EP0671864B2 - Seal for an electrical connection to a window panel - Google Patents
Seal for an electrical connection to a window panel Download PDFInfo
- Publication number
- EP0671864B2 EP0671864B2 EP95400436A EP95400436A EP0671864B2 EP 0671864 B2 EP0671864 B2 EP 0671864B2 EP 95400436 A EP95400436 A EP 95400436A EP 95400436 A EP95400436 A EP 95400436A EP 0671864 B2 EP0671864 B2 EP 0671864B2
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- EP
- European Patent Office
- Prior art keywords
- seal
- glazing pane
- glazing
- electrical
- arrangement according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
Definitions
- the invention relates to a glazing requiring a supply of electrical signals.
- the invention also relates to the use of such a glazing, especially on vehicles.
- glazings require an electrical connection. These are heated, defrosting windows with remote-controlled optical properties or glazings that have an element requiring this connection, such as, for example, an antenna, sensors, etc.
- the electrical connection is usually constituted by a collector band in electrical contact with the elements requiring this supply. It is connected at the edge of glazing to a cable connected to a power source, as described for example in the patent DE-36 04 437.
- the electrical source or the control member is generally located in an area protected from external stresses and, in the case of a heated glazing unit, the switch that controls the deicing is inside the passenger compartment. it is the same in the case of a brake light installed on the glazing.
- the electrical source is an antenna screen printed on the glazing, on its inner face, it is also in the protected area external stresses.
- the device that uses energy or electrical signals is also in a protected area inside the vehicle.
- the one on the one hand, the current-consuming device, or the one that uses electrical signals or, on the other hand, the electrical source are installed on a glazing unit, on the inside. of the vehicle, the electrical connection leads from inside the vehicle to the interior of the vehicle.
- the invention relates to the case where one of these two transitions, inside-outside, is in the vicinity of the glazing, the problem is particularly sensitive when the glazing is an opening glazing such as a tailgate.
- the invention has the task of providing a glazing whose power supply will be provided by electrical connections located both outside and within the area defined by a seal, said sealing area.
- the invention must allow the transition of the electrical connection between the inside and the outside is carried out without allowing the penetration of water. It is also necessary that this transition does not interfere with the operation of the usual sealing means (seals).
- the invention proposes a glazing unit having on its surface an electrical conductor in which a complementary element covers a portion of the conductor and provides an absolute seal to said portion of the conductor covered by this element, preferably the portion of the electrical conductor is selected from the elements following alone or in combination: conductive layer, for example deposited by screen printing, foil, conductive flexible plate, conductive filaments in the form of son or braids, solder type electrical connection.
- the preferred embodiment for producing the element conferring an absolute seal is overmoulding of the glazing.
- the electrical connections are temporarily held in position for the time required for overmolding by any appropriate means: glue, jumpers, rivets, adhesive layer, etc ...
- the complementary element with the characteristics that have just been stated thus provides a sealed outlet "glazing. It is usable, all things being equal, as the sealed output of the power cable of any electrical appliance in contact with water, such as a submerged pump.
- the element providing an absolute seal is formed by the combination of a base on which a cover is grafted.
- the glazing of the invention is particularly suitable for the automobile.
- the invention provides for its use on a motor vehicle, a seal being in contact with said glazing, at least when it is in the closed position, and then the seal covers, at least partially, the electrical conductor and the complementary element conferring an absolute seal.
- said portion of the electrical conductor is connected, on the one hand, to a cable connected to a source of current or electrical signals and, on the other hand, to a cable connected to a device using the current or signals such as deicing, stop light, radio, the two cables running on either side of the location of the seal.
- one of the cables, placed outside the vehicle, is incorporated in a profile glued to the edge of glazing.
- the complementary element of the invention makes it possible, thanks to the shape adapted to it by the person skilled in the art, to keep the same joints as when there are no electrical conductors passing through the joint while keeping an excellent seal.
- Figure 1 illustrates different paths that can follow the electrical conductors 1, a glazing 2 of the invention.
- the conductor may consist of the following elements, taken independently or in combination: a metal foil, a conductive layer, at least one conductive filament, a conductive plate, a copper strip or a solder type electrical connection, etc.
- Figure la represents a glazing 2 whose electrical conductors 1 transit outside the area defined by a seal 3.
- This seal located on the body or on the glazing itself is in contact therewith (at least when the glazing is closed if the seal is placed on the body) over an area of a certain width shown in the figure.
- Diagram 1a shows, for example, the supply of electrical signals of an element 4 through a power source schematized in 5.
- This element can be a stop light, a sensor, a windshield wiper motor, etc. ...
- FIG. 1b shows a heated windshield.
- the heating network consists of thin wires of electrical heating resistor 6. Each heating wire is electrically connected to two collector strips 7 and 8.
- the collector strips are, for example, made of strips of copper foil covered with solder at the same time. tin with a low melting point. According to this scheme, the collector strips are located in the sealing zone. Connections 9 seal the passage of the sealing zone to the zone out of sealing. These links 9 constitute the electrical conductors 1 of the heating network which connect it to a power source, not shown.
- Diagrams 1c and 1d illustrate the passage of the electrical connections from the sealing zone to the non-sealing zone.
- Diagram 1c shows the supply of an element 10 located in the sealing zone to a supply source 11, also located in the sealing zone.
- the electrical conductor 1 is located for the most part out of the sealing zone while ensuring the passage from one area to another.
- the element 10 may be a traffic light, such as a stop light, an antenna, a sensor, and the "power source" for electrical signals, for example a lithium chemical battery or a radio signal preamplifier.
- Diagram 1d illustrates, for its part, a heated rear window consisting of conductors made of a silkscreened silver paste 12 electrically connected to two collector strips.
