
- 229920000914 Metallic fiber Polymers 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
- 235000011929 mousse Nutrition 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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 process. anti-laceration coating for seat public transport or the like, as well as an element seat comprising this coating.
- anti-laceration coatings seats used in public places and in public transport usually includes a metal frame fixed by gluing on the face inside of a cover intended to cover a elastically deformable lining forming part a seat element.
- these anti-laceration coatings are made flat, the metal reinforcement being deposited on a layer of adhesive material itself deposited on a sheet of textile or similar material intended to form the cover, and then by hot polymerization of the adhesive material.
- the object of the present invention is in particular to bring improvements to this process of manufacturing.
- an anti-laceration coating of the type mentioned above this covering comprising a reinforcement flexible metal bonded by an adhesive material on a sheet of flexible material which forms the face exterior of the coating, the process of shaping the coating during manufacture and, for this, to successively file the different constituents of the coating in a mold the shape of a seat element to cover, to close the mold, to open it after polymerization or crosslinking of the adhesive material and demolding the coating thus obtained, characterized in that the adhesive material is polymerizable or crosslinkable to room temperature in a relatively short time, in the order of a few minutes.
- the hot curing of the adhesive material lasted 40 to 50 minutes approximately for example, so that, taking into account the heating and mold cooling, making a anti-laceration coating in a mold immobilized the mold for a period of at least one hour, this which required having a large fleet of mussels for manufacture of anti-laceration coatings at normal rate.
- the cold curing of hard adhesive material a few minutes, typically 2 to 4 minutes, so that a mold is only immobilized for 6 about minutes for the production of a coating anti-laceration, which allows a normal rate of coating manufacturing with a reduced fleet of mussels.
- 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 approx.) so that the coatings resist well to warm up by the sun, to stay flexible after polymerization, to have good resistance to fire, and be rigid enough in a short time to allow opening of molds and demoulding of the 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 armature metal is previously glued to a layer of flexible material, such as a jersey-like knit by example, and then cut to the dimensions of the surface to be protected from the seat element, front to be placed in the mold so that the frame is located between the aforementioned sheet of flexible material and said layer of flexible material.
- a layer of flexible material such as a jersey-like knit by 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 hinder or frustrate the formatting of this frame.
- Bonding the flexible reinforcement on a layer flexible such as a jersey-like knit allows manipulate the reinforcement to precisely cut it 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 is its maintaining the shape and dimensions of the cut during exterior manipulations.
- this layer of flexible material on which is glued the frame forms a barrier for the adhesive material which is deposited in the mold for fixing the frame on the ply of flexible material, this adhesive material thus remaining confined to closing the mold between the ply of 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 for fixing the covering to a frame, on a seat upholstery support member, or similar.
- the covering is also fixed by bonding on one side of the filling to be covered, especially when this face is concave, for good conform to the shape of this face and remain applied to this side when the anti-laceration coating is stretched over the seat element as mentioned above.
- 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 sealant and fire resistance, and by vulcanization of this material, before being cut as above and deposited in a mold for the manufacture of a anti-laceration coating.
- the aforementioned material which covers the internal 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, allowing in situ cleaning in particular anti-laceration coatings of the elements of seat, for example by injection-aspiration of a cleaning product (steam, liquid detergent, etc.) without damaging the upholstery of the seat elements and without having to dismantle the anti-laceration coverings and reassemble them.
- a cleaning product steam, liquid detergent, etc.
- this sealing material and fire resistance is a polymerizable silicone hot.
- the invention also relates to an element of seat or the like which includes a trim elastically deformable covered with a coating anti-laceration, characterized in that the coating anti-laceration is obtained by carrying out the process described above.
- the anti-laceration coating according to the invention which has been represented diagrammatically in FIG. 1, essentially comprises a web 12 of material flexible forming the outer face or aspect face of the coating and which is generally a sheet of material textile or plastic sheet or similar, this coating further comprising a 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 frame 14 is more or less drowned.
- the adhesive material 16 is of cold polymerizable type (at room temperature) and is for example a polyurethane or a silicone.
- the polymerization in a few minutes of this adhesive material reduces the duration of immobilization of the molds in which are deposited the various components 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 metallic threads 20 with jersey type or analog, which gives it great flexibility and great deformation capacity.
- Metallic wires 20 are typically galvanized steel wires having a diameter of the order of 0.7 millimeters and the meshes have a dimension of the order of a centimeter, which gives the frame 14 great resistance laceration attempts.
- the armature 14 is cut to the shapes and dimensions of the part of a seat element that it is intended for protect.
- the frame 14 which is extremely deformable, is previously fixed by gluing on a layer of flexible material 18, such as a cotton jersey knit by example, to form a whole with this layer 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 ply 12 of flexible material, which forms the outer layer of the anti-laceration coating, is cut, before being placed in the mold manufacturing, to dimensions which are greater than those of the seat element part to cover, so that the protruding parts of the ply 12 allow the fixing of the covering on a frame or on a trim support in the seat element.
- this seat element can be a seat cushion, with polyurethane foam padding or some other suitable subject, which includes a central part 22 of curved shape, for example in concave part, two side parts 24 which extend obliquely upward from the central part 22, and a front part 26 which is convex shape, all of the side parts 24 and of the front part 26 forming a sort of rim curved protruding or large bead surrounding the central part 22.
