EP2737144A1 - Bi-material device for temporarily closing an openable body section on a stationary element of automobile body - Google Patents

Bi-material device for temporarily closing an openable body section on a stationary element of automobile body

Info

Publication number
EP2737144A1
EP2737144A1 EP12743504.8A EP12743504A EP2737144A1 EP 2737144 A1 EP2737144 A1 EP 2737144A1 EP 12743504 A EP12743504 A EP 12743504A EP 2737144 A1 EP2737144 A1 EP 2737144A1
Authority
EP
European Patent Office
Prior art keywords
tongue
opening
free end
opening element
polymeric 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.)
Granted
Application number
EP12743504.8A
Other languages
German (de)
French (fr)
Other versions
EP2737144B1 (en
Inventor
Stéphane PERCHE
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.)
Exsto Thermoplastics SAS
Original Assignee
Exsto Thermoplastiques SAS
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
Application filed by Exsto Thermoplastiques SAS filed Critical Exsto Thermoplastiques SAS
Publication of EP2737144A1 publication Critical patent/EP2737144A1/en
Application granted granted Critical
Publication of EP2737144B1 publication Critical patent/EP2737144B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C21/00—Arrangements or combinations of wing fastening, securing, or holding devices, not covered by a single preceding main group; Locking kits
    • E05C21/005—Provisional arrangements between door and frame for holding vehicle doors closed or partially open during manufacturing or maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0292—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work devices for holding several workpieces to be sprayed in a spaced relationship, e.g. vehicle doors spacers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0012—Accessories in connection with locks for lock parts held in place before or during mounting on the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/047—Portable bars or the like, i.e. completely removable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/34—Portable