- the cables 15 and 16 constitute the electrical conductors 1 between the heating network and an external power source, not shown.
- the collector strips consist of a silver paste 12 deposited by screen printing, and the electrical connection provided by conductive filaments in the form of flat braids or wires 15, 16 respectively.
- FIG. 2 represents, in more detail, the passage from the sealing zone to the non-sealing zone delimited by the zone of the seal 3.
- a profiled part 17, which constitutes the complementary element of the invention, ensures the tightness of this passage.
- the profiled part 17 is advantageously obtained by molding or, preferably, by overmolding.
- FIG. 3 illustrates various profiled pieces which constitute complementary elements according to the invention; they are here in the form of a hat, without limitation.
- This "soft" shape which is gradually connected to the surface of the glazing makes it possible to easily seal between, on the one hand, the glazing and the part and an elastic seal on the other.
- the profiled part 19 may cover a rectangular, elliptical surface or have lips 20 as illustrated in the diagrams 3a, 3b, 3c and 3d respectively.
- the conductor parts are here represented as wires 40 (diagrams 3a, 3b and 3c) or flat conductors 21 (diagrams 3g, 3h).
- the conductors 40, 21 are embedded in the material of the profiled piece 19 and, insofar as it is electrically insulating, it is not necessary that in this area, the conductors are provided with a sheath. Such absence of sheath prevents the (minimal) space between the sheath and the metal core of the driver is a path for moisture. According to these diagrams, the profiled parts are overmoulded.
- the electrical connections can also be conductive layers 21, as shown in the diagrams 3g, 3h, 3i and 3j. These layers may be a silver paste deposited by screen printing or a conductive coating. According to diagrams 3i and 3j, the conductive layers 21 are housed in housings of prefabricated parts and glued to the glazing unit.
- braids 41 (diagram 3b).
- the profiled parts 19 which constitute the complementary element of the invention are in two parts, a base 22 and a cover 42.
- the base may comprise pins 23 intended to cooperate with the complementary forms 24 of the cover 42.
- the base is fixed here by gluing on the glazing through the adhesive film 25.
- the electrical conductor portion 40 included in the profiled piece 19 must here also be isolated from the interior and exterior spaces (or at least one of the two), which is why at the ends (or at one of them) , the space where the driver is located is closed.
- part 19 is in two parts makes it possible to separate the functions, the base holds in place the portion of electrical conductor that passes through it, the cover with a suitable external shape, allows a connection with the peripheral seal of the elastomer glazing which is perfectly waterproof.
- Figure 5 shows, in more detail, a type of electrical connection at the passage from the sealing zone to the zone out of sealing.
- the electrical connections are conductive cables, they are not suitable for the passage from one zone to another. Indeed, they generally have a relatively large thickness. Moreover, their relatively close contact surface with the glazing involves a risk of misplacement that may in particular alter the tightness of the passage from one area to another.
- connection at said passage is thin.
- This is, for example, a conductive layer, a foil, a copper strip or a wafer of conductive material.
- Figure 5a shows a portion of the electrical conductor 26 consisting of a silver-based paste deposited, for example, by screen printing.
- the cables 27 are, for example, connected by welding to the silver paste.
- Figure 5b shows an electrical conductor portion 28 consisting of a silver-based paste on which are welded metal foils 29, the cables 27 being electrically connected to this assembly.
- This device makes it possible, in particular, to increase the electrical power at the level of the connection ensuring the passage from one zone to another.
- FIG. 6 shows an advantageous variant of the invention.
- an elastomeric seal which is attached to the periphery of the glazing. It has a lip 31 which can have several functions. One of them is to plug the gap between the glazing 2 and the body 32.
- this seal is a self-adhesive elastomeric profile which is designed to incorporate conductive cables 43.
- the attachment of the profile to glazing is done on the edge and one and / or the other face at the edge of the glazing, spaces being formed inside this profile for housing these connections.
- the cables 43 are connected to the conductor portion 35 consisting of a conductive flexible material plate via an electrical connector 34.
- the electrical wires connected to the user element of the link are not shown in the figure, they are welded to the conductive flexible material plate 35.
- This plate is electrically insulated and the assembly is sealed thanks to the localized portion 37 of the seal, this profiled piece is advantageously obtained by means of an organized leakage of the plastic material constituting the profile 30.
- FIG. 7 represents another variant of the invention according to which the electrical conductor 1 consists solely of a silver-paste-based collector strip deposited by screen printing.
- This band provides power to the element 38 by connecting it to a power source not shown.
- the collecting strip is located both outside and inside the sealing area defined by the seal 3, while ensuring the passage of electricity from one area to another.
- a profiled part 39 provides part of the sealing of this band. It preferably has a means for facilitating the mounting of the glazing in the bodywork bay, in particular a lip 31, as shown in FIG. 5.
- the collecting strip can be totally protected from external stresses by the piece 39. It can also, as shown, overflow the room.
- the overflowing part can then be covered with a coating ensuring its tightness. It is an essentially organic coating, based on a polymer or a copolymer based on a polyurethane resin, acrylic or cationic. This coating is, for example, that described in patent application FR 93/09595 not yet published.
- the glazing just described has many advantages.
- the technique to achieve it is very industrial, it allows both to fix the cables at the link and ensure it perfectly sealed and that the glazing-body sealing is obtained by gluing ( Figure 6) or with an elastomer seal applied to the glazing or bodywork while glued to the other.
Landscapes
- Resistance Heating (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Details Of Aerials (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Surface Heating Bodies (AREA)
Description
L'invention concerne un vitrage nécessitant une alimentation en signaux électriques. L'invention concerne également l'utilisation d'un tel vitrage, spécialement sur les véhicules.The invention relates to a glazing requiring a supply of electrical signals. The invention also relates to the use of such a glazing, especially on vehicles.
