FR2914725A3 - Sealing joint for motor vehicle, has round section sealed with four branches of sealed shaped profile, where joint is in closed profile with shape that is adapted with stoplight and body to be sealed - Google Patents

Sealing joint for motor vehicle, has round section sealed with four branches of sealed shaped profile, where joint is in closed profile with shape that is adapted with stoplight and body to be sealed Download PDF

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Publication number
FR2914725A3
FR2914725A3 FR0754234A FR0754234A FR2914725A3 FR 2914725 A3 FR2914725 A3 FR 2914725A3 FR 0754234 A FR0754234 A FR 0754234A FR 0754234 A FR0754234 A FR 0754234A FR 2914725 A3 FR2914725 A3 FR 2914725A3
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FR
France
Prior art keywords
seal
sealed
branches
joint
profile
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FR0754234A
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French (fr)
Inventor
Christophe Gaultier
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.)
Renault SAS
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Renault SAS
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Filing date
Publication date
Application filed by Renault SAS filed Critical Renault SAS
Priority to FR0754234A priority Critical patent/FR2914725A3/en
Publication of FR2914725A3 publication Critical patent/FR2914725A3/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/02Sealings between relatively-stationary surfaces
    • F16J15/021Sealings between relatively-stationary surfaces with elastic packing
    • F16J15/022Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
    • F16J15/024Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity
    • F16J15/025Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity and with at least one flexible lip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2619Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic built in the vehicle body
    • B60Q1/2653Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic built in the vehicle body with arrangement for sealing the device with respect to the vehicle body, or for concealing gaps between the device and the vehicle body

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasket Seals (AREA)

Abstract

The joint (1) has a round section sealed with four branches (2) of a sealed shaped profile, where the joint is in a closed profile with a shape that is adapted with a stoplight and a body to be sealed and is extruded in a styrene-ethylene-butylene-styrene type elastomer material. Two of the four branches are set in a contact with the body of a motor vehicle in order to ensure sealing in all length of the joint, and one of the branches of the profile is placed so as to ensure a function of an anti-splash jet-nozzle.

Description

2914725 L'invention concerne les joints d'étanchéité pourThe invention relates to seals for

l'étanchéification de deux pièces d'un véhicule automobile, et plus particulièrement d'un feu stop et de la carrosserie d'un véhicule automobile, notamment du troisième feu stop.  the sealing of two parts of a motor vehicle, and more particularly of a brake light and the bodywork of a motor vehicle, including the third brake light.

On connaît déjà des joints d'étanchéité de feu stop. De nos jours, la solution la plus couramment utilisée dans l'industrie automobile pour garantir l'étanchéité du feu stop consiste à utiliser un joint torique de section ronde (c'est-à-dire un joint profilé fermé et dont la section est ronde), comme dans le brevet européen n 0 838 369, obtenu par extrusion d'un élastomère. Des ressorts compriment le joint torique entre le voyant surmoulé dans le boîtier du feu stop et la carrosserie du véhicule, ce qui garantit que le joint ait bien une position géométrique correcte sur le véhicule. Toutefois, les nouvelles architectures de véhicule actuelles et les nouveaux cahiers des charges imposés par le service qualité des industries automobiles font que l'étanchéité garantie par ce joint rond n'est plus satisfaisante. Les autres solutions connues de l'art antérieur, à savoir l'utilisation de joints : • découpés en mousse alvéolaire, puis fixés à l'aide de ressorts métalliques ou de vis, • injectés avec un matériau thermoplastique de type SEBS (styrene-ethylene-butylene-styrene), puis fixés à l'aide de ressorts métalliques ou de vis, • comprenant deux lèvres, • directement injectés par surmoulage du boîtier de troisième feu stop, sont des solutions moins efficaces à ce jour que le joint torique rond à efforts de montage équivalents. D'autres techniques, comme l'ajout de fixations, existent, mais elles sont trop coûteuses pour être mises en oeuvre dans le cadre des joints d'étanchéité de feux stop.  Stop gasket seals are already known. Nowadays, the most common solution used in the automotive industry to ensure the tightness of the brake light is to use a round-section O-ring (ie a closed profile seal with a round section ), as in European Patent No. 838,369, obtained by extrusion of an elastomer. Springs compress the O-ring between the over-molded indicator in the stop lamp housing and the vehicle body, ensuring that the seal has a correct geometric position on the vehicle. However, the current new vehicle architectures and the new specifications imposed by the quality department of the automotive industries mean that the seal guaranteed by this round seal is no longer satisfactory. Other known solutions of the prior art, namely the use of seals: • cut into cellular foam, then fixed using metal springs or screws, • injected with a thermoplastic material of the SEBS type (styrene-ethylene -butylene-styrene), then fixed using metal springs or screws, • comprising two lips, • directly injected by overmolding the third brake light housing, are less effective solutions to date than the round o-ring equivalent mounting efforts. Other techniques, such as the addition of fasteners, exist, but they are too expensive to implement in the context of the stop light seals.