Definitions

  • Temporary bi-material closure device for an element opening on a fixed element of a bodywork of a motor vehicle
  • the present invention relates to a device for temporarily closing an element opening on a fixed element of a bodywork of a motor vehicle.
  • the production lines of motor vehicles include paint lines of bodies that are provided with openings, including doors.
  • These devices are constituted by metal parts that have a service life at least equal to the manufacturing time of the vehicles on which they are used.
  • the metal parts may deteriorate the body and / or paint during their installation or removal, and they must regularly undergo various cleaning treatments, the frequency depends on the rate of fouling at each passage in the lines paint.
  • the temporary closure devices are subjected to a reconditioning operation on a control template.
  • the temporary closure device however has the disadvantage of having a tab constituting a means of retaining the opening element which is subject to high stresses and deformations when closing the opening element on the fixed element .
  • the effort to overcome during this closure is important. When the opening element comes into contact with the tongue and forces it to fade, the friction that occurs can scale the paint or layers applied to the opening member and / or abrade the tongue itself.
  • plastic or metal dust from the temporary closure device itself, and particularly the tongue or the body, can be deposited on the body, and constitute final visual defects once covered by a layer of paint.
  • the object of the invention is to provide a solution that overcomes the disadvantages detailed above and is particularly suitable for avoiding the generation of grains during painting operations of the body of a motor vehicle.
  • the subject of the invention is a device for temporarily closing an element opening on a fixed element of a bodywork of a motor vehicle, a housing being formed in the opening element or in the fixed element, said device comprising a body: - which is provided with anchoring means on the fixed element or on the opening element, and
  • a retaining means designed to maintain the opening element in an intermediate closure position with respect to the fixed element
  • the retaining means being formed by an elastic tongue able to bend under the constraint exerted by a first rim of the housing on a free end of the tongue during the displacement of the opening element from a free opening position to the intermediate closed position
  • said device being characterized in that at least the portion of the end free which is in contact with the first flange during said displacement is made of a polymer material whose hardness is between 90 shore A scale and 60 shore D scale and whose tear strength measured according to ISO 34-1 is greater than 70 kN / m.
  • the inventors of the present invention have found, quite surprisingly, that, thanks to the technical characteristics of the polymer material detailed above, in which the portion of the tongue end in contact with the rim of the opening element is made, the temporary closure device according to the invention does not generate dust during body painting operations. The formation of grains is thus avoided, which is quite advantageous for vehicle body painting operations.
  • the temporary closure device according to the invention exhibits good properties of elasticity and resistance to stress exerted by the opening element during its movement, since its body can be made without difficulty in a plastic material conventionally used for this purpose. type of temporary closure device.
  • polyamide 6-6 which also has the advantage of being resistant to high temperatures, such as those to which a motor vehicle body is exposed during the baking of a layer of paint. order of 180 ° C).
  • the temporary closure device according to the invention has the advantage that the part of the body which is in contact with the rim, possibly cutting, of the opening element is "preserved” and remains intact because it achieved in one suitable polymeric material that resists friction that generates unwanted particles. In other words, this polymeric material has good abrasion resistance.
  • the temporary closure device according to the invention is advantageously two-material.
  • the temporary closure device according to the invention also has the advantage of being able to be implemented according to the mounting methods conventionally used for this type of temporary closure device. Indeed, it is positioned in the same place on the motor vehicle, using the same tools and in a mounting time equivalent to that of temporary closure devices of this type. In other words, the use of the temporary closure device according to the present invention fits perfectly into the assembly line, without any modification of the assembly process.
  • said portion of the free end of the tongue made of the polymeric material described above forms a protruding nose over a length of between one quarter and one half of the length of the tongue. .
  • this free end portion of the tongue is obtained by overmolding on the tongue.
  • half of the free end of the tongue is made of said polymeric material by overmolding on the tongue.
  • the hardness of the polymer material is between the first and the second hardness
  • the tear strength of the polymer material is greater than 80 kN / m, more preferably greater than 90 kN / m.
  • the polymeric material as described above advantageously has a melting point of greater than 170 ° C, preferably greater than 180 ° C. In this way, the polymer material is resistant to exposure at 180 ° C which is the typical temperature to which the bodies are subjected, during automotive vehicle body painting operations in drying tunnels.
  • the polymeric material may be selected from the group consisting of elastomers, thermoplastic elastomers and thermosets.
  • the polymeric material is selected from the group consisting of polyurethane thermoplastic elastomers, styrenic thermoplastic elastomers and polysiloxanes.
  • Overmolding can be achieved by an injection, dipping or spraying process.
  • the overmoulding can be ensured by chemical adhesion or by mechanical grip.
  • overmolding techniques are quite within the reach of the skilled person.
  • the device further comprises a stop for cooperating with a second flange of the housing during movement of the opening element of the free opening position to the intermediate closed position.
  • the body is extended in its area substantially corresponding to the base of the tongue by a plate suspended above a recessed area, the plate and the tongue being connected by an arch ensuring a flexible connection.
  • the arch is connected to the tongue substantially in the middle, and the plate substantially at its free end.
  • the arch is connected to the tongue substantially in the middle, and the plate substantially at its free end.
  • the plate is turned in a direction opposite to the first end of the device.
  • the protruding nose is located at the end of the tongue.
  • the thickness of the protruding nose is less than 2 mm.
  • the tongue has at its base a recessed portion.
  • the abutment comprises a shock absorbing means due to contact with the first rim of the opening element when closed on the fixed element.
  • the absorption means is constituted by a portion of material suspended relative to the body, so as to be locally deformed under the constraint of the first rim of the opening element.
  • An opening is formed in the body of the device through it through.
  • the body has below its lower face a plate extending on either side of the body and perpendicular to the body, the lower surface of the plate being provided with a plurality of pads providing a space between the plate and the corresponding bearing surface of the fixed member.
  • the pads have a length of the order of 1 mm, providing an equivalent space between the plate and the corresponding bearing surface of the fixed element.
  • the pads are distributed on the periphery of the lower surface of the plate.
  • the body of the device comprises a hooking cavity for the passage and the maintenance of a rigid wire at one of its ends, the wire being adapted to maintain at its other end the opening element in a half-open position .
  • the body comprises a pin contributing to ensure its attachment to the fixed element, by its introduction into the threaded orifice, the cavity passing through the pin along its longitudinal axis.
  • FIG. 1 is a perspective view of the temporary closure device according to the invention.
  • FIG. 2 is a front view of the temporary closure device according to the invention.
  • FIG. 3 is a perspective view of the temporary closure device according to the invention, mounted on the fixed element.
  • FIG. 4 is a schematic perspective view of the temporary closure device according to the invention against which the opening element is disposed in abutment, the opening element thus being in the intermediate closed position.
  • the opening element 1 which is constituted by a door, comprises a housing 2 for receiving a lock.
  • the housing 2 is formed by a cut made on the inner face of the opening element 1 and comprises in particular a flange 3, extending perpendicularly to the plane of the opening element 1, and a flange 4, extending parallel to the plane said opening element 1.
  • These flanges 3 and 4 are intended to cooperate with the temporary closure device 10.
  • the fixed element 5 has two threaded holes 6 and parallel.
  • the fixed element 5 comprises in the axis of each threaded orifice 6 a recess (not visible in Figure 3).
  • the temporary closure device 10 shown in the figures comprises a one-piece body 1 1 polyamide 6-6, provided with anchoring means (detailed below) in the threaded holes 6, which comprises a stop 18 intended to cooperate with the flange 3 of the housing 2, when closing the opening element 1, and a retaining means, in the form of a tongue 19, of the opening element 1 in its intermediate closed position against the element fixed 5, and which is intended to penetrate inside the housing 2 behind the rim 4.
  • the tongue 19 has a protruding nose 19a flat, perpendicular to the plane of the tongue 19, turned towards the abutment 1 8.
  • the protruding nose 19a cooperates in contact with its edge 19b with the flange 4 of the housing 2, when moving of the opening element 1 from its free opening position to its intermediate closed position.
  • the contact zone, during the displacement of the opening element 1 is almost point, which facilitates the sliding of the flange 4 and starts as little paint as possible, when the device 10 is already covered with paint and it is again brought into contact with the opening element 1 when the latter is closed again.
  • the body 1 1 comprises a plate 12 extending on either side of the body 1 1 and perpendicular to this body 1 1, thus forming lateral wings intended for fixing the device 10 on the fixed element 5.
  • the anchoring means of the temporary closure device 10 on the fixed element 5 comprise fastening members formed, on the one hand, by a pin 13 disposed below the plate 12, and on the other hand by a screw 17 integrally with the body 1 1 of the device 10 and connected thereto by lugs (captive screw).
  • the screw 17 is essentially located above the plate 12, ready to be screwed and to pass through the plane of the plate 12.
  • the pin 13 and the screw 17 are arranged substantially parallel, each on a corresponding flange of the plate 12 and separated by the body 1 1.
  • the pin 13 and the screw may be arranged at the ends of the lateral wings of the plate 12.
  • the pin 13 has at its free end a centering cone 15 in the corresponding threaded hole 6, or a rounded surface having the same effect.
  • the screw 17 comprises at its tip a centering cone or a rounded surface for the same purpose.
  • the anchoring means also comprise interlocking members in the not shown recesses and which consist of two shoulders 16 each disposed below the plate 12 in the corresponding axis of the pin 13 and the screw 17.
  • the pin 13 can be either completely cylindrical or half cylindrical. As shown in Figure 3, the pin 13 is half-cylindrical.
  • the elastic tongue 19 extends above the body January 1 at an inclination of the order of 15 and 30 ° relative to the vertical plane, defined by the axes of the pin 13 and the screw 17 ( Figure 1).
  • the inclination of the tongue is defined in the direction opposite to the stop 18 of the device 10.
  • the body 1 1 of the device 10 is extended in its zone substantially corresponding to the base of the tongue 19, by a plate 20, parallel to the plate 12, suspended above a recessed area.
  • This plate 20 constitutes a secondary tongue intended to take up part of the stresses and the deformation of the tongue 19.
  • the tongue 19 and the plate 20 are connected by an arch 21 providing a flexible connection.
  • the arch 21 is connected to the tongue 1 9 in the middle, and the plate 20 at its free end.
  • the flexion of the tongue 19 is as limited as the stresses and the deformation are distributed over various parts of the device 10.
  • the fixed elements 5 of this body intended to receive the opening elements 1 when they are closed are each equipped with a closing device provisional 10.
  • the operator engages the centering cones 15 of the pin 1 3 in the threaded hole 6 corresponding to the fixed member 5 and exerts a pressure on the body 1 1 so that, on the one hand, the piece 13 penetrates into a threaded orifice 6 and, on the other hand, each shoulder 16 fits into the recess (not shown in the figures) formed on the fixed element 5.
  • the recesses (not shown in the figures) have a square shape and the shoulders 16 have a cylindrical shape.
  • the operator first engages the pin 13 in the corresponding tapped hole 6 and then this operator screws the screw 17 in the other tapped hole 6.
  • the tab 19 resumes its initial position, thanks to its elasticity, and ensures the locking of the rim 4 and consequently of the opening element 1.
  • the elastic tab 19 flexes in the opposite direction so as to let the flange 4 which allows the opening of the opening element 1.
  • the operator To remove the temporary closure device 10 from the fixed element 5, the operator first unscrews the screw 17 and then exerts a pull on the body 1 1 so as to release the pin 13 from the threaded orifice 6 .
  • the temporary closure device according to the invention avoids any deterioration of the paint and / or body during its installation or removal. With this temporary closure device, grains are not generated during body painting operations of a motor vehicle.

Abstract

The invention relates to a device (10) for temporarily closing an openable body section on a stationary element of automobile body, wherein a recess is provided in the openable body section or in the stationary element, said device (10) including a body (11) provided with a means (13, 17) for anchoring onto the stationary element or onto the openable body section, and comprising a retaining means (19) designed so as to keep the openable body section in an intermediate closed position relative to the stationary element, wherein the retaining means consists of an elastic tab (19) capable of bending under stress exerted by a first edge of the recess onto a free end (19a) of the tab (19) during the movement of the openable body section from a free open position to the intermediate closed position, characterized in that at least the portion of the free end (19a) that contacts the first edge during said movement is made of a polymeric material, the hardness of which is between 90 on the Shore A scale and 60 on the Shore D scale, and the tear strength of which, as measured according to the ISO 34-1 standard, is higher than 70 kN/m.

