FR2911525A1 - Windscreen centering device for motor vehicle, has cylindrical block movable between contact position in which block contacts windscreen edge via top of lips, and blocking position in which movement between windscreen and block is prevented - Google Patents

Windscreen centering device for motor vehicle, has cylindrical block movable between contact position in which block contacts windscreen edge via top of lips, and blocking position in which movement between windscreen and block is prevented Download PDF

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Publication number
FR2911525A1
FR2911525A1 FR0752866A FR0752866A FR2911525A1 FR 2911525 A1 FR2911525 A1 FR 2911525A1 FR 0752866 A FR0752866 A FR 0752866A FR 0752866 A FR0752866 A FR 0752866A FR 2911525 A1 FR2911525 A1 FR 2911525A1
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FR
France
Prior art keywords
windscreen
block
windshield
centering device
contact
Prior art date
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Granted
Application number
FR0752866A
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French (fr)
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FR2911525B1 (en
Inventor
Sylvain Jantzen
Jean Sebastien Dehon
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PSA Automobiles SA
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Peugeot Citroen Automobiles SA
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Filing date
Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR0752866A priority Critical patent/FR2911525B1/en
Publication of FR2911525A1 publication Critical patent/FR2911525A1/en
Application granted granted Critical
Publication of FR2911525B1 publication Critical patent/FR2911525B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/10Aligning parts to be fitted together
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D65/00Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/06Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being doors, windows, openable roofs, lids, bonnets, or weather strips or seals therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)

Abstract

The device has a cylindrical block (320) movable between a contact position, in which the block contacts an edge of a windscreen (104) via top of lips of a seal (106), and a blocking position in which a relative movement between the windscreen and the block is prevented. The movement of the block between the contact and blocking positions is carried out during translation of a carriage (114b), by rotating around a rotational axis (304) perpendicular to a translation direction of the carriage.

Description

"Dispositif de centrage pour un pare-brise d'un véhicule automobile"Centering device for a windshield of a motor vehicle

comprenant des moyens de calage mobiles".  comprising movable wedging means ".

La présente invention concerne un dispositif de centrage pour un pare-brise d'un véhicule automobile, ce dispositif comprenant des moyens de calage mobiles. Un dispositif de centrage est utilisé sur une chaîne d'assemblage de véhicules. La chaîne d'assemblage comprend entre autre un dispositif de centrage et un robot muni d'un système de préhension et d'un système de mesure. Un pare-brise destiné à être collé dans une baie est déposé sur le dispositif de centrage qui le positionne automatiquement afin d'en déterminer la position de son centre. Par l'intermédiaire de son système de mesure, le robot mesure la baie afin d'en déterminer le centre et à partir de cette détermination et des informations concernant la position du centre du pare-brise qu'il reçoit, il positionne son système de préhension de la manière adéquate pour prendre le pare-brise et le positionner correctement dans la baie. La figure 1 montre un dispositif de centrage 100 de l'état de la technique pour un pare-brise 104 présentant une forme sensiblement plane et qui est disposé parallèlement à un plan 'xy' sensiblement horizontal. Le dispositif de centrage 100 comprend un châssis 102 sur lequel sont disposés des mâts de soutien 116 prévus pour soutenir le pare-brise 104, un premier mécanisme de centrage 110 prévu pour positionner le pare-brise 104 selon une première direction 'x' correspondant sensiblement à la longueur du pare-brise 104 et un deuxième mécanisme de centrage 112 prévu pour positionner le pare-brise 104 selon une deuxième direction 'y' correspondant sensiblement à sa largeur.  The present invention relates to a centering device for a windshield of a motor vehicle, this device comprising movable wedging means. A centering device is used on a vehicle assembly line. The assembly line includes among others a centering device and a robot equipped with a gripping system and a measuring system. A windshield for gluing in a bay is deposited on the centering device which automatically positions it to determine the position of its center. Through its measurement system, the robot measures the bay in order to determine the center and from this determination and information concerning the position of the center of the windshield that it receives, it positions its system. gripping in the proper way to take the windshield and position it properly in the bay. Figure 1 shows a centering device 100 of the state of the art for a windshield 104 having a substantially flat shape and which is arranged parallel to a substantially horizontal plane 'xy'. The centering device 100 comprises a frame 102 on which support poles 116 are provided for supporting the windshield 104, a first centering mechanism 110 provided for positioning the windshield 104 in a first direction 'x' corresponding substantially to the length of the windshield 104 and a second centering mechanism 112 provided for positioning the windshield 104 in a second direction 'y' substantially corresponding to its width.