Un vitrage selon le préambule de la revendication est décrit dans EP-A-0 217 703.Glazing according to the preamble of the claim is described in EP-A-0 217 703.
Dans une automobile, plusieurs types de vitrages nécessitent une liaison électrique. Il s'agit de vitrages chauffants, dégivrants, à propriétés optiques télécommandées ou de vitrages possédant un élément nécessitant cette liaison comme, par exemple, une antenne, des capteurs...In an automobile, several types of glazing require an electrical connection. These are heated, defrosting windows with remote-controlled optical properties or glazings that have an element requiring this connection, such as, for example, an antenna, sensors, etc.
La liaison électrique est usuellement constituée d'une bande collectrice en contact électrique avec les éléments nécessitant cette alimentation. Elle est connectée en bord de vitrage à un câble relié à une source d'alimentation, comme décrit par exemple dans le brevet DE-36 04 437.The electrical connection is usually constituted by a collector band in electrical contact with the elements requiring this supply. It is connected at the edge of glazing to a cable connected to a power source, as described for example in the patent DE-36 04 437.
La source électrique ou l'organe de commande est, de façon générale, situé dans une zone protégée des sollicitations extérieures ainsi, dans le cas d'un vitrage chauffant, l'interrupteur qui commande le dégivrage est à l'intérieur de l'habitacle, il en va de même dans le cas d'un feu stop installé sur le vitrage. D'une façon symétrique, si, par exemple, la source électrique est une antenne sérigraphiée sur le vitrage, sur sa face interne, elle se trouve également dans la zone protégée des sollicitations extérieures.The electrical source or the control member is generally located in an area protected from external stresses and, in the case of a heated glazing unit, the switch that controls the deicing is inside the passenger compartment. it is the same in the case of a brake light installed on the glazing. In a symmetrical manner, if, for example, the electrical source is an antenna screen printed on the glazing, on its inner face, it is also in the protected area external stresses.
A l'inverse, le dispositif qui exploite l'énergie ou les signaux électriques se trouve lui aussi dans une zone protégée, à l'intérieur du véhicule. C'est le cas du réseau chauffant sérigraphié d'une lunette dégivrante, c'est le cas du feu stop intégré au vitrage mais également, symétriquement, c'est le cas du poste récepteur de radio dans l'habitacle.Conversely, the device that uses energy or electrical signals is also in a protected area inside the vehicle. This is the case of the screen-printed heating network of a defrosting bezel, this is the case of the stop light integrated in the glazing, but also, symmetrically, this is the case of the radio receiver station in the passenger compartment.
Ainsi dans le domaine de l'invention, celui où d'une part le dispositif consommateur de courant, ou celui qui exploite des signaux électriques ou, d'autre part, la source électrique, se trouvent installés sur un vitrage, à l'intérieur du véhicule, la liaison électrique conduit de l'intérieur du véhicule à l'intérieur du véhicule. Un problème se pose lorsque, entre ses deux extrémités, la liaison doit transiter hors de la zone protégée des sollicitations extérieures. Plus particulièrement, l'invention concerne le cas où l'une de ces deux transitions, intérieur-extérieur, se situe au voisinage du vitrage, le problème est particulièrement sensible lorsque le vitrage est un vitrage ouvrant tel qu'un hayon.Thus, in the field of the invention, the one on the one hand, the current-consuming device, or the one that uses electrical signals or, on the other hand, the electrical source, are installed on a glazing unit, on the inside. of the vehicle, the electrical connection leads from inside the vehicle to the interior of the vehicle. A problem arises when, between its two ends, the connection has to pass outside the protected area from external demands. More particularly, the invention relates to the case where one of these two transitions, inside-outside, is in the vicinity of the glazing, the problem is particularly sensitive when the glazing is an opening glazing such as a tailgate.
L'invention a pour tâche de procurer un vitrage dont l'alimentation électrique sera assurée par des liaisons électriques situées à la fois en dehors et au sein de la zone délimitée par un joint d'étanchéité, dite zone d'étanchéité.The invention has the task of providing a glazing whose power supply will be provided by electrical connections located both outside and within the area defined by a seal, said sealing area.
L'invention doit permettre que la transition de la liaison électrique entre l'intérieur et l'extérieur s'effectue sans permettre la pénétration de l'eau. Il faut également que cette transition ne gène pas le fonctionnement des moyens d'étanchéité habituels (joints).The invention must allow the transition of the electrical connection between the inside and the outside is carried out without allowing the penetration of water. It is also necessary that this transition does not interfere with the operation of the usual sealing means (seals).
L'invention est définie dans les revendications 1 et 5.The invention is defined in
L'invention propose un vitrage comportant à sa surface un conducteur électrique dans lequel un élément complémentaire recouvre une partie du conducteur et confère une étanchéité absolue à ladite partie du conducteur recouverte par cet élément, de préférence la partie du conducteur électrique est choisie parmi les éléments suivants, pris seuls ou en combinaison : couche conductrice, par exemple déposée par sérigraphie, clinquant, plaque souple conductrice, filaments conducteurs sous forme de fils ou de tresses, connexion électrique de type soudure.The invention proposes a glazing unit having on its surface an electrical conductor in which a complementary element covers a portion of the conductor and provides an absolute seal to said portion of the conductor covered by this element, preferably the portion of the electrical conductor is selected from the elements following alone or in combination: conductive layer, for example deposited by screen printing, foil, conductive flexible plate, conductive filaments in the form of son or braids, solder type electrical connection.