Description

Dispositif de fermeture provisoire bi-matières d'un élément ouvrant sur un élément fixe d'une carrosserie d'un véhicule automobile  Temporary bi-material closure device for an element opening on a fixed element of a bodywork of a motor vehicle
La présente invention se rapporte à un dispositif de fermeture provisoire d'un élément ouvrant sur un élément fixe d'une carrosserie d'un véhicule automobile. The present invention relates to a device for temporarily closing an element opening on a fixed element of a bodywork of a motor vehicle.
Les chaînes de fabrication des véhicules automobiles comportent des lignes de peinture des carrosseries qui sont munies d'ouvrants, et notamment de portes.  The production lines of motor vehicles include paint lines of bodies that are provided with openings, including doors.
Ces ouvrants ne sont pas encore équipés de leurs dispositifs de fermeture ou serrures définitifs, et il est donc nécessaire de prévoir des dispositifs de fermeture provisoire et amovibles qui permettent de maintenir les ouvrants en position de fermeture intermédiaire sur la carrosserie au cours de son transfert sur la ligne de peinture.  These doors are not yet equipped with their closing devices or definitive locks, and it is therefore necessary to provide temporary and removable closure devices that maintain the opening in the intermediate position on the bodywork during its transfer to the painting line.
Dans le passé, des dispositifs de fermeture provisoire montés à la place de la serrure définitive au moyen d'organes de fixation, comme par exemple des vis, ont été proposés.  In the past, temporary closure devices mounted in place of the final lock by means of fasteners, such as screws, have been proposed.
Ces dispositifs sont constitués par des pièces métalliques qui ont une durée de vie au moins égale à la durée de fabrication des véhicules sur lesquels ils sont utilisés. Cependant, les pièces métalliques risquent de détériorer la carrosserie et/ou la peinture lors de leur pose ou de leur dépose, et elles doivent subir régulièrement divers traitements de nettoyage, dont la fréquence dépend de la rapidité d'encrassement à chaque passage dans les lignes de peinture. De plus, après ce nettoyage, les dispositifs de fermeture provisoire sont soumis à une opération de remise en conformité sur un gabarit de contrôle.  These devices are constituted by metal parts that have a service life at least equal to the manufacturing time of the vehicles on which they are used. However, the metal parts may deteriorate the body and / or paint during their installation or removal, and they must regularly undergo various cleaning treatments, the frequency depends on the rate of fouling at each passage in the lines paint. In addition, after this cleaning, the temporary closure devices are subjected to a reconditioning operation on a control template.
On connaît un dispositif de fermeture provisoire d'un élément ouvrant sur un élément fixe, tel qu'illustré dans le document EP 931 895 B1 , surmontant les inconvénients précédents, de conception simple et économique, ne nécessitant aucun organe de fixation, ce qui permet une plus grande facilité et une plus grande rapidité de pose et de dépose du dispositif.  There is known a device for temporarily closing an element opening on a fixed element, as illustrated in the document EP 931 895 B1, overcoming the above disadvantages, of simple and economical design, requiring no fastener, which allows greater ease and greater speed of installation and removal of the device.
Le dispositif de fermeture provisoire selon ce document présente toutefois l'inconvénient de comporter une languette constituant un moyen de retenue de l'élément ouvrant qui est sujet à de fortes contraintes et déformations lors de la fermeture de l'élément ouvrant sur l'élément fixe. L'effort à vaincre lors de cette fermeture est donc important. Or, lorsque l'élément ouvrant vient au contact de la languette et force cette dernière à s'effacer, les frottements qui se produisent peuvent écailler la ou les couches de peinture appliquées sur l'élément ouvrant et/ou abraser la languette elle- même. The temporary closure device according to this document however has the disadvantage of having a tab constituting a means of retaining the opening element which is subject to high stresses and deformations when closing the opening element on the fixed element . The effort to overcome during this closure is important. When the opening element comes into contact with the tongue and forces it to fade, the friction that occurs can scale the paint or layers applied to the opening member and / or abrade the tongue itself.
En outre, après plusieurs manipulations de l'élément ouvrant, des poussières de plastique ou métalliques, provenant du dispositif de fermeture provisoire lui-même, et tout particulièrement de la languette, ou de la carrosserie, peuvent se déposer sur la carrosserie, et constituer des défauts visuels définitifs une fois recouverts par une couche de peinture.  In addition, after several manipulations of the opening element, plastic or metal dust, from the temporary closure device itself, and particularly the tongue or the body, can be deposited on the body, and constitute final visual defects once covered by a layer of paint.
En effet, ces poussières, lors du passage en cabine ou en étuve, sont véhiculées par le brassage d'air de la ventilation et se redéposent de manière aléatoire sous l'effet de la pesanteur sur la carrosserie. Cela génère des grains, nuisibles à l'aspect de la voiture finie en tant que corps étranger sous le film de peinture de couches ultérieures.  Indeed, these dusts, during passage in the cabin or oven, are conveyed by the ventilation air mixing and are redeposited randomly under the effect of gravity on the body. This generates grains, detrimental to the appearance of the finished car as a foreign body under the subsequent layered paint film.
Pour éviter cela et satisfaire aux critères de qualité en matière de peinture de carrosserie, les constructeurs de véhicules automobiles sont amenés à retirer ces grains par ponçage local et à appliquer une nouvelle couche de peinture. Ces opérations minutieuses compliquent sérieusement le processus de peinture de carrosserie et en augmente le coût.  To avoid this and to meet the quality criteria for body painting, motor vehicle manufacturers are required to remove these grains by local sanding and to apply a new coat of paint. These minute operations seriously complicate the body painting process and increase the cost.
C'est pourquoi, les constructeurs cherchent à tout à prix à supprimer cette imperfection visuelle, tant au niveau de l'élément ouvrant que de l'élément fixe, car cela entraîne un taux de recyclage des caisses très élevé et engendre par conséquent des coûts supplémentaires de fabrications des véhicules automobiles.  Therefore, the manufacturers are looking at all costs to remove this visual imperfection, both at the level of the opening element of the fixed element, because it leads to a very high rate of recycling crates and therefore generates costs additional manufacturing of motor vehicles.
Le but de l'invention est de proposer une solution qui permet de pallier les inconvénients détaillés ci-dessus et qui est tout particulièrement appropriée pour éviter la génération de grains au cours des opérations de peinture de la carrosserie de véhicule automobile.  The object of the invention is to provide a solution that overcomes the disadvantages detailed above and is particularly suitable for avoiding the generation of grains during painting operations of the body of a motor vehicle.