Chaque dispositif de centrage 110, 112 comprend un premier ensemble 108a, 108b de deux moyens de calage 120, un deuxième ensemble 108c, 108d de deux moyens de calage 120, deux chariots 114a, 114c, 114b, 114d et un mécanisme de déplacement. Chaque ensemble 108a, 108b, 108c, 108d est monté sur l'un des chariots 114a, 114b, 114c, 114d. Chaque chariot est déplacé en translation par le mécanisme de déplacement considéré parallèlement à la direction 'x' ou 'y' du dispositif de centrage 110, 112 considéré. Chaque moyen de calage prend ici la forme d'une cale 120 cylindrique dont l'axe est vertical, c'est-à- dire orienté selon une direction 'z', et qui est fixe sur le chariot 114a, 114b, 114c, 114d correspondant et libre en rotation autour de son axe. Les vecteurs x,y,z correspondant aux directions x,y,z forment un trièdre direct.  Each centering device 110, 112 comprises a first assembly 108a, 108b of two wedging means 120, a second assembly 108c, 108d of two wedging means 120, two carriages 114a, 114c, 114b, 114d and a movement mechanism. Each set 108a, 108b, 108c, 108d is mounted on one of the carriages 114a, 114b, 114c, 114d. Each carriage is moved in translation by the movement mechanism considered parallel to the direction 'x' or 'y' of the centering device 110, 112 considered. Each wedging means here takes the form of a cylindrical shim 120 whose axis is vertical, that is to say oriented in a direction 'z', and which is fixed on the carriage 114a, 114b, 114c, 114d corresponding and free in rotation about its axis. The vectors x, y, z corresponding to the directions x, y, z form a direct trihedron.