Le cahier des charges dans le domaine automobile s'est adapté aux exigences en matière de qualité des clients et des constructeurs, ainsi qu'à l'évolution des automobiles. Par ailleurs, d'un constructeur à l'autre, les exigences sont différentes concernant de nombreux aspects du véhicule automobile, notamment en matière d'étanchéité. Le cahier des charges le plus exigeant à l'heure actuelle en matière d'étanchéité requiert que le composant (à savoir le moyen d'étanchéification) monté sur support rigide, le système et le véhicule satisfassent plusieurs tests d'étanchéité, parmi lesquels un essai sous un jet Kârcher , un jet jardinier, et un jet bâton et ce, sur un véhicule neuf, ainsi que sur un véhicule ayant subi un nombre déterminé de montages et démontages. Il tient donc compte du vieillissement climatique et vibratoire du joint, qui est la cause principale de la mauvaise étanchéité des feux stop actuels.  The specifications in the automotive field have adapted to the requirements of the quality of customers and manufacturers, as well as the evolution of automobiles. Moreover, from one manufacturer to another, the requirements are different for many aspects of the motor vehicle, particularly in sealing. The most demanding specification at the moment in terms of sealing requires that the component (namely the sealing means) mounted on rigid support, the system and the vehicle satisfy several leak tests, among which a test under a Kârcher jet, a gardener jet, and a stick jet on a new vehicle, as well as on a vehicle having undergone a determined number of assemblies and disassemblies. It therefore takes into account the climatic and vibratory aging of the seal, which is the main cause of the poor sealing of the current stop lamps.

Il est connu aujourd'hui que l'étanchéification par un joint est difficilement garantie après vieillissement, car la résistance en compression du joint n'est plus suffisante pour compenser l'effort appliqué par un jet d'eau. Le joint s'écarte alors et laisse de l'eau entrer. Pour qu'un un joint torique conventionnel reste efficace malgré son vieillissement, une solution consiste à augmenter l'effort que l'on applique lors de son montage sur le feu à étanchéifier. D'autres solutions ont été imaginées afin de résoudre les problèmes dus au vieillissement des joints. On a réalisé par exemple des joints à double lèvres : plutôt que de mettre en oeuvre la résistance à la compression du joint, comme c'est le cas des joints toriques conventionnels, ils luttent contre l'effort exercé par le jet grâce à leur double lèvres, pour préserver l'étanchéité des feux sur lesquels ils sont montés. Toutefois, le joint à double lèvres tend à vriller latéralement. Il n'est donc pas uniformément étanche, contrairement aux joints toriques ronds. Par ailleurs, son montage est assez long et réalisé nécessairement manuellement, ce qui rend son industrialisation difficile. Enfin, étant donné que son maintien sur le corps du feu stop est assuré par collage ou au moyen d'un adhésif, son coût est élevé.  It is known today that sealing with a seal is difficult to guarantee after aging, because the compressive strength of the seal is no longer sufficient to offset the force applied by a water jet. The joint then departs and lets water enter. For a conventional O-ring remains effective despite aging, one solution is to increase the effort that is applied when mounting on the fire to be sealed. Other solutions have been devised to solve the problems due to the aging of the joints. For example, double-lip seals have been made: rather than implementing the compressive strength of the seal, as is the case with conventional O-rings, they fight against the force exerted by the jet by virtue of their double lips, to preserve the tightness of the lights on which they are mounted. However, the double-lip seal tends to twist laterally. It is therefore not uniformly tight, unlike round o-rings. Moreover, its assembly is quite long and necessarily made manually, which makes its industrialization difficult. Finally, since its maintenance on the body of the brake light is ensured by gluing or by means of an adhesive, its cost is high.