A cet effet, l'invention a pour objet un dispositif de fermeture provisoire d'un élément ouvrant sur un élément fixe d'une carrosserie d'un véhicule automobile, un logement étant ménagé dans l'élément ouvrant ou dans l'élément fixe, ledit dispositif comprenant un corps : - qui est muni de moyens d'ancrage sur l'élément fixe ou sur l'élément ouvrant, et For this purpose, the subject of the invention is a device for temporarily closing an element opening on a fixed element of a bodywork of a motor vehicle, a housing being formed in the opening element or in the fixed element, said device comprising a body: - which is provided with anchoring means on the fixed element or on the opening element, and
- qui comporte un moyen de retenue conçu de manière à maintenir l'élément ouvrant dans une position de fermeture intermédiaire par rapport à l'élément fixe, le moyen de retenue étant formé par une languette élastique apte à se fléchir sous la contrainte exercée par un premier rebord du logement sur une extrémité libre de la languette lors du déplacement de l'élément ouvrant d'une position libre d'ouverture vers la position de fermeture intermédiaire, ledit dispositif se caractérisant en ce qu'au moins la partie de l'extrémité libre qui est en contact avec le premier rebord au cours dudit déplacement est réalisée en un matériau polymère dont la dureté est comprise entre 90 shore échelle A et 60 shore échelle D et dont la résistance à la déchirure mesurée selon la norme ISO 34-1 est supérieure à 70 kN/m.  - which comprises a retaining means designed to maintain the opening element in an intermediate closure position with respect to the fixed element, the retaining means being formed by an elastic tongue able to bend under the constraint exerted by a first rim of the housing on a free end of the tongue during the displacement of the opening element from a free opening position to the intermediate closed position, said device being characterized in that at least the portion of the end free which is in contact with the first flange during said displacement is made of a polymer material whose hardness is between 90 shore A scale and 60 shore D scale and whose tear strength measured according to ISO 34-1 is greater than 70 kN / m.
Les inventeurs de la présente invention se sont aperçus de manière tout à fait surprenante que grâce aux caractéristiques techniques du matériau polymère détaillées ci-dessus en lequel est réalisée la partie de l'extrémité de languette en contact avec le rebord de l'élément ouvrant, le dispositif de fermeture provisoire selon l'invention ne génère pas de poussières au cours des opérations de peinture de carrosserie. La formation de grains est ainsi évitée, ce qui est tout à fait avantageux pour les opérations de peinture de carrosserie de véhicule automobile.  The inventors of the present invention have found, quite surprisingly, that, thanks to the technical characteristics of the polymer material detailed above, in which the portion of the tongue end in contact with the rim of the opening element is made, the temporary closure device according to the invention does not generate dust during body painting operations. The formation of grains is thus avoided, which is quite advantageous for vehicle body painting operations.
Le dispositif de fermeture provisoire selon l'invention exhibe de bonnes propriétés d'élasticité et de résistance à la contrainte exercée par l'élément ouvrant au cours de son déplacement, puisque son corps peut être réalisé sans difficulté en un matériau plastique classiquement utilisé pour ce type de dispositif de fermeture provisoire.  The temporary closure device according to the invention exhibits good properties of elasticity and resistance to stress exerted by the opening element during its movement, since its body can be made without difficulty in a plastic material conventionally used for this purpose. type of temporary closure device.
Typiquement, il s'agit du polyamide 6-6 qui présente aussi l'intérêt d'être résistant à des températures élevées, telles que celles auxquelles est exposée une caisse de véhicule automobile lors de la cuisson d'une couche de peinture (de l'ordre de 180°C).  Typically, it is polyamide 6-6 which also has the advantage of being resistant to high temperatures, such as those to which a motor vehicle body is exposed during the baking of a layer of paint. order of 180 ° C).
De plus, par rapport aux dispositifs de fermeture provisoire connus, le dispositif de fermeture provisoire selon l'invention présente l'avantage que la partie du corps qui est en contact avec le rebord, éventuellement coupant, de l'élément ouvrant est « préservée » et demeure intacte, car elle réalisée en un matériau polymère approprié qui résiste aux frottements générateurs de particules indésirables. En d'autres termes, ce matériau polymère présente une bonne résistance à l'abrasion. In addition, compared to the known temporary closure devices, the temporary closure device according to the invention has the advantage that the part of the body which is in contact with the rim, possibly cutting, of the opening element is "preserved" and remains intact because it achieved in one suitable polymeric material that resists friction that generates unwanted particles. In other words, this polymeric material has good abrasion resistance.
Le dispositif de fermeture provisoire selon l'invention est avantageusement bi-matières.  The temporary closure device according to the invention is advantageously two-material.
Le dispositif de fermeture provisoire selon l'invention présente en outre l'avantage de pouvoir être mis en place selon les méthodes de montage classiquement utilisées pour ce type de dispositif de fermeture provisoire. En effet, il se positionne au même endroit sur le véhicule automobile, en utilisant les mêmes outils et en un temps de montage équivalent à celui des dispositifs de fermeture provisoire de ce type. Autrement dit, l'utilisation du dispositif de fermeture provisoire selon la présente invention s'intègre parfaitement dans la chaîne de montage, et ce sans aucune modification du procédé de montage.  The temporary closure device according to the invention also has the advantage of being able to be implemented according to the mounting methods conventionally used for this type of temporary closure device. Indeed, it is positioned in the same place on the motor vehicle, using the same tools and in a mounting time equivalent to that of temporary closure devices of this type. In other words, the use of the temporary closure device according to the present invention fits perfectly into the assembly line, without any modification of the assembly process.
Dans un mode de réalisation de l'invention, ladite partie de l'extrémité libre de la languette réalisée en le matériau polymère décrit ci- dessus forme un nez en saillie sur une longueur comprise entre un quart et la moitié de la longueur de la languette.  In one embodiment of the invention, said portion of the free end of the tongue made of the polymeric material described above forms a protruding nose over a length of between one quarter and one half of the length of the tongue. .
Avantageusement, cette partie d'extrémité libre de la languette est obtenue par surmoulage sur la languette.  Advantageously, this free end portion of the tongue is obtained by overmolding on the tongue.
Selon un mode de réalisation de l'invention, la moitié de l'extrémité libre de la languette est réalisée en ledit matériau polymère par surmoulage sur la languette.  According to one embodiment of the invention, half of the free end of the tongue is made of said polymeric material by overmolding on the tongue.
En fonction des moules de surmoulage à sa portée et de la technicité du procédé de surmoulage utilisé, l'homme du métier pourra décider de la partie du dispositif de fermeture provisoire selon l'invention qu'il est opportun de surmouler en le matériau polymère exhibant les caractéristiques techniques décrites ci-dessus.  Depending on the molding molds within reach and the technicality of the overmolding process used, a person skilled in the art will be able to decide on the part of the temporary closure device according to the invention that it is expedient to overmold in the polymeric material exhibiting the technical characteristics described above.