Avant la dépose du pare-brise 104 sur les mâts de soutien 116, les cales 120 sont écartées pour permettre le passage du pare-brise 104. Les chariots 114a, 114b, 114c et 114d sont ensuite déplacés de manière que chaque cale 120 vienne en contact avec l'un des bords du pare- brise 104. La figure 2 est une vue de dessus du dispositif de centrage 100 et montre le sens de déplacement de chaque chariot 114a, 114b, 114c, 114d. Chaque chariot 114a, 114b, 114c, 114d se déplace vers le centre du pare-brise 104, c'est-à-dire dans le sens des flèches référencées respectivement 202a, 202b, 202c et 202d. Cette mise en contact permet à une unité de calcul intégrée au dispositif de centrage 100 de déterminer la position du centre du pare-brise 104. La détermination du centre du pare-brise 104 est primordiale pour permettre un bon positionnement dans la baie. Tout défaut d'alignement dans la baie peut engendrer des problèmes d'étanchéité et de bruit au roulage. La plupart des pare-brises 104 sont munis d'un joint 106 surmoulé sur leur pourtour. Ce type de joint 106 comporte des lèvres qui s'étendent vers l'extérieur du pare-brise 104 et qui sont généralement orientées vers le bas lorsque le pare-brise 104 est sur le dispositif de centrage 100. Sous certaines conditions, les lèvres du joint 106 peuvent s'orienter différemment et en particulier vers le haut. Une telle orientation génère un mauvais centrage du pare-brise 104 et donc une mauvaise détermination de son centre et ensuite un mauvais alignement dans la baie. L'invention a pour but de remédier à cet inconvénient en proposant un dispositif de centrage pour un pare-brise qui en assure un parfait centrage dans toutes les conditions. A cet effet, la présente invention concerne un dispositif de centrage pour un pare-brise d'un véhicule automobile comprenant pour chacun des bords dudit pare- brise : -une paire de moyens de calage, - un chariot portant ladite paire et mobile en translation de manière à amener chacun des moyens de calage en contact avec le bord considéré, le dispositif de centrage étant caractérisé en ce que chacun des moyens de calage d'au moins l'une des paires est mobile entre une position de contact et une position de calage lors de ladite translation, la position de contact étant telle que le moyen de calage vient en contact avec ledit bord par le haut et la position de calage étant telle qu'aucun mouvement relatif entre ledit pare-brise et le moyen de calage n'est possible. Avantageusement, le passage entre la position de contact et la position de calage s'effectue par rotation autour d'un axe de rotation perpendiculaire à la direction de ladite translation. Selon un mode de réalisation particulier de l'invention, le retour de la position de calage à la position de contact s'effectue par effet de la gravité sur le moyen de calage considéré.  Before removal of the windshield 104 on the support poles 116, the shims 120 are spaced to allow the passage of the windshield 104. The carriages 114a, 114b, 114c and 114d are then moved so that each shim 120 comes into position. contact with one of the edges of the windshield 104. Figure 2 is a top view of the centering device 100 and shows the direction of movement of each carriage 114a, 114b, 114c, 114d. Each carriage 114a, 114b, 114c, 114d moves towards the center of the windshield 104, that is to say in the direction of the arrows respectively referenced 202a, 202b, 202c and 202d. This contact allows a computing unit integrated in the centering device 100 to determine the position of the center of the windshield 104. The determination of the center of the windshield 104 is essential to allow proper positioning in the bay. Any misalignment in the bay can cause sealing and rolling noise problems. Most windshields 104 are provided with a seal 106 molded on their periphery. This type of seal 106 has lips which extend outwardly of the windshield 104 and which are generally oriented downwards when the windshield 104 is on the centering device 100. Under certain conditions, the lips of the joint 106 can be oriented differently and in particular upwards. Such an orientation generates a bad centering windshield 104 and thus a poor determination of its center and then a misalignment in the bay. The invention aims to overcome this disadvantage by providing a centering device for a windshield that ensures perfect centering in all conditions. To this end, the present invention relates to a centering device for a windshield of a motor vehicle comprising for each edge of said windshield: a pair of wedging means, a carriage carrying said pair and movable in translation. so as to bring each of the wedging means in contact with the edge in question, the centering device being characterized in that each of the wedging means of at least one of the pairs is movable between a contact position and a position of wedging during said translation, the contact position being such that the wedging means comes into contact with said edge from above and the staggering position being such that no relative movement between said windshield and the wedging means n ' is possible. Advantageously, the passage between the contact position and the locking position is performed by rotation about an axis of rotation perpendicular to the direction of said translation. According to a particular embodiment of the invention, the return of the locking position to the contact position is effected by effect of gravity on the setting means considered.

Selon un autre mode de réalisation particulier de l'invention, le retour de la position de calage à la position de contact s'effectue par l'action d'un actionneur mécanique sur le moyen de calage considéré.  According to another particular embodiment of the invention, the return of the stall position to the contact position is effected by the action of a mechanical actuator on the setting means considered.