Le mode préféré pour réaliser l'élément conférant une étanchéité absolue est le surmoulage du vitrage. Les liaisons électriques sont maintenues provisoirement en position pendant la durée nécessaire au surmoulage par tout moyen approprié : colle, cavaliers, rivets, couche adhésive, etc...The preferred embodiment for producing the element conferring an absolute seal is overmoulding of the glazing. The electrical connections are temporarily held in position for the time required for overmolding by any appropriate means: glue, jumpers, rivets, adhesive layer, etc ...
L'élément complémentaire avec les caractéristiques qui viennent d'être énoncées permet ainsi de disposer d'une sortie étanche » du vitrage. Elle est utilisable, toutes choses égales par ailleurs, comme la sortie étanche du câble d'alimentation de n'importe quel appareil électrique en contact avec l'eau, comme par exemple une pompe immergée.The complementary element with the characteristics that have just been stated thus provides a sealed outlet "glazing. It is usable, all things being equal, as the sealed output of the power cable of any electrical appliance in contact with water, such as a submerged pump.
Dans une variante du vitrage de l'invention, on prévoit que l'élément conférant une étanchéité absolue soit réalisé par l'association d'une embase sur laquelle se greffe un couvercle.In a variant of the glazing unit of the invention, provision is made for the element providing an absolute seal to be formed by the combination of a base on which a cover is grafted.
Le vitrage de l'invention est particulièrement adapté à l'automobile. L'invention prévoit son utilisation sur un véhicule automobile, un joint d'étanchéité étant au contact dudit vitrage, au moins lorsque celui-ci est en position fermée, et alors le joint d'étanchéité recouvre, au moins partiellement, le conducteur électrique et l'élément complémentaire conférant une étanchéité absolue. Dans ce cas, de préférence, ladite partie du conducteur électrique est reliée, d'une part, à un câble relié à une source de courant ou de signaux électriques et, d'autre part, à un câble relié à un dispositif utilisant le courant ou les signaux tel que dégivrage, feu stop, poste de radio, les deux câbles cheminant de part et d'autre de l'emplacement du joint d'étanchéité.The glazing of the invention is particularly suitable for the automobile. The invention provides for its use on a motor vehicle, a seal being in contact with said glazing, at least when it is in the closed position, and then the seal covers, at least partially, the electrical conductor and the complementary element conferring an absolute seal. In this case, preferably, said portion of the electrical conductor is connected, on the one hand, to a cable connected to a source of current or electrical signals and, on the other hand, to a cable connected to a device using the current or signals such as deicing, stop light, radio, the two cables running on either side of the location of the seal.
Dans une variante, il est prévu que l'un des câbles, placé à l'extérieur du véhicule, soit incorporé dans un profilé collé en bord de vitrage.In a variant, it is expected that one of the cables, placed outside the vehicle, is incorporated in a profile glued to the edge of glazing.
Monté sur le vitrage d'une automobile, en particulier sur un vitrage ouvrant qui vient se presser sur un joint d'étanchéité lié à la carrosserie et constitué d'un élastomère, l'élément complémentaire de l'invention permet, grâce à la forme adaptée que l'homme du métier lui confère, de garder les mêmes joints que lorsqu'il n'existe pas de conducteurs électriques transitant au niveau du joint tout en gardant une excellente étanchéité.Mounted on the glazing of an automobile, in particular on an opening glazing which is pressed on a seal linked to the body and made of an elastomer, the complementary element of the invention makes it possible, thanks to the shape adapted to it by the person skilled in the art, to keep the same joints as when there are no electrical conductors passing through the joint while keeping an excellent seal.
D'autres avantages et caractéristiques apparaîtront dans la description suivante en référence aux figures annexées dans lesquelles :
- la figure 1 représente différentes trajectoires de liaisons électriques selon l'invention,
- la figure 2 représente une vue plus en détail du passage de la zone d'étanchéité à la zone hors étanchéité,
- la figure 3 représente des variantes de l'élément complémentaire en coupe,
- la figure 4 représente des pièces profilées selon l'invention, les conducteurs étant supportés par des embases, elles-mêmes recouvertes d'un couvercle,
- la figure 5 représente deux vues de face d'une connexion selon l'invention,
- la figure 6 représente une coupe d'une variante de l'invention,
- la figure 7 représente une vue de face d'un vitrage de l'invention.
- FIG. 1 represents different paths of electrical connections according to the invention,
- FIG. 2 represents a more detailed view of the transition from the sealing zone to the zone outside the seal,
- FIG. 3 represents variants of the complementary element in section,
- FIG. 4 represents profiled parts according to the invention, the conductors being supported by bases, themselves covered with a cover,
- FIG. 5 represents two front views of a connection according to the invention,
- FIG. 6 represents a section of a variant of the invention,
- Figure 7 shows a front view of a glazing unit of the invention.