- This foam lining 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 sheet 12 of the anti-laceration coating will be fixed by stapling, by gluing, using strips of fabric to claws and hooking loops, or by any other appropriate means, this fixing allowing good stretch the anti-laceration coating on the lining of the seat element.
- this trim has parts in hollow or concave, it is better to fix the anti-laceration coating on the lining by bonding of the layer of flexible material 18 on the lining material, so that the coating fits the shapes of the concave parts well despite of the tension resulting from the above attachment on the frame or support of the trim.
- the material layer 30 forms a sealing between the ply 12 and the gasket the seat element, which makes it possible to clean the seat covers leaving them in place on the seat element fittings, for example by injection-suction of steam, liquid cleaning or whatever.
- the layer of material 30 also constitutes a fire barrier which gives off very little smoke toxic and opaque in contact with a flame.
- the method according to the invention can be simpler, especially when the coating anti-laceration does not include a knit layer 18 and layer of sealing material 30 and fire resistance.
Landscapes
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Paints Or Removers (AREA)
- Materials For Medical Uses (AREA)
- Adhesive Tapes (AREA)
- Toilet Supplies (AREA)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Abstract
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 (10)
- 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.
- Elément de siège ou analogue, comprenant une garniture élastiquement déformable, par exemple en mousse de polyuréthanne, recouverte d'un revêtement anti-lacération, caractérisé en ce que le revêtement anti-lacération est obtenu par exécution du procédé selon l'une des revendications précédentes.
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 true EP1127517A1 (fr) | 2001-08-29 |
EP1127517B1 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) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005079631A1 (fr) * | 2004-02-24 | 2005-09-01 | Imetali, Inc. | Siege non-feu |
FR2869776A1 (fr) | 2004-05-07 | 2005-11-11 | Grupo Antolin Ffi Soc Par Acti | Complexe anti laceration |
EP1621111A1 (fr) | 2004-07-28 | 2006-02-01 | Compin | Siège pour véhicule 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 |
FR2891778A1 (fr) * | 2005-10-10 | 2007-04-13 | Cera | Matelassure de siege de vehicule automobile dont le revetement comprend une zone paripherique dissociee de la mousse |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU591030B2 (en) * | 1987-02-20 | 1989-11-23 | Vickers Xatal Pty. Ltd. | Seat upholstery |
EP0467785A1 (fr) * | 1990-07-20 | 1992-01-22 | ETABLISSEMENTS M. DURET & FILS Société Anonyme dite: | Procédé de fabrication et de fixation d'une garniture souple sur un support de siège |
EP0981982A1 (fr) | 1998-08-28 | 2000-03-01 | Compin | Procédé de fabrication d'un revêtement anti-lacération pour siège ou analogue et élément de siège comprenant ce revêtement |
-
2000
- 2000-02-25 FR FR0002491A patent/FR2805444B1/fr not_active Expired - Lifetime
-
2001
- 2001-02-19 EP EP01400450A patent/EP1127517B1/fr not_active Expired - Lifetime
- 2001-02-19 AT AT01400450T patent/ATE287231T1/de active
- 2001-02-19 PT PT01400450T patent/PT1127517E/pt unknown
- 2001-02-19 DE DE60108429T patent/DE60108429T2/de not_active Expired - Lifetime
- 2001-02-19 ES ES01400450T patent/ES2236151T3/es not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU591030B2 (en) * | 1987-02-20 | 1989-11-23 | Vickers Xatal Pty. Ltd. | Seat upholstery |
EP0467785A1 (fr) * | 1990-07-20 | 1992-01-22 | ETABLISSEMENTS M. DURET & FILS Société Anonyme dite: | Procédé de fabrication et de fixation d'une garniture souple sur un support de siège |
EP0981982A1 (fr) | 1998-08-28 | 2000-03-01 | Compin | Procédé de fabrication d'un revêtement anti-lacération pour siège ou analogue et élément de siège comprenant ce revêtement |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005079631A1 (fr) * | 2004-02-24 | 2005-09-01 | Imetali, Inc. | Siege non-feu |
FR2869776A1 (fr) | 2004-05-07 | 2005-11-11 | Grupo Antolin Ffi Soc Par Acti | Complexe anti laceration |
EP1621111A1 (fr) | 2004-07-28 | 2006-02-01 | Compin | Siège pour véhicule de transport en commun |
FR2873555A1 (fr) | 2004-07-28 | 2006-02-03 | 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 |
FR2891778A1 (fr) * | 2005-10-10 | 2007-04-13 | Cera | Matelassure de siege de vehicule automobile dont le revetement comprend une zone paripherique dissociee de la mousse |
Also Published As
Publication number | Publication date |
---|---|
EP1127517B1 (fr) | 2005-01-19 |
DE60108429D1 (de) | 2005-02-24 |
DE60108429T2 (de) | 2005-12-22 |
PT1127517E (pt) | 2005-05-31 |
ATE287231T1 (de) | 2005-02-15 |
ES2236151T3 (es) | 2005-07-16 |
FR2805444B1 (fr) | 2002-06-07 |
FR2805444A1 (fr) | 2001-08-31 |
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