L'invention sera mieux comprise, et d'autres buts, caractéristiques, détails et avantages de celle-ci apparaîtront plus clairement au cours de la description explicative qui va suivre faite en référence aux dessins annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels : - la figure 1 représente une vue en perspective d'un dispositif de centrage de l'état de la technique, - la figure 2 représente une vue de dessus du dispositif de centrage de la figure 1, et - la figure 3 représente une vue partielle en perspective d'un dispositif de centrage selon l'invention. La différence entre le dispositif de centrage de l'état de la technique et le dispositif de centrage de l'invention réside dans les moyens de calage utilisés. La figure 3 montre un agrandissement d'un moyen de calage 320 selon l'invention et qui prend ici la forme d'une cale cylindrique. La cale 320 est fixée à un sabot 306 solidaire du chariot 114b par une liaison pivot qui est représentée ici par un axe 304. L'axe de la liaison pivot est sensiblement orthogonal à la direction de déplacement du chariot 114b. Ici, l'axe de la liaison pivot est orthogonal à la direction 'y' et donc sensiblement parallèle à la direction 'x'.  The invention will be better understood, and other objects, features, details and advantages thereof will appear more clearly in the following explanatory description made with reference to the accompanying drawings given solely by way of example illustrating a mode of operation. embodiment of the invention and in which: - Figure 1 shows a perspective view of a centering device of the prior art, - Figure 2 shows a top view of the centering device of Figure 1 , and - Figure 3 shows a partial perspective view of a centering device according to the invention. The difference between the centering device of the state of the art and the centering device of the invention resides in the setting means used. Figure 3 shows an enlargement of a wedging means 320 according to the invention and which here takes the form of a cylindrical wedge. The shim 320 is fixed to a shoe 306 secured to the carriage 114b by a pivot connection which is represented here by an axis 304. The axis of the pivot connection is substantially orthogonal to the direction of movement of the carriage 114b. Here, the axis of the pivot connection is orthogonal to the direction 'y' and therefore substantially parallel to the direction 'x'.

La liaison pivot permet à la cale 320 d'être mobile entre une position de contact et une position de calage. La position de calage correspond à une orientation verticale de l'axe du cylindre 320 identique à celle des cales 120 de l'état de la technique, c'est-à-dire qu'aucun mouvement relatif entre le pare-brise 104 et la cale 320 n'est possible. La position de contact correspond à celle représentée à la figure 3, c'est-à- dire que la cale 320 est orientée de manière à ce que son sommet soit orienté vers le joint 106. En l'espèce, l'axe de la cale 320 présente avec l'axe z, un angle a, positif. Lors du déplacement du chariot 114b dans la direction y, ce positionnement particulier de la cale 320 entraîne que le contact entre le joint 106 et la cale 320 s'effectue par le dessus des lèvres du joint 106, c'est-à-dire par le haut. Quelle que soit la position initiale des lèvres du joint 106, ce contact entraîne que celles- ci sont abaissées de manière à toujours s'orienter vers le bas. Ainsi, les lèvres du joint 106 sont toujours orientées de la même manière et n'engendrent plus d'erreurs lors de la détermination de la position du centre du pare-brise 104.  The pivot connection allows the wedge 320 to be movable between a contact position and a stall position. The locking position corresponds to a vertical orientation of the axis of the cylinder 320 identical to that of the shims 120 of the state of the art, that is to say that no relative movement between the windshield 104 and the 320 wedge is not possible. The contact position corresponds to that shown in Figure 3, that is to say that the shim 320 is oriented so that its top is oriented towards the seal 106. In this case, the axis of the Wedge 320 has with the axis z, a positive angle a. When the carriage 114b moves in the y direction, this particular positioning of the shim 320 causes the contact between the seal 106 and the wedge 320 to be effected by the top of the lips of the seal 106, that is to say by the top. Whatever the initial position of the lips of the seal 106, this contact causes them to be lowered so as to always move downwards. Thus, the lips of the seal 106 are always oriented in the same way and no longer generate errors when determining the position of the center of the windshield 104.