La figure 1 illustre différentes trajectoires que peuvent suivre les conducteurs électriques 1, sur un vitrage 2 de l'invention. Bien entendu, ces trajectoires sont données à titre non limitatif. Le conducteur peut être constitué des éléments suivants, pris indépendamment ou en combinaison : un clinquant métallique, une couche conductrice, au moins un filament conducteur, une plaquette conductrice, une barrette en cuivre ou une connexion électrique du type soudure, etc...Figure 1 illustrates different paths that can follow the
Le schéma la représente un vitrage 2 dont les conducteurs électriques 1 transitent en dehors de la zone délimitée par un joint d'étanchéité 3. Ce joint situé, soit sur la carrosserie, soit sur le vitrage lui-même est en contact avec celui-ci (au moins lorsque le vitrage est fermé si le joint est placé sur la carrosserie) sur une zone d'une certaine largeur représentée sur la figure. Le schéma 1a représente, par exemple, l'alimentation en signaux électriques d'un élément 4 grâce à une source d'alimentation schématisée en 5. Cet élément peut être un feu stop, un capteur, un moteur d'essuie-glaces, etc...Figure la represents a
Le schéma 1b illustre un pare-brise chauffant. Le réseau chauffant est constitué de fils fins de résistance électrique de chauffage 6. Chaque fil chauffant est relié électriquement à deux bandes collectrices 7 et 8. Les bandes collectrices sont, par exemple, constituées de bandes de clinquant de cuivre recouvertes de brasure à l'étain à bas point de fusion. Selon ce schéma, les bandes collectrices sont situées dans la zone d'étanchéité. Des liaisons 9 assurent l'étanchéité du passage de la zone d'étanchéité à la zone hors étanchéité. Ces liaisons 9 constituent les conducteurs électriques 1 du réseau chauffant qui le relient à une source d'alimentation électrique, non représentée.Figure 1b shows a heated windshield. The heating network consists of thin wires of
Les schémas 1c et 1d illustrent le passage des liaisons électriques de la zone d'étanchéité à la zone hors étanchéité.Diagrams 1c and 1d illustrate the passage of the electrical connections from the sealing zone to the non-sealing zone.
Le schéma 1c représente l'alimentation d'un élément 10 situé dans la zone d'étanchéité à une source d'alimentation 11, située aussi dans la zone d'étanchéité. Pour des raisons d'encombrement, le conducteur électrique 1 est situé en majeure partie hors de la zone d'étanchéité tout en assurant le passage d'une zone à l'autre. L'élément 10 peut être un feu de signalisation, tel un feu stop, une antenne, un capteur, et la « source d'alimentation » en signaux électriques, par exemple, une pile chimique au lithium ou un préamplificateur de signaux radio.Diagram 1c shows the supply of an
Le schéma 1d illustre, quant à lui, une lunette arrière chauffante constituée de conducteurs faits d'une pâte d'argent sérigraphiée 12 connectés électriquement à deux bandes collectrices. Les câbles 15 et 16 constituent les conducteurs électriques 1 entre le réseau chauffant et une source d'alimentation extérieure, non représeritée. Selon ce schéma, les bandes collectrices sont constituées d'une pâte d'argent 12, déposée par sérigraphie, et la liaison électrique assurée par des filaments conducteurs sous forme de tresses plates ou de fils 15, 16 respectivement.Diagram 1d illustrates, for its part, a heated rear window consisting of conductors made of a
Sur cette figure 1, les pièces éléments complémentaires selon l'invention ne sont pas représentées.In this FIG. 1, the complementary element parts according to the invention are not shown.
La figure 2 représente, plus en détail, le passage de la zone d'étanchéité à la zone hors étanchéité délimité par la zone du joint d'étanchéité 3. Une pièce profilée 17, qui constitue l'élément complémentaire de l'invention, assure l'étanchéité de ce passage. La pièce profilée 17 est obtenue avantageusement par moulage ou, de préférence, par surmoulage.FIG. 2 represents, in more detail, the passage from the sealing zone to the non-sealing zone delimited by the zone of the
Sur la figure, on voit en 18 la représentation d'une gaine profilée qui est située dans la zone hors étanchéité et où sont logés les conducteurs électriques. Cette gaine profilée 18 est raccordée à la pièce profilée 17 mais, les pièces 17 et 18 peuvent constituer une seule et même pièce, comme représenté.In the figure, we see in 18 the representation of a profiled sheath which is located in the zone out of sealing and where are housed the electrical conductors. This profiled
La figure 3 illustre différentes pièces profilées qui constituent des éléments complémentaires selon l'invention ; ils sont ici en forme de chapeau, à titre non limitatif. Cette forme « douce » qui se raccord progressivement à la surface du vitrage permet d'assurer facilement l'étanchéité entre, d'une part, le vitrage et la pièce et un joint élastique de l'autre.FIG. 3 illustrates various profiled pieces which constitute complementary elements according to the invention; they are here in the form of a hat, without limitation. This "soft" shape which is gradually connected to the surface of the glazing makes it possible to easily seal between, on the one hand, the glazing and the part and an elastic seal on the other.
La pièce profilée 19 peut couvrir une surface rectangulaire, elliptique ou posséder des lèvres 20 comme illustrée sur les schémas 3a, 3b, 3c et 3d respectivement. Les parties de conducteurs sont ici représentées sous forme de fils 40 (schémas 3a, 3b et 3c) ou de conducteurs plats 21 (schémas 3g, 3h). Ici les conducteurs 40, 21 sont noyés dans la matière de la pièce profilée 19 et, dans la mesure où celle-ci est électriquement isolante, il n'est pas nécessaire que, dans cette zone, les conducteurs soient pourvus d'une gaine. Une telle absence de gaine évite que l'espace (minime) compris entre la gaine et l'âme métallique du conducteur ne constitue un chemin pour l'humidité. Selon ces schémas, les pièces profilées sont surmoulées. On peut également utiliser des pièces préfabriquées avec des logements dans lesquels se trouvent les conducteurs électriques, comme représenté sur les schémas 3d, 3e, 3f, 3i et 3j. Dans ce cas, il est indispensable que le logement où se trouve le conducteur soit fermé à ses extrémités, de manière à éviter que l'eau ne transite par le canal que constitue le logement.The profiled
Au lieu d'être constituées de fils, les liaisons électriques peuvent également être des couches conductrices 21, comme illustré sur les schémas 3g, 3h, 3i et 3j. Ces couches peuvent être une pâte d'argent déposée par sérigraphie ou un enduit conducteur. Selon les schémas 3i et 3j, les couches conductrices 21 sont logées dans des logements de pièces préfabriquées et collées au vitrage.Instead of being made of wires, the electrical connections can also be
En plus des fils, gainés ou non, et des conducteurs en couches déposés sur la surface du vitrage, on peut également utiliser des tresses 41 (schéma 3b).In addition to the wires, sheathed or not, and layer conductors deposited on the surface of the glazing, it is also possible to use braids 41 (diagram 3b).