De préférence, la dureté du matériau polymère est comprise entre Preferably, the hardness of the polymer material is between
90 shore échelle A et 97 shore échelle A. 90 shore A scale and 97 shore A scale.
De manière préférée, la résistance à la déchirure du matériau polymère est supérieure à 80 kN/m, encore plus préférentiellement supérieure à 90 kN/m.  Preferably, the tear strength of the polymer material is greater than 80 kN / m, more preferably greater than 90 kN / m.
Le matériau polymère tel que décrit ci-dessus a avantageusement une température de fusion supérieure à 170°C, de préférence supérieure à 180°C. De cette manière, le matériau polymère est résistant à une exposition à 180°C qui est la température typique à laquelle sont soumises les carrosseries, au cours des opérations de peinture de carrosserie de véhicule automobile dans les tunnels de séchage. The polymeric material as described above advantageously has a melting point of greater than 170 ° C, preferably greater than 180 ° C. In this way, the polymer material is resistant to exposure at 180 ° C which is the typical temperature to which the bodies are subjected, during automotive vehicle body painting operations in drying tunnels.
Le matériau polymère peut être choisi dans le groupe constitué par les élastomères, les élastomères thermoplastiques et les thermodurcissables.  The polymeric material may be selected from the group consisting of elastomers, thermoplastic elastomers and thermosets.
De manière préférée, le matériau polymère est choisi dans le groupe constitué par les élastomères thermoplastiques de polyuréthane, les élastomères thermoplastiques styréniques, les polysiloxanes.  Preferably, the polymeric material is selected from the group consisting of polyurethane thermoplastic elastomers, styrenic thermoplastic elastomers and polysiloxanes.
Le surmoulage peut être réalisé par un procédé d'injection, de trempage ou de pulvérisation. La tenue du surmoulage peut être assurée par adhésion chimique ou par accroche mécanique. Bien entendu, les techniques de surmoulage sont tout à fait à la portée de l'homme du métier.  Overmolding can be achieved by an injection, dipping or spraying process. The overmoulding can be ensured by chemical adhesion or by mechanical grip. Of course, overmolding techniques are quite within the reach of the skilled person.
Selon d'autres caractéristiques du dispositif selon l'invention :  According to other features of the device according to the invention:
- Le dispositif comporte en outre une butée destinée à coopérer avec un second rebord du logement lors du déplacement de l'élément ouvrant de la position libre d'ouverture vers la position de fermeture intermédiaire.  - The device further comprises a stop for cooperating with a second flange of the housing during movement of the opening element of the free opening position to the intermediate closed position.
- Le corps est prolongé dans sa zone correspondant sensiblement à la base de la languette par une platine suspendue au dessus d'une zone évidée, la platine et la languette étant reliées par une arche assurant une liaison souple.  - The body is extended in its area substantially corresponding to the base of the tongue by a plate suspended above a recessed area, the plate and the tongue being connected by an arch ensuring a flexible connection.
- L'arche est raccordée à la languette sensiblement en son milieu, et à la platine sensiblement à son extrémité libre. - The arch is connected to the tongue substantially in the middle, and the plate substantially at its free end.
- L'arche est raccordée à la languette sensiblement en son milieu, et à la platine sensiblement à son extrémité libre.- The arch is connected to the tongue substantially in the middle, and the plate substantially at its free end.
- La platine est tournée dans une direction opposée à la première extrémité du dispositif. - The plate is turned in a direction opposite to the first end of the device.
- La languette et la platine forment un angle aigu.  - The tongue and the plate form an acute angle.
- La languette, la platine et l'arche sont venues de matière avec le corps du dispositif.  - The tongue, the plate and the arch came from material with the body of the device.
- Le nez en saillie est situé à l'extrémité de la languette. - The protruding nose is located at the end of the tongue.
- L'épaisseur du nez en saillie est inférieure à 2 mm. - The thickness of the protruding nose is less than 2 mm.
- La languette comporte à sa base une partie évidée.  - The tongue has at its base a recessed portion.
- La butée comporte un moyen d'absorption du choc dû au contact du premier rebord de l'élément ouvrant lors de sa fermeture sur l'élément fixe. - Le moyen d'absorption est constitué par une portion de matière suspendue par rapport au corps, de manière à pouvoir se déformer localement sous la contrainte du premier rebord de l'élément ouvrant. - The abutment comprises a shock absorbing means due to contact with the first rim of the opening element when closed on the fixed element. - The absorption means is constituted by a portion of material suspended relative to the body, so as to be locally deformed under the constraint of the first rim of the opening element.
- Une ouverture est ménagée dans le corps du dispositif en le traversant de part en part.  - An opening is formed in the body of the device through it through.
- Le corps comporte au-dessous de sa face inférieure une plaque s'étendant de part et d'autre du corps et perpendiculairement à ce corps, la surface inférieure de la plaque étant pourvue d'une pluralité de plots ménageant un espace entre la plaque et la surface d'appui correspondante de l'élément fixe.  - The body has below its lower face a plate extending on either side of the body and perpendicular to the body, the lower surface of the plate being provided with a plurality of pads providing a space between the plate and the corresponding bearing surface of the fixed member.
- Les plots ont une longueur de l'ordre de 1 mm, ménageant un espace équivalent entre la plaque et la surface d'appui correspondante de l'élément fixe.  - The pads have a length of the order of 1 mm, providing an equivalent space between the plate and the corresponding bearing surface of the fixed element.
- Les plots sont répartis sur la périphérie de la surface inférieure de la plaque.  - The pads are distributed on the periphery of the lower surface of the plate.
- Le corps du dispositif comporte une cavité d'accrochage permettant le passage et le maintien d'un fil rigide à l'une de ses extrémités, le fil étant apte à maintenir à son autre extrémité l'élément ouvrant dans une position d'entrebâillement.  - The body of the device comprises a hooking cavity for the passage and the maintenance of a rigid wire at one of its ends, the wire being adapted to maintain at its other end the opening element in a half-open position .
- Le corps comporte un pion contribuant à assurer sa fixation sur l'élément fixe, par son introduction dans l'orifice taraudé, la cavité traversant le pion selon son axe longitudinal.  - The body comprises a pin contributing to ensure its attachment to the fixed element, by its introduction into the threaded orifice, the cavity passing through the pin along its longitudinal axis.
D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description qui va suivre et faite en référence aux dessins annexés, sur lesquels :  Other characteristics and advantages of the invention will appear on reading the description which follows and with reference to the appended drawings, in which:
- La figure 1 est une vue en perspective du dispositif de fermeture provisoire selon l'invention.  - Figure 1 is a perspective view of the temporary closure device according to the invention.
- La figure 2 est une vue de face du dispositif de fermeture provisoire selon l'invention.  - Figure 2 is a front view of the temporary closure device according to the invention.