Le passage de la position de contact à la position de calage s'effectue par le fait que le chariot 114b continue de se déplacer dans la direction 'y'. Le contact entre le joint 106 et la cale 320 est maintenu et la cale 320 roule sur le joint 106 lors de ce déplacement assurant ainsi le maintien de la position des lèvres du joint 106. Lorsque la position de calage est atteinte, le dispositif de centrage et le pare-brise 104 prennent des positions identiques à celles de l'état de la technique et l'unité de calcul du dispositif de centrage détermine sans risque d'erreur la position du centre du pare-brise 104. Le retour en position de contact se fait lors de l'écartement du chariot 114b, soit par effet de la gravité sur la cale 320, soit par un actionneur mécanique pouvant orienter la cale 320. Bien qu'il soit possible de remplacer chaque moyen de calage 120 de l'état de la technique par un moyen de calage 320 selon l'invention, il est suffisant de remplacer les deux moyens de calage 120 qui sont disposés sur le bord du pare-brise 104 servant de référence au calcul de la position du centre du pare-brise 104. En particulier, il est suffisant de disposer les nouveaux moyens de calage 320 du côté du bord supérieur du pare-brise 104 qui est ici, représenté par le bord disposé du côté du chariot 114b. Dans ce dernier cas, un procédé particulier de 5 détermination de la position du centre du pare-brise 104 comprend : - une étape de dépose du pare-brise 104 sur le dispositif de centrage, - une étape de pré-positionnement du pare-brise 104 10 selon la direction 'y' par mise en contact des cales 120 du chariot 114d et des cales 320 du chariot 114b, celles-ci restant en position de contact, - une étape de positionnement du pare-brise 104 selon la direction 'x' à l'aide du mécanisme de centrage 15 110, - une étape de positionnement du pare-brise 104 selon la direction 'y' par passage de la position de contact à la position de centrage et une étape de détermination du centre du pare-brise 104.  The transition from the contact position to the stall position is effected by the fact that the carriage 114b continues to move in the 'y' direction. The contact between the seal 106 and the shim 320 is maintained and the shim 320 rolls on the seal 106 during this movement thus ensuring the maintenance of the position of the lips of the seal 106. When the wedging position is reached, the centering device and the windshield 104 take identical positions to those of the state of the art and the computing unit of the centering device determines without risk of error the position of the center of the windshield 104. The return to position of contact is made during the separation of the carriage 114b, either by the effect of gravity on the shim 320, or by a mechanical actuator that can guide the shim 320. Although it is possible to replace each wedging means 120 of the state of the art by a wedging means 320 according to the invention, it is sufficient to replace the two setting means 120 which are arranged on the edge of the windshield 104 serving as a reference for calculating the position of the center of the windshield. 104 breeze. it is sufficient to have the new wedging means 320 on the side of the upper edge of the windshield 104 which is here, represented by the edge disposed on the side of the carriage 114b. In the latter case, a particular method of determining the position of the center of the windshield 104 comprises: - a step of removing the windshield 104 on the centering device, - a pre-positioning step of the windshield 104 10 in the direction 'y' by contacting the wedges 120 of the carriage 114d and the wedges 320 of the carriage 114b, the latter remaining in the position of contact, - a step of positioning the windshield 104 in the direction 'x by means of the centering mechanism 110, a step of positioning the windshield 104 in the direction y by passing the contact position to the centering position and a step of determining the center of the windshield. breeze 104.

20 Même si l'invention a été plus particulièrement décrite dans le cas d'un pare-brise avec un joint, elle peut s'appliquer de la même manière si le pare-brise ne porte pas de joint.Although the invention has been more particularly described in the case of a windshield with a seal, it can be applied in the same way if the windshield does not have a seal.

Claims (4)