L'objectif de l'invention est de proposer un joint d'étanchéité qui satisfasse les conditions imposées par les cahiers des charges des constructeurs les plus exigeants en matière d'étanchéité, à savoir la garantie d'une étanchéité entre un feu stop et la carrosserie d'un véhicule automobile, même après vieillissement, sans remettre en cause les processus de fabrication actuels, qui soit en outre peu coûteux et qui puisse être standardisé sur toute les gammes de véhicules automobiles.  The object of the invention is to provide a seal that satisfies the conditions imposed by the specifications of the most demanding manufacturers in terms of sealing, namely the guarantee of a seal between a brake light and the body of a motor vehicle, even after aging, without questioning the current manufacturing processes, which is also inexpensive and can be standardized on all ranges of motor vehicles.

Dans ce but, l'invention propose un joint d'étanchéité qui est un profilé fermé, dont la forme est adaptée aux pièces à étanchéifier et dont la section est en étoile à au moins quatre branches.  For this purpose, the invention provides a seal which is a closed profile, whose shape is adapted to the parts to be sealed and whose section is star to at least four branches.

Ce joint d'étanchéité peut garantir l'étanchéité entre deux pièces d'un véhicule automobile et ce, malgré son vieillissement et/ou son vrillage. Les deux pièces étanchéifiées sont de préférence un feu stop et la carrosserie du véhicule.  This seal can guarantee the seal between two parts of a motor vehicle, despite aging and / or twisting. The two sealed parts are preferably a brake light and the body of the vehicle.

De préférence, au moins deux branches du profilé en forme d'étoile sont toujours en contact avec la carrosserie du véhicule de façon à assurer l'étanchéification sur toute la longueur du joint et au moins une branche du profilé étoilé est placée de telle sorte qu'elle assure la fonction de brise jet.  Preferably, at least two branches of the star-shaped profile are always in contact with the vehicle body so as to seal the entire length of the seal and at least one branch of the star section is placed so that it provides the function of jet breeze.

Par ailleurs, le joint d'étanchéité selon l'invention a avantageusement une section en forme d'étoile, par exemple à six 25 branches, de façon à tenir compte des effets du vrillage.  Furthermore, the seal according to the invention advantageously has a star-shaped section, for example with six branches, so as to take into account the effects of kinking.

Enfin, le joint d'étanchéité est de préférence extrudé dans un matériau élastomère, de préférence du type SEBS (styrene-ethylenebutylene-styrene).  Finally, the seal is preferably extruded into an elastomeric material, preferably of the SEBS (styrene-ethylenebutylene-styrene) type.

D'autres caractéristiques, buts et avantages de la présente 30 invention apparaîtront à la lecture de la description détaillée qui va suivre, au regard des dessins annexés, donnés à titre d'exemples non limitatifs et sur lesquels : • la figure 1 montre la section d'une forme de réalisation d'un joint d'étanchéité selon l'invention, la figure 2 est une vue en élévation d'un tronçon du joint d'étanchéité de la présente invention, selon la forme de réalisation de la figure 1, • la figure 3 est une vue en coupe du joint d'étanchéité selon la forme de réalisation de la figure 1, mis en place entre le 10 troisième feu stop et la carrosserie, • la figure 4 est un détail de la figure 3, centré sur le joint d'étanchéité. En référence tout d'abord aux figures 1 et 2, va être décrite la 15 structure du joint d'étanchéité selon un mode de réalisation préféré de l'invention. Le joint d'étanchéité 1 est un profilé fermé dont la forme est adaptée aux pièces qu'il doit étanchéifier, et sa section en étoile (à savoir en forme de polygone comportant des angles rentrants) comprend au  Other features, objects and advantages of the present invention will become apparent on reading the following detailed description, with reference to the appended drawings, given as non-limiting examples and in which: FIG. of an embodiment of a seal according to the invention, Figure 2 is an elevational view of a section of the seal of the present invention, according to the embodiment of Figure 1, FIG. 3 is a sectional view of the seal according to the embodiment of FIG. 1, placed between the third brake light and the body, FIG. 4 is a detail of FIG. on the seal. Referring firstly to FIGS. 1 and 2, the structure of the seal according to a preferred embodiment of the invention will be described. The seal 1 is a closed profile whose shape is adapted to the parts that it must seal, and its star section (namely in the form of a polygon having re-entrant angles) comprises