- La figure 3 est une vue en perspective du dispositif de fermeture provisoire selon l'invention, monté sur l'élément fixe.  - Figure 3 is a perspective view of the temporary closure device according to the invention, mounted on the fixed element.
- La figure 4 est une vue schématique en perspective du dispositif de fermeture provisoire selon l'invention contre lequel l'élément ouvrant est disposé en butée, l'élément ouvrant étant ainsi dans la position de fermeture intermédiaire. FIG. 4 is a schematic perspective view of the temporary closure device according to the invention against which the opening element is disposed in abutment, the opening element thus being in the intermediate closed position.
Ainsi que représenté à la figure 4, l'élément ouvrant 1 qui est constitué par une porte, comporte un logement 2 destiné à recevoir une serrure. Le logement 2 est formé par une découpe réalisée sur la face interne de l'élément ouvrant 1 et comporte notamment un rebord 3, s'étendant perpendiculairement au plan de l'élément ouvrant 1 , et un rebord 4, s'étendant parallèlement au plan dudit élément ouvrant 1 . Ces rebords 3 et 4 sont destinés à coopérer avec le dispositif de fermeture provisoire 10.  As shown in Figure 4, the opening element 1 which is constituted by a door, comprises a housing 2 for receiving a lock. The housing 2 is formed by a cut made on the inner face of the opening element 1 and comprises in particular a flange 3, extending perpendicularly to the plane of the opening element 1, and a flange 4, extending parallel to the plane said opening element 1. These flanges 3 and 4 are intended to cooperate with the temporary closure device 10.
Tel que représenté à la figure 3, l'élément fixe 5 comporte deux orifices 6 taraudés et parallèles.  As shown in Figure 3, the fixed element 5 has two threaded holes 6 and parallel.
De plus, l'élément fixe 5 comporte dans l'axe de chaque orifice taraudé 6 un évidement (non visible sur la figure 3).  In addition, the fixed element 5 comprises in the axis of each threaded orifice 6 a recess (not visible in Figure 3).
Le dispositif de fermeture provisoire 10 représenté sur les figures comprend un corps 1 1 monobloc en polyamide 6-6, muni de moyens d'ancrage (détaillés ci-après) dans les orifices taraudés 6, qui comporte une butée 18 destinée à coopérer avec le rebord 3 du logement 2, lors de la fermeture de l'élément ouvrant 1 , ainsi qu'un moyen de retenue, sous la forme d'une languette 19, de l'élément ouvrant 1 dans sa position de fermeture intermédiaire contre l'élément fixe 5, et qui est destiné à pénétrer à l'intérieur du logement 2 derrière le rebord 4.  The temporary closure device 10 shown in the figures comprises a one-piece body 1 1 polyamide 6-6, provided with anchoring means (detailed below) in the threaded holes 6, which comprises a stop 18 intended to cooperate with the flange 3 of the housing 2, when closing the opening element 1, and a retaining means, in the form of a tongue 19, of the opening element 1 in its intermediate closed position against the element fixed 5, and which is intended to penetrate inside the housing 2 behind the rim 4.
La languette 19 présente un nez en saillie 19a plat, perpendiculaire au plan de la languette 19, tourné du côté de la butée 1 8. Le nez en saillie19a coopère en contact par sa tranche 19b avec le rebord 4 du logement 2, lors du déplacement de l'élément ouvrant 1 de sa position libre d'ouverture vers sa position de fermeture intermédiaire.  The tongue 19 has a protruding nose 19a flat, perpendicular to the plane of the tongue 19, turned towards the abutment 1 8. The protruding nose 19a cooperates in contact with its edge 19b with the flange 4 of the housing 2, when moving of the opening element 1 from its free opening position to its intermediate closed position.
La zone de contact, lors du déplacement de l'élément ouvrant 1 est quasi ponctuelle, ce qui facilite le glissement du rebord 4 et entame le moins de peinture possible, lorsque le dispositif 10 est déjà recouvert de peinture et qu'il est à nouveau mis au contact de l'élément ouvrant 1 lors d'une nouvelle fermeture de ce dernier.  The contact zone, during the displacement of the opening element 1 is almost point, which facilitates the sliding of the flange 4 and starts as little paint as possible, when the device 10 is already covered with paint and it is again brought into contact with the opening element 1 when the latter is closed again.
Mais surtout, la moitié de l'extrémité libre de la languette 19, dont en particulier le nez en saillie 19a, a été réalisée par surmoulage sur la languette 19 avec du polyuréthane thermoplastique de type polyester. Ainsi, grâce à ce matériau polymère approprié, le nez en saillie 19a est protégé et n'est pas raboté par le rebord 4 de l'élément ouvrant 1 au cours de son déplacement de sa position d'ouverture libre vers sa position de fermeture intermédiaire. De cette manière, le déplacement de l'élément ouvrant 1 ne génère pas poussières de matériaux, à l'origine de la formation des grains au cours des opérations de peinture de carrosserie de véhicule automobile. But above all, half of the free end of the tongue 19, including the protruding nose 19a, was made by overmolding on the tongue 19 with thermoplastic polyurethane polyester type. Thus, thanks to this suitable polymer material, the projecting nose 19a is protected and is not planed by the rim 4 of the opening element 1 during its moving from its free open position to its intermediate closed position. In this way, the displacement of the opening element 1 does not generate material dust, which causes the formation of grains during automotive body painting operations.
Le corps 1 1 comporte une plaque 12 s'étendant de part et d'autre du corps 1 1 et perpendiculairement à ce corps 1 1 , formant ainsi des ailes latérales destinées à la fixation du dispositif 10 sur l'élément fixe 5.  The body 1 1 comprises a plate 12 extending on either side of the body 1 1 and perpendicular to this body 1 1, thus forming lateral wings intended for fixing the device 10 on the fixed element 5.
Les moyens d'ancrage du dispositif de fermeture provisoire 10 sur l'élément fixe 5 comprennent des organes de fixation formés, d'une part, par un pion 13 disposé au-dessous de la plaque 12, et d'autre part par une vis 17 venue de matière avec le corps 1 1 du dispositif 10 et reliée à ce dernier par des ergots (vis imperdable). La vis 17 est essentiellement située au dessus de la plaque 12, prête à être vissée et à traverser le plan de la plaque 12. Le pion 13 et la vis 17 sont disposés de façon sensiblement parallèle, chacun sur une aile correspondante de la plaque 12 et séparés par le corps 1 1 .  The anchoring means of the temporary closure device 10 on the fixed element 5 comprise fastening members formed, on the one hand, by a pin 13 disposed below the plate 12, and on the other hand by a screw 17 integrally with the body 1 1 of the device 10 and connected thereto by lugs (captive screw). The screw 17 is essentially located above the plate 12, ready to be screwed and to pass through the plane of the plate 12. The pin 13 and the screw 17 are arranged substantially parallel, each on a corresponding flange of the plate 12 and separated by the body 1 1.
Le pion 13 et la vis peuvent être disposés aux extrémités des ailes latérales de la plaque 12.  The pin 13 and the screw may be arranged at the ends of the lateral wings of the plate 12.
Le pion 13 comporte à son extrémité libre un cône de centrage 15 dans l'orifice taraudé 6 correspondant, ou une surface arrondie ayant le même effet. De même, la vis 17 comporte à sa pointe un cône de centrage ou une surface arrondie dans le même but.  The pin 13 has at its free end a centering cone 15 in the corresponding threaded hole 6, or a rounded surface having the same effect. Similarly, the screw 17 comprises at its tip a centering cone or a rounded surface for the same purpose.