REVENDICATIONS 1. Dispositif de centrage pour un pare-brise d'un véhicule automobile comprenant pour chacun des bords dudit pare-brise (104) une paire de moyens de calage, un chariot (114a, 114b, 114c, 114d) portant ladite paire et mobile en translation de manière à amener chacun des moyens de calage en contact avec le bord considéré, caractérisé en ce que chacun des moyens de calage (320) d'au moins l'une des paires est mobile entre une position de contact et une position de calage lors de ladite translation, la position de contact étant telle que le moyen de calage (320) vient en contact avec ledit bord par le haut et la position de calage étant telle qu'aucun mouvement relatif entre ledit pare-brise (104) et le moyen de calage (320) n'est possible.  1. Centering device for a windshield of a motor vehicle comprising for each edge of said windshield (104) a pair of wedging means, a carriage (114a, 114b, 114c, 114d) carrying said pair and movable in translation so as to bring each of the wedging means in contact with the edge in question, characterized in that each of the wedging means (320) of at least one of the pairs is movable between a contact position and a position of wedging during said translation, the contact position being such that the wedging means (320) comes into contact with said edge from above and the staggering position being such that no relative movement between said windshield (104) and the wedging means (320) is not possible. 2. Dispositif de centrage selon la revendication 1, caractérisé en ce que le passage entre la position de contact et la position de calage s'effectue par rotation autour d'un axe de rotation (304) perpendiculaire à la direction de ladite translation.  2. Centering device according to claim 1, characterized in that the passage between the contact position and the staggering position is performed by rotation about an axis of rotation (304) perpendicular to the direction of said translation. 3. Dispositif de centrage selon l'une des revendications 1 ou 2, caractérisé en ce que le retour de la position de calage à la position de contact s'effectue par effet de la gravité sur le moyen de calage (320) considéré.  3. Centering device according to one of claims 1 or 2, characterized in that the return of the wedging position to the contact position is effected by the effect of gravity on the wedging means (320). 4. Dispositif de centrage selon l'une des revendications 1 ou 2, caractérisé en ce que le retour de la position de calage à la position de contact s'effectue par l'action d'un actionneur mécanique sur le moyen de calage (320) considéré.  4. Centering device according to one of claims 1 or 2, characterized in that the return of the wedging position to the contact position is effected by the action of a mechanical actuator on the wedging means (320 ) considered.
FR0752866A 2007-01-24 2007-01-24 CENTERING DEVICE FOR A WINDSHIELD OF A MOTOR VEHICLE COMPRISING MOBILE TRIMMING MEANS. Expired - Fee Related FR2911525B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0752866A FR2911525B1 (en) 2007-01-24 2007-01-24 CENTERING DEVICE FOR A WINDSHIELD OF A MOTOR VEHICLE COMPRISING MOBILE TRIMMING MEANS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0752866A FR2911525B1 (en) 2007-01-24 2007-01-24 CENTERING DEVICE FOR A WINDSHIELD OF A MOTOR VEHICLE COMPRISING MOBILE TRIMMING MEANS.

Publications (2)

Publication Number Publication Date
FR2911525A1 true FR2911525A1 (en) 2008-07-25
FR2911525B1 FR2911525B1 (en) 2009-04-17

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FR0752866A Expired - Fee Related FR2911525B1 (en) 2007-01-24 2007-01-24 CENTERING DEVICE FOR A WINDSHIELD OF A MOTOR VEHICLE COMPRISING MOBILE TRIMMING MEANS.

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FR (1) FR2911525B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109954627A (en) * 2019-03-11 2019-07-02 广汽本田汽车有限公司 A kind of windshield coating system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667805A (en) * 1985-11-06 1987-05-26 Westinghouse Electric Corp. Robotic part presentation system
FR2831129A1 (en) * 2001-10-22 2003-04-25 Renault Motor vehicle assembly line curved windscreen fitting system has centering table with stop to limit deformation of windscreen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4667805A (en) * 1985-11-06 1987-05-26 Westinghouse Electric Corp. Robotic part presentation system
FR2831129A1 (en) * 2001-10-22 2003-04-25 Renault Motor vehicle assembly line curved windscreen fitting system has centering table with stop to limit deformation of windscreen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109954627A (en) * 2019-03-11 2019-07-02 广汽本田汽车有限公司 A kind of windshield coating system
WO2020181970A1 (en) * 2019-03-11 2020-09-17 广汽本田汽车有限公司 Adhesive coating system for automobile windscreen

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Publication number Publication date
FR2911525B1 (en) 2009-04-17

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