20 moins quatre branches 2. Dans la forme de réalisation illustrée, elle comprend six branches 2. Ce nombre de branches permet d'avoir toujours deux branches fonctionnelles malgré le vrillage. Il peut être obtenu par exemple par extrusion d'un matériau 25 élastomère, tel que le SEBS (styrene-ethylene-butylene-styrene). En outre, quel que soit le nombre de branches 2 constituant le joint 1, elles sont de préférence réparties de manière uniforme et ont une forme et une longueur identiques, afin que le joint 1 ait un comportement uniforme lorsqu'il est sollicité, et, par voie de conséquence, assure une 30 étanchéification homogène de l'élément sur lequel il est monté. 5 2914725 Par exemple, dans le cas où le joint comporte six branches 2 et lorsque le joint est au repos et non vrillé, deux branches consécutives du profilé forment entre elles un angle de trente degrés environ. L'extrémité 3 de chaque branche 2 est arrondie, mais peut 5 également être pointue. La longueur et largeur des branches 2, en combinaison avec le matériau choisi pour l'extrusion du profilé, doit être telle que le joint 1 résiste suffisamment au jet d'eau pour garantir l'étanchéité entre le feu stop 5 et la carrosserie 6, mais permette en même temps son montage manuel sans outil sur le véhicule entre le boîtier de feu 5 et la carrosserie 6. En effet, le joint d'étanchéité 1 selon l'invention doit pouvoir être monté manuellement, comme la plupart des joints de feux stop actuels, par serrage autour du boîtier 5 selon une cinématique simple habituelle.  In the illustrated embodiment, it comprises six branches 2. This number of branches makes it possible to always have two functional branches despite twisting. It can be obtained for example by extruding an elastomeric material, such as SEBS (styrene-ethylene-butylene-styrene). Furthermore, whatever the number of branches 2 constituting the seal 1, they are preferably evenly distributed and have a shape and a length that are identical, so that the seal 1 has a uniform behavior when it is stressed, and, consequently, ensures a homogeneous sealing of the element on which it is mounted. For example, in the case where the joint comprises six branches 2 and when the joint is at rest and not twisted, two consecutive branches of the profile form between them an angle of about thirty degrees. The end 3 of each limb 2 is rounded, but may also be pointed. The length and width of the branches 2, in combination with the material chosen for the extrusion of the profile, must be such that the seal 1 is sufficiently resistant to the water jet to guarantee the seal between the brake light 5 and the bodywork 6, but at the same time allows its manual mounting without tools on the vehicle between the fire box 5 and the bodywork 6. Indeed, the seal 1 according to the invention must be manually mounted, like most fire joints current stop, by clamping around the housing 5 according to a simple simple kinematics.

Ainsi, le joint 1 est agencé autour du boîtier de feu sans se préoccuper de son positionnement par rapport au vrillage. Un avantage du joint d'étanchéité 1 selon l'invention est par ailleurs qu'il peut être employé pour étanchéifier n'importe quel ensemble de pièces où l'art antérieur utilisait un joint torique rond, à forme et taille de profilé identique, tant que le diamètre du joint rond n'est pas trop petit (de préférence, d'un diamètre au moins égal à cinq millimètres). La jonction entre deux branches 2 consécutives du profilé est de préférence une surface concave 4, pour éviter toute singularité et en simplifier la mise en oeuvre lors de la fabrication.  Thus, the seal 1 is arranged around the fire box without worrying about its positioning with respect to twisting. An advantage of the seal 1 according to the invention is furthermore that it can be used to seal any set of parts where the prior art used a round o-ring, shaped and size of identical profile, both that the diameter of the round joint is not too small (preferably of a diameter at least equal to five millimeters). The junction between two consecutive branches 2 of the profile is preferably a concave surface 4, to avoid any singularity and simplify the implementation during manufacture.