Les moyens d'ancrage comprennent également des organes d'emboîtement dans les évidements non représentés et qui sont constitués par deux épaulements 16 disposés chacun au-dessous de la plaque 12 dans l'axe correspondant du pion 13 et de la vis 17.  The anchoring means also comprise interlocking members in the not shown recesses and which consist of two shoulders 16 each disposed below the plate 12 in the corresponding axis of the pin 13 and the screw 17.
Le pion 13 peut être soit totalement cylindrique soit demi- cylindrique. Tel que représenté à la figure 3, le pion 13 est demi-cylindrique.  The pin 13 can be either completely cylindrical or half cylindrical. As shown in Figure 3, the pin 13 is half-cylindrical.
La languette élastique 19 s'étend au-dessus du corps 1 1 suivant une inclinaison de l'ordre de 15 et 30° par rapport au plan vertical, défini par les axes du pion 13 et de la vis 17 (figure 1 ). L'inclinaison de la languette est définie dans la direction opposée à la butée 18 du dispositif 10.  The elastic tongue 19 extends above the body January 1 at an inclination of the order of 15 and 30 ° relative to the vertical plane, defined by the axes of the pin 13 and the screw 17 (Figure 1). The inclination of the tongue is defined in the direction opposite to the stop 18 of the device 10.
Le corps 1 1 du dispositif 10 est prolongé dans sa zone correspondant sensiblement à la base de la languette 19, par une platine 20, parallèle à la plaque 12, suspendue au dessus d'une zone évidée.  The body 1 1 of the device 10 is extended in its zone substantially corresponding to the base of the tongue 19, by a plate 20, parallel to the plate 12, suspended above a recessed area.
Cette platine 20 constitue une languette secondaire destinée à encaisser une partie des contraintes et de la déformation de la languette 19. Pour ce faire, la languette 19 et la platine 20 sont reliées par une arche 21 assurant une liaison souple. L'arche 21 est raccordée à la languette 1 9 en son milieu, et à la platine 20 à son extrémité libre. La flexion de la languette 19 est d'autant limitée que les contraintes et la déformation sont réparties sur diverses parties du dispositif 10. This plate 20 constitutes a secondary tongue intended to take up part of the stresses and the deformation of the tongue 19. To do this, the tongue 19 and the plate 20 are connected by an arch 21 providing a flexible connection. The arch 21 is connected to the tongue 1 9 in the middle, and the plate 20 at its free end. The flexion of the tongue 19 is as limited as the stresses and the deformation are distributed over various parts of the device 10.
Avant le passage dans la ligne de peinture de la carrosserie sur laquelle ont été préalablement montés les éléments ouvrants 1 , les éléments fixes 5 de cette carrosserie destinés à recevoir les éléments ouvrants 1 lors de leur fermeture, sont chacun équipés d'un dispositif de fermeture provisoire 10.  Before the passage through the painting line of the bodywork on which the opening elements 1 have been previously mounted, the fixed elements 5 of this body intended to receive the opening elements 1 when they are closed, are each equipped with a closing device provisional 10.
Pour cela, l'opérateur engage les cônes de centrage 15 du pion 1 3 dans l'orifice taraudé 6 correspondant de l'élément fixe 5 et exerce une pression sur le corps 1 1 de telle manière que, d'une part, le pion 13 pénètre dans un orifice taraudé 6 et, d'autre part, chaque épaulement 16 s'encastre dans l'évidement (non représenté sur les figures) ménagé sur l'élément fixe 5.  For this, the operator engages the centering cones 15 of the pin 1 3 in the threaded hole 6 corresponding to the fixed member 5 and exerts a pressure on the body 1 1 so that, on the one hand, the piece 13 penetrates into a threaded orifice 6 and, on the other hand, each shoulder 16 fits into the recess (not shown in the figures) formed on the fixed element 5.
De préférence, les évidements (non représentés sur les figures) ont une forme carrée et les épaulements 16 ont une forme cylindrique.  Preferably, the recesses (not shown in the figures) have a square shape and the shoulders 16 have a cylindrical shape.
L'opérateur engage tout d'abord le pion 13 dans l'orifice taraudé 6 correspondant et ensuite cet opérateur visse la vis 17 dans l'autre orifice taraudé 6.  The operator first engages the pin 13 in the corresponding tapped hole 6 and then this operator screws the screw 17 in the other tapped hole 6.
Lors de la fermeture de l'élément ouvrant 1 réalisée manuellement ou automatiquement, le rebord 3 du logement 2 ménagé dans cet élément ouvrant 1 entre progressivement en contact avec la butée 18 du dispositif 10 en chevauchant le corps 1 1 de ce dernier, ce qui assure ainsi un ajustement automatique du corps 1 1 par rapport au logement 2.  When closing the opening element 1 carried out manually or automatically, the flange 3 of the housing 2 formed in this opening element 1 progressively comes into contact with the stop 18 of the device 10 by overlapping the body 1 1 thereof, which thus ensures an automatic adjustment of the body 1 1 relative to the housing 2.
Ensuite, en continuant d'exercer une poussée sur l'élément ouvrant Then, continuing to exert a push on the opening element
1 , le rebord 4 du logement 2 fait fléchir la languette 19, de telle manière que ce rebord 4 passe derrière ladite languette 19. 1, the rim 4 of the housing 2 bends the tongue 19, so that this flange 4 passes behind said tongue 19.
De plus, le rebord 3 du logement 2 vient s'appliquer contre la butée 18 du corps 1 1 .  In addition, the flange 3 of the housing 2 is pressed against the abutment 18 of the body January 1.
Ensuite, la languette 19 reprend sa position initiale, grâce à son élasticité, et assure le blocage du rebord 4 et par conséquent de l'élément ouvrant 1 .  Then, the tab 19 resumes its initial position, thanks to its elasticity, and ensures the locking of the rim 4 and consequently of the opening element 1.
Pour augmenter l'effort de verrouillage de l'élément ouvrant 1 sur l'élément fixe 5 par le dispositif de fermeture provisoire 10, il suffit d'augmenter la raideur de la languette élastique 19. En d'autres termes, adapter les dimensions de largeur, d'épaisseur et de longueur de la languette 19 pour qu'elle ait la raideur appropriée. To increase the locking force of the opening element 1 on the fixed element 5 by the temporary closure device 10, it is sufficient to increase the stiffness of the elastic tongue 19. In other words, adapt the dimensions of width, thickness and length of the tongue 19 so that it has the appropriate stiffness.
Lors de l'ouverture de l'élément ouvrant 1 qui peut être réalisée manuellement ou automatiquement, la languette élastique 19 fléchit en sens inverse de façon à laisser passer le rebord 4 ce qui permet l'ouverture de l'élément ouvrant 1 .  When opening the opening element 1 which can be carried out manually or automatically, the elastic tab 19 flexes in the opposite direction so as to let the flange 4 which allows the opening of the opening element 1.
Pour retirer le dispositif de fermeture provisoire 10 de l'élément fixe 5, l'opérateur dévisse tout d'abord la vis 17 et ensuite exerce une traction sur le corps 1 1 de manière à faire sortir le pion 13 de l'orifice taraudé 6.  To remove the temporary closure device 10 from the fixed element 5, the operator first unscrews the screw 17 and then exerts a pull on the body 1 1 so as to release the pin 13 from the threaded orifice 6 .
Le dispositif de fermeture provisoire conforme à l'invention évite toute détérioration de la peinture et/ou de la carrosserie lors de sa pose ou de sa dépose. Grâce à ce dispositif de fermeture provisoire, de grains ne sont pas générés au cours des opérations de peinture de carrosserie d'un véhicule automobile.  The temporary closure device according to the invention avoids any deterioration of the paint and / or body during its installation or removal. With this temporary closure device, grains are not generated during body painting operations of a motor vehicle.