Sur la figure 4, les pièces profilées 19 qui constituent l'élément complémentaire de l'invention sont en deux parties, une embase 22 et un couvercle 42. L'embase peut comporter des ergots 23 destinés à coopérer avec les formes complémentaires 24 du couvercle 42. L'embase est fixée ici par collage sur le vitrage grâce à la pellicule de colle 25.In Figure 4, the profiled
La partie de conducteur électrique 40 inclue dans la pièce profilée 19 doit être ici aussi isolée des espaces intérieurs et extérieurs (ou au moins de l'un des deux), c'est pourquoi aux extrémités (ou à l'une d'elles), l'espace où se trouve le conducteur est clos.The
Le fait que la pièce 19 soit en deux parties permet de séparer les fonctions, l'embase maintient en place la partie de conducteur électrique qui la traverse, le couvercle avec une forme extérieure adaptée, permet un raccordement avec le joint périphérique du vitrage en élastomère qui soit parfaitement étanche.The fact that the
La figure 5 représente, plus en détail, un type de liaison électrique au niveau du passage de la zone d'étanchéité à la zone hors étanchéité.Figure 5 shows, in more detail, a type of electrical connection at the passage from the sealing zone to the zone out of sealing.
Lorsque les liaisons électriques sont des câbles conducteurs, ces derniers ne conviennent pas pour le passage d'une zone à l'autre. En effet, ils possèdent en général une épaisseur relativement importante. Par ailleurs, leur surface de contact relativement étroite avec le vitrage entraîne un risque de mauvais positionnement pouvant notamment altérer l'étanchéité du passage d'une zone à l'autre.When the electrical connections are conductive cables, they are not suitable for the passage from one zone to another. Indeed, they generally have a relatively large thickness. Moreover, their relatively close contact surface with the glazing involves a risk of misplacement that may in particular alter the tightness of the passage from one area to another.
C'est pourquoi, il est préférable que la liaison au niveau dudit passage soit de faible épaisseur. Il s'agit, par exemple, d'une couche conductrice, un clinquant, une barrette en cuivre ou une plaquette en matériau conducteur.Therefore, it is preferable that the connection at said passage is thin. This is, for example, a conductive layer, a foil, a copper strip or a wafer of conductive material.
Le schéma 5a représente une partie du conducteur électrique 26 constitué d'une pâte à base d'argent déposée, par exemple, par sérigraphie. Les câbles 27 sont, par exemple, connectés par soudure à la pâte d'argent.Figure 5a shows a portion of the
Le schéma 5b représente une partie de conducteur électrique 28 constitué d'une pâte à base d'argent sur laquelle sont soudés des clinquants métalliques 29, les câbles 27 étant reliés électriquement à cet ensemble. Ce dispositif permet, notamment, d'augmenter la puissance électrique au niveau de la liaison assurant le passage d'une zone à l'autre.Figure 5b shows an
La figure 6 représente une variante avantageuse de l'invention. On voit en 30 un joint en élastomère qui est fixé à la périphérie du vitrage. Il possède une lèvre 31 qui peut avoir plusieurs fonctions. L'une d'elles est de boucher l'interstice entre le vitrage 2 et la carrosserie 32. Avantageusement, ce joint est un profilé en élastomère auto-adhésif qui est conçu de manière à incorporer des câbles conducteurs 43. La fixation du profilé au vitrage se fait sur la tranche et l'une et/ou l'autre face en bordure du vitrage, des espaces étant ménagés à l'intérieur de ce profilé pour le logement de ces liaisons. Les câbles 43 sont reliés à la partie de conducteur 35 constituée d'une plaque de matière souple conductrice par l'intermédiaire d'un connecteur électrique 34. Les fils électriques reliés à l'élément utilisateur de la liaison, comme source (antenne par exemple) ou comme consommateur de courant (feu stop par exemple) ne sont pas représentés sur la figure, ils sont soudés à la plaque de matière souple conductrice 35. Cette plaque est isolée électriquement et l'ensemble est rendu étanche grâce à la partie 37 localisée du joint, cette pièce profilée est obtenue avantageusement à l'aide d'une fuite organisée de la matière plastique constituant le profil 30.Figure 6 shows an advantageous variant of the invention. There is an elastomeric seal which is attached to the periphery of the glazing. It has a
Sur la figure 6, on voit en 44 un mastic de pose qui est collé à la fois au joint en élastomère 30 et à la carrosserie 32. Il assure l'étanchéité entre l'extérieur et l'intérieur du véhicule. Cette étanchéité est maintenue au niveau de la liaison électrique, grâce à la technique de l'invention.In Figure 6, there is shown in 44 a putty which is bonded to both the
La figure 7 représente une autre variante de l'invention selon laquelle le conducteur électrique 1 est constitué uniquement d'une bande collectrice à base de pâte d'argent déposée par sérigraphie. Cette bande assure l'alimentation électrique de l'élément 38 en le reliant à une source d'alimentation non représentée. La bande collectrice est située, à la fois, à l'extérieur et à l'intérieur de la zone d'étanchéité délimitée par le joint 3, tout en assurant le passage de l'électricité d'une zone à l'autre. Une pièce profilée 39 assure une partie de l'étanchéité de cette bande. Elle possède, de préférence, un moyen pour faciliter le montage du vitrage dans la baie de carrosserie, notamment une lèvre 31, telle que représentée sur la figure 5. La bande collectrice peut être totalement protégée des sollicitations extérieures par la pièce 39. Elle peut également, comme représenté, déborder de la pièce. La partie qui déborde peut alors être recouverte d'un enduit assurant son étanchéité. Il s'agit d'un enduit essentiellement organique, à base d'un polymère ou d'un copolymère à base d'une résine du type polyuréthane, acrylique ou cationique. Cet enduit est, par exemple, celui décrit dans la demande de brevet FR 93/09595 non encore publiée.FIG. 7 represents another variant of the invention according to which the
Le vitrage qui vient d'être décrit présente de nombreux avantages. La technique pour le réaliser est très industrielle, elle permet à la fois de fixer les câbles au niveau de la liaison et d'assurer celle-ci de manière parfaitement étanche et cela, que l'étanchéité vitrage-carrosserie soit obtenue par collage (figure 6) ou à l'aide d'un joint en élastomère plaqué sur le vitrage ou sur la carrosserie tandis qu'il est collé sur l'autre.The glazing just described has many advantages. The technique to achieve it is very industrial, it allows both to fix the cables at the link and ensure it perfectly sealed and that the glazing-body sealing is obtained by gluing (Figure 6) or with an elastomer seal applied to the glazing or bodywork while glued to the other.