Lorsque le joint d'étanchéité 1 est monté sur un feu stop, deux de ses branches 2a et 2b sont toujours en contact avec la carrosserie, et ce malgré le vrillage du joint 1. La première branche 2a agit comme brise-jet, c'est-à-dire qu'elle empêche l'attaque directe du joint 1 par l'eau. Les solutions apportées par 30 l'art antérieur, telle que le joint torique rond ou le joint à double lèvres, 6 2914725 laissent l'eau entrer dans l'habitacle du véhicule car ils se décalent sous l'effet de la forte pression de l'eau arrivant sur le troisième feu stop. La seconde branche 2b assure quant à elle l'étanchéité. En effet, lorsque la première branche 2a est sollicitée par un jet d'eau et joue son 5 rôle de brise jet, le joint d'étanchéité 1 subit un effort qui tend à le déformer. Néanmoins, la géométrie du profilé étoilé à au moins quatre branches 2 est telle que la seconde branche 2b du joint 1 reste en contact avec la carrosserie 6. L'étanchéité est donc garantie. Elle est encore mieux garantie avec un profilé à six branches ou plus.  When the seal 1 is mounted on a brake light, two of its branches 2a and 2b are still in contact with the bodywork, despite twisting of the seal 1. The first branch 2a acts as a jetbreaker, that is to say, it prevents the direct attack of the joint 1 by water. Solutions provided by the prior art, such as the round o-ring or double lip seal, 2914725 allow water to enter the passenger compartment of the vehicle as they shift due to the high pressure of the vehicle. water arriving at the third stop light. The second branch 2b ensures the seal. Indeed, when the first branch 2a is solicited by a jet of water and plays its role of jet breeze, the seal 1 undergoes a force that tends to deform. However, the geometry of the star section at least four branches 2 is such that the second branch 2b of the seal 1 remains in contact with the body 6. The seal is therefore guaranteed. It is even better guaranteed with a profile with six or more branches.

10 Ce sont donc bien ces deux branches 2a et 2b de la section en étoile du joint d'étanchéité 1 qui contribuent à garantir l'étanchéification parfaite du feu stop, car même lors du vrillage du joint, deux des branches 2 du joint 1 sont toujours en contact avec la carrosserie. 15 20 25It is therefore these two branches 2a and 2b of the star section of the seal 1 which contribute to ensuring the perfect sealing of the brake light, because even when twisting the seal, two of the branches 2 of the seal 1 are always in contact with the bodywork. 15 20 25

Claims (5)