Claims

REVENDICATIONS
1 . Dispositif de fermeture provisoire (10) d'un élément ouvrant (1 ) sur un élément fixe (5) d'une carrosserie d'un véhicule automobile, un logement (2) étant ménagé dans l'élément ouvrant (1 ) ou dans l'élément fixe (5), ledit dispositif (10) comprenant un corps (1 1 ) : 1. Temporary closing device (10) for an opening element (1) on a fixed element (5) of a bodywork of a motor vehicle, a housing (2) being formed in the opening element (1) or in the fixed element (5), said device (10) comprising a body (1 1):
- qui est muni de moyens (13;16;17) d'ancrage sur l'élément fixe (5) ou sur l'élément ouvrant (1 ), et  - which is provided with anchoring means (13; 16; 17) on the fixed element (5) or on the opening element (1), and
- qui comporte un moyen de retenue (19) conçu de manière à maintenir l'élément ouvrant (1 ) dans une position de fermeture intermédiaire par rapport à l'élément fixe (5), le moyen de retenue étant formé par une languette élastique (19) apte à se fléchir sous la contrainte exercée par un premier rebord (4) du logement (2) sur une extrémité libre (19a) de la languette (19) lors du déplacement de l'élément ouvrant (1 ) d'une position libre d'ouverture vers la position de fermeture intermédiaire,  - which comprises a retaining means (19) designed to keep the opening element (1) in an intermediate closure position with respect to the fixed element (5), the retaining means being formed by an elastic tongue ( 19) adapted to bend under the stress exerted by a first flange (4) of the housing (2) on a free end (19a) of the tongue (19) during the displacement of the opening member (1) of a position free opening towards the intermediate closing position,
caractérisé en ce qu'au moins la partie de l'extrémité libre (19a) qui est en contact avec le premier rebord (4) au cours dudit déplacement est réalisée en un matériau polymère dont la dureté est comprise entre 90 shore échelle A etcharacterized in that at least the part of the free end (19a) which is in contact with the first flange (4) during said displacement is made of a polymer material whose hardness is between 90 shore scale A and
60 shore échelle D et dont la résistance à la déchirure mesurée selon la norme60 shore D scale and whose tear resistance measured according to the standard
ISO 34-1 est supérieure à 70 kN/m. ISO 34-1 is greater than 70 kN / m.
2. Dispositif (10) selon la revendication 1 , caractérisé en ce que ladite partie de l'extrémité libre (19a) forme un nez en saillie sur une longueur comprise entre un quart et la moitié de la longueur de la languette (19). 2. Device (10) according to claim 1, characterized in that said portion of the free end (19a) forms a projecting nose over a length of between a quarter and half the length of the tongue (19).
3. Dispositif (10) selon la revendication 1 ou la revendication 2, caractérisé en ce que ladite partie d'extrémité libre (19a) de la languette (19) est obtenue par surmoulage sur la languette (19). 3. Device (10) according to claim 1 or claim 2, characterized in that said free end portion (19a) of the tongue (19) is obtained by overmolding on the tongue (19).
4. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que la moitié de l'extrémité libre (19a) de la languette (19) est réalisée en ledit matériau polymère par surmoulage sur la languette (19). 4. Device (10) according to any one of the preceding claims, characterized in that half of the free end (19a) of the tongue (19) is made of said polymeric material by overmolding on the tongue (19).
5. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit matériau polymère a une température de fusion supérieure à 170°C. 5. Device (10) according to any one of the preceding claims, characterized in that said polymeric material has a melting temperature greater than 170 ° C.
6. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit matériau polymère est choisi dans le groupe constitué par les élastomères, les élastomères thermoplastiques et les thermodurcissables. 6. Device (10) according to any one of the preceding claims, characterized in that said polymeric material is selected from the group consisting of elastomers, thermoplastic elastomers and thermosets.
7. Dispositif (10) selon la revendication 5, caractérisé en ce que ledit matériau polymère est choisi dans le groupe constitué par les élastomères thermoplastiques de polyuréthane, les élastomères thermoplastiques styréniques, les polysiloxanes. 7. Device (10) according to claim 5, characterized in that said polymeric material is selected from the group consisting of polyurethane thermoplastic elastomers, styrenic thermoplastic elastomers, polysiloxanes.
8. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le surmoulage est réalisé par un procédé d'injection, de trempage ou de pulvérisation. 8. Device (10) according to any one of the preceding claims, characterized in that the overmolding is performed by a method of injection, dipping or spraying.
9. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif (10) comporte en outre une butée (18) destinée à coopérer avec un second rebord (3) du logement (2) lors du déplacement de l'élément ouvrant (1 ) de la position libre d'ouverture vers la position de fermeture intermédiaire. 9. Device (10) according to any one of the preceding claims, characterized in that the device (10) further comprises a stop (18) intended to cooperate with a second flange (3) of the housing (2) during the displacement from the opening element (1) from the free opening position to the intermediate closing position.
10. Dispositif (10) selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps (1 1 ) est prolongé dans sa zone correspondant sensiblement à la base de la languette (19) par une platine (20) suspendue au dessus d'une zone évidée, la platine (20) et la languette (19) étant reliées par une arche (21 ) assurant une liaison souple. 10. Device (10) according to any one of the preceding claims, characterized in that the body (1 1) is extended in its area substantially corresponding to the base of the tongue (19) by a plate (20) suspended above a recessed area, the plate (20) and the tongue (19) being connected by an arch (21) providing a flexible connection.
EP12743504.8A 2011-07-29 2012-07-12 Bi-material device for temporarily closing an openable body section on a stationary element of automobile body Active EP2737144B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1156968A FR2978473B1 (en) 2011-07-29 2011-07-29 BI-MATERIAL PROVISIONAL CLOSURE DEVICE FOR AN ELEMENT OPENING ON A FIXED ELEMENT OF A BODY OF A MOTOR VEHICLE
PCT/FR2012/051652 WO2013017761A1 (en) 2011-07-29 2012-07-12 Bi-material device for temporarily closing an openable body section on a stationary element of automobile body

Publications (2)

Publication Number Publication Date
EP2737144A1 true EP2737144A1 (en) 2014-06-04
EP2737144B1 EP2737144B1 (en) 2016-11-02

Family

ID=46614536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12743504.8A Active EP2737144B1 (en) 2011-07-29 2012-07-12 Bi-material device for temporarily closing an openable body section on a stationary element of automobile body

Country Status (8)

Country Link
US (1) US20140159389A1 (en)
EP (1) EP2737144B1 (en)
JP (1) JP2014527930A (en)
KR (1) KR20140051993A (en)
BR (1) BR112014001524A2 (en)
ES (1) ES2612656T3 (en)
FR (1) FR2978473B1 (en)
WO (1) WO2013017761A1 (en)

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US11739565B2 (en) * 2020-09-24 2023-08-29 Elbee Pty Ltd. Latch assembly to secure opening of an enclosure
CN112403735B (en) * 2020-11-13 2021-12-07 界首市海德龙渔具有限公司 Anchor clamps suitable for different model fishhooks spray paint

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Also Published As

Publication number Publication date
EP2737144B1 (en) 2016-11-02
FR2978473A1 (en) 2013-02-01
FR2978473B1 (en) 2013-08-09
KR20140051993A (en) 2014-05-02
US20140159389A1 (en) 2014-06-12
BR112014001524A2 (en) 2017-02-14
WO2013017761A1 (en) 2013-02-07
JP2014527930A (en) 2014-10-23
ES2612656T3 (en) 2017-05-18
ES2612656T8 (en) 2017-05-30

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