Claims (7)
- Arrangement of a seal and glazed assembly intended to be mounted in bodywork, the glazed assembly comprising a glazing pane (2) that may be an opening one, the seal (3) being in contact with the glazing pane, at least when the latter is in the closed position in the case of an opening glazing pane, this seal being intended to provide a seal between the glazing pane and the bodywork to ensure impermeability, thus delimiting an impermeable zone on the glazing pane and a non-impermeable zone, the glazing pane (2) comprising on its surface an electrical conductor (1, 27, 40, 41, 21, 26, 28, 29, 35) that constitutes an electrical connection situated both outside and within the zone delimited by the seal (3), this electrical conductor being partly covered by a complementary element (17, 19), characterised in that the complementary element constitutes a piece that confers absolute impermeability on the said part of the conductor, and in that the seal in contact with the said glazing pane covers the complementary element at the change from the impermeable zone to the non-impermeable zone so as to provide impermeability between the complementary piece and the seal.
- Arrangement according to Claim 1, characterised in that the part of the electrical conductor is chosen from amongst the following elements, taken alone or in combination: conductive layer (21, 26, 28), for example deposited by screen printing, metal foil (29), flexible conductive plate (35), conductive filaments in the form of wires (40) or braids (41), or an electrical connection of the solder type.
- Arrangement according to one of Claims 1 or 2, characterised in that the element conferring absolute impermeability is produced by moulding onto the glazing pane.
- Arrangement according to one of Claims 1 or 2, characterised in that the element conferring absolute impermeability is produced by the association of a base (22) on which a cover (42) is grafted.
- Use of an arrangement according to one of Claims 1 to 4 on a motor vehicle, a seal being in contact with the said glazing pane, at least when the latter is in the closed position, characterised in that the seal at least partially covers the electrical conductor (1, 27, 40, 41, 21, 26, 28, 29, 35) and the complementary element (17, 19) conferring absolute impermeability.
- Use of an arrangement according to Claim 5, characterised in that the said part of the electrical conductor is connected on the one hand to a cable connected to a source of current or electrical signals and on the other hand to a cable connected to a device using the current or the signals such as de-icing, stop light or radio set, the two cables passing on each side of the location of the seal.
- Use of an arrangement according to Claim 6, characterised in that one of the cables is placed outside the vehicle and in that this cable (43) is incorporated in a profiled section (30) adhesively bonded to the edge of the glazing pane.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9402650 | 1994-03-08 | ||
FR9402650A FR2717339B3 (en) | 1994-03-08 | 1994-03-08 | Sealing of an electrical connection of a glazing. |
Publications (4)
Publication Number | Publication Date |
---|---|
EP0671864A2 EP0671864A2 (en) | 1995-09-13 |
EP0671864A3 EP0671864A3 (en) | 1996-07-10 |
EP0671864B1 EP0671864B1 (en) | 2003-05-21 |
EP0671864B2 true EP0671864B2 (en) | 2006-12-27 |
Family
ID=9460795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95400436A Expired - Lifetime EP0671864B2 (en) | 1994-03-08 | 1995-03-01 | Seal for an electrical connection to a window panel |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0671864B2 (en) |
JP (1) | JP3445860B2 (en) |
DE (1) | DE69530806T3 (en) |
FR (1) | FR2717339B3 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19856663C2 (en) * | 1998-12-09 | 2003-04-03 | Saint Gobain Sekurit D Gmbh | Contact device for an electrical functional element arranged on a window pane |
EP1160937B1 (en) * | 2000-06-02 | 2006-12-06 | Saint-Gobain Glass France | Electrical solderable connection element with solder deposition |
US7180031B1 (en) * | 2005-09-19 | 2007-02-20 | Automotive Components Holdings, Llc | Electrical connection in glazing operations |
EP2339894A1 (en) * | 2009-12-22 | 2011-06-29 | Saint-Gobain Glass France | Pane with electric connection element |
JP6009861B2 (en) * | 2012-08-24 | 2016-10-19 | 西川ゴム工業株式会社 | Touch sensor structure |
DE202014004267U1 (en) | 2014-05-23 | 2014-07-04 | Few Fahrzeugelektrikwerk Gmbh & Co. Kg | Electrical connection element for fastening, in particular soldering on a glass pane as well as mixed tape braid |