REVENDICATIONS 1. Joint d'étanchéité (1) pour garantir l'étanchéité entre deux pièces (5, 6) d'un véhicule automobile qui est un profilé fermé, de forme adaptée aux pièces à étanchéifier, caractérisé en ce que sa section est en étoile à au moins quatre branches (2).  1. Seal (1) to guarantee the seal between two parts (5, 6) of a motor vehicle which is a closed profile, of a shape adapted to the parts to be sealed, characterized in that its section is star at least four branches (2). 2. Joint étanchéité (1) selon la revendication précédente, caractérisé en ce qu'au moins deux branches (2a, 2b) du profilé en forme d'étoile sont toujours en contact avec la carrosserie (6) du véhicule, de façon à assurer l'étanchéification sur toute la longueur du joint (1).  2. Gasket (1) according to the preceding claim, characterized in that at least two branches (2a, 2b) of the star-shaped profile are always in contact with the bodywork (6) of the vehicle, so as to ensure sealing over the entire length of the seal (1). 3. Joint étanchéité (1) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une branche (2a) du profilé étoilé est placée de telle sorte qu'elle assure la fonction de brise jet.  3. Gasket (1) according to any one of the preceding claims, characterized in that at least one branch (2a) of the star section is placed so that it provides the function of jet jet. 4. Joint étanchéité (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le joint (1) est extrudé dans un matériau élastomère, de préférence du type SEBS (styrene-ethylene-butylene-styrene).  Seal (1) according to one of the preceding claims, characterized in that the seal (1) is extruded into an elastomeric material, preferably of the SEBS (styrene-ethylene-butylene-styrene) type. 5. Utilisation du joint d'étanchéité (1) selon l'une des revendications précédentes pour la réalisation de l'étanchéité entre un feu stop (5) et la carrosserie d'un véhicule (6).  5. Use of the seal (1) according to one of the preceding claims for the realization of the seal between a brake light (5) and the body of a vehicle (6).
FR0754234A 2007-04-03 2007-04-03 Sealing joint for motor vehicle, has round section sealed with four branches of sealed shaped profile, where joint is in closed profile with shape that is adapted with stoplight and body to be sealed Withdrawn FR2914725A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0754234A FR2914725A3 (en) 2007-04-03 2007-04-03 Sealing joint for motor vehicle, has round section sealed with four branches of sealed shaped profile, where joint is in closed profile with shape that is adapted with stoplight and body to be sealed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0754234A FR2914725A3 (en) 2007-04-03 2007-04-03 Sealing joint for motor vehicle, has round section sealed with four branches of sealed shaped profile, where joint is in closed profile with shape that is adapted with stoplight and body to be sealed

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FR2914725A3 true FR2914725A3 (en) 2008-10-10

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FR0754234A Withdrawn FR2914725A3 (en) 2007-04-03 2007-04-03 Sealing joint for motor vehicle, has round section sealed with four branches of sealed shaped profile, where joint is in closed profile with shape that is adapted with stoplight and body to be sealed

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1774359U (en) * 1958-07-25 1958-09-18 Karl Greive SELF-CLOSING SEAL.
DE2800366A1 (en) * 1977-12-07 1979-06-13 Bbc Brown Boveri & Cie Long life, high pressure sealing ring - is circular in cross section, with pointed radial ribs having curved flanks
DE9400067U1 (en) * 1994-01-04 1994-03-03 Schydlo, Martin T., 40883 Ratingen Profile sealing ring
EP0838369A2 (en) * 1996-10-23 1998-04-29 Volkswagen Aktiengesellschaft Fixation device for vehicle lights or headlamps
DE10059488A1 (en) * 1999-12-01 2001-06-07 Goodyear Tire & Rubber Polymer mixture with low compression set
EP1410948A1 (en) * 2002-10-18 2004-04-21 Valeo Vision Seal for vehicle lighting unit
DE10213064A1 (en) * 2002-03-22 2004-11-18 Behr Gmbh & Co. Kg Elastomeric sealing ring for heat exchanger of motor vehicle, is laid in the circulating groove of a tube plate and is clamped between the flange of a water tank and the plate

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1774359U (en) * 1958-07-25 1958-09-18 Karl Greive SELF-CLOSING SEAL.
DE2800366A1 (en) * 1977-12-07 1979-06-13 Bbc Brown Boveri & Cie Long life, high pressure sealing ring - is circular in cross section, with pointed radial ribs having curved flanks
DE9400067U1 (en) * 1994-01-04 1994-03-03 Schydlo, Martin T., 40883 Ratingen Profile sealing ring
EP0838369A2 (en) * 1996-10-23 1998-04-29 Volkswagen Aktiengesellschaft Fixation device for vehicle lights or headlamps
DE10059488A1 (en) * 1999-12-01 2001-06-07 Goodyear Tire & Rubber Polymer mixture with low compression set
DE10213064A1 (en) * 2002-03-22 2004-11-18 Behr Gmbh & Co. Kg Elastomeric sealing ring for heat exchanger of motor vehicle, is laid in the circulating groove of a tube plate and is clamped between the flange of a water tank and the plate
EP1410948A1 (en) * 2002-10-18 2004-04-21 Valeo Vision Seal for vehicle lighting unit

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