EP3347183B1 (en) | 2015-09-07 | 2020-12-16 | SABIC Global Technologies B.V. | Plastic glazing for a tailgate of a vehicle having a light assembly |
US11267173B2 (en) | 2015-09-07 | 2022-03-08 | Sabic Global Technologies B.V. | Molding of plastic glazing of tailgates |
EP3347219B1 (en) | 2015-09-07 | 2021-04-14 | SABIC Global Technologies B.V. | Aerodynamic features of plastic glazing of tailgates |
WO2017042698A1 (en) | 2015-09-07 | 2017-03-16 | Sabic Global Technologies B.V. | Surfaces of plastic glazing of tailgates |
KR102215029B1 (en) | 2015-11-23 | 2021-02-15 | 사빅 글로벌 테크놀러지스 비.브이. | Lighting system for windows having plastic glazing |
US11889596B2 (en) * | 2020-07-30 | 2024-01-30 | Min Hsiang Corporation | Electrical connecting portion for a device with a heating function |
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DE7904441U1 (en) † | 1979-02-17 | 1979-05-17 | Hans Bernstein Spezialfabrik Fuer Schaltkontakte, 4952 Porta Westfalica | Plastic terminal housing |
DE2914061A1 (en) † | 1978-04-17 | 1979-10-25 | Saint Gobain | HEATABLE INSULATING GLASS PANEL AND METHOD FOR MANUFACTURING IT |
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EP0607067A1 (en) † | 1993-01-12 | 1994-07-20 | Saint-Gobain Vitrage International | Connexion of a window to a power supply |
EP0630170A2 (en) † | 1993-06-15 | 1994-12-21 | Saint Gobain Vitrage International | Electrical connection for window |
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US4488033A (en) * | 1982-09-23 | 1984-12-11 | Interdynamics, Inc. | Heater assembly for heating glass surface |
DE3532119A1 (en) * | 1985-09-10 | 1987-03-19 | Ver Glaswerke Gmbh | ELECTRICALLY HEATED CAR GLASS DISC |
GB2192023B (en) * | 1986-06-26 | 1990-01-04 | Pilkington Brothers Plc | An edge-encapsulated glazing module |
NL8603265A (en) * | 1986-12-23 | 1988-07-18 | Volvo Car Bv | CONDUCTION FOR AN ELECTRICAL WIRING. |
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1994
- 1994-03-08 FR FR9402650A patent/FR2717339B3/en not_active Expired - Lifetime
-
1995
- 1995-03-01 DE DE69530806T patent/DE69530806T3/en not_active Expired - Lifetime
- 1995-03-01 EP EP95400436A patent/EP0671864B2/en not_active Expired - Lifetime
- 1995-03-08 JP JP04853495A patent/JP3445860B2/en not_active Expired - Lifetime
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FR1197127A (en) † | 1958-02-28 | 1959-11-27 | Anciens Etablissements Panhard | Improvements made to aerials fitted to vehicles, in particular to receiving aerials mounted on motor cars |
US3484584A (en) † | 1968-07-23 | 1969-12-16 | Ppg Industries Inc | Combination of electrically heated transparent window and antenna |
US3760157A (en) † | 1972-07-11 | 1973-09-18 | Thermoseal Glass Corp | Electrically heated window with a connector block and a circuit breaker |
DE2914061A1 (en) † | 1978-04-17 | 1979-10-25 | Saint Gobain | HEATABLE INSULATING GLASS PANEL AND METHOD FOR MANUFACTURING IT |
DE7904441U1 (en) † | 1979-02-17 | 1979-05-17 | Hans Bernstein Spezialfabrik Fuer Schaltkontakte, 4952 Porta Westfalica | Plastic terminal housing |
FR2475469A1 (en) † | 1981-02-03 | 1981-08-14 | Saint Gobain Vitrage | Pivoted automobile rear window with electric windscreen wiper - has conductor strips around edge of glass to supply wiper motor |
DE3105564A1 (en) † | 1981-02-16 | 1982-09-09 | Vereinigte Glaswerke Gmbh, 5100 Aachen | ALARM GLASS PANEL AND METHOD FOR THEIR PRODUCTION |
GB2152124A (en) † | 1983-12-20 | 1985-07-31 | Saab Scania Ab | An openable hatch for a vehicle |
GB2207696A (en) † | 1987-07-17 | 1989-02-08 | Siv Soc Italiana Vetro | Vehicle window |
US5099104A (en) † | 1989-11-09 | 1992-03-24 | Saint Gobain Vitrage International | Electrically heatable laminated glass plates having an electrically conductive surface coating |
EP0528204A1 (en) † | 1991-08-19 | 1993-02-24 | BERNSTEIN COMPACT-GEHAEUSE GmbH | Box with clamping means |
EP0607067A1 (en) † | 1993-01-12 | 1994-07-20 | Saint-Gobain Vitrage International | Connexion of a window to a power supply |
EP0630170A2 (en) † | 1993-06-15 | 1994-12-21 | Saint Gobain Vitrage International | Electrical connection for window |
Also Published As
Publication number | Publication date |
---|---|
FR2717339B3 (en) | 1996-05-24 |
DE69530806D1 (en) | 2003-06-26 |
EP0671864A3 (en) | 1996-07-10 |
DE69530806T3 (en) | 2007-07-12 |
DE69530806T2 (en) | 2004-04-08 |
EP0671864B1 (en) | 2003-05-21 |
EP0671864A2 (en) | 1995-09-13 |
FR2717339A1 (en) | 1995-09-15 |
JP3445860B2 (en) | 2003-09-08 |
JPH0850933A (en) | 1996-02-20 |
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