FR2976544A1 - Arrangement for assembling e.g. lower and upper boot skins, of car, has hollow part containing sealing material for filling space when boss is engaged in hollow part after attachment to wall portion prior to attachment to another portion - Google Patents

Arrangement for assembling e.g. lower and upper boot skins, of car, has hollow part containing sealing material for filling space when boss is engaged in hollow part after attachment to wall portion prior to attachment to another portion Download PDF

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Publication number
FR2976544A1
FR2976544A1 FR1155256A FR1155256A FR2976544A1 FR 2976544 A1 FR2976544 A1 FR 2976544A1 FR 1155256 A FR1155256 A FR 1155256A FR 1155256 A FR1155256 A FR 1155256A FR 2976544 A1 FR2976544 A1 FR 2976544A1
Authority
FR
France
Prior art keywords
wall portions
boss
parts
attachment
space
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.)
Withdrawn
Application number
FR1155256A
Other languages
French (fr)
Inventor
Patrice Auduc
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR1155256A priority Critical patent/FR2976544A1/en
Publication of FR2976544A1 publication Critical patent/FR2976544A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D27/00Connections between superstructure or understructure sub-units
    • B62D27/02Connections between superstructure or understructure sub-units rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/10Spot welding; Stitch welding
    • B23K11/11Spot welding
    • B23K11/115Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/16Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124Tongue and groove joints
    • B29C66/1244Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue
    • B29C66/12449Tongue and groove joints characterised by the male part, i.e. the part comprising the tongue being asymmetric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124Tongue and groove joints
    • B29C66/1246Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12461Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being rounded, i.e. U-shaped or C-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124Tongue and groove joints
    • B29C66/1246Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12463Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being tapered
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/124Tongue and groove joints
    • B29C66/1246Tongue and groove joints characterised by the female part, i.e. the part comprising the groove
    • B29C66/12469Tongue and groove joints characterised by the female part, i.e. the part comprising the groove being asymmetric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312Single flange to flange joints, the parts to be joined being rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/32Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/322Providing cavities in the joined article to collect the burr
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/50General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D29/00Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/04Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
    • B62D29/041Understructures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D29/00Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/04Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of synthetic material
    • B62D29/048Connections therefor, e.g. joints
    • 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
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • 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
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/08Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of welds or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/006Vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/18Sheet panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/20Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832Reciprocating joining or pressing tools
    • B29C66/8322Joining or pressing tools reciprocating along one axis
    • B29C66/83221Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Seal Device For Vehicle (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The arrangement has first wall portions (18, 19) contiguously superimposed in an attachment point and second wall portions (24, 25) superposed and adjacent to the first wall portions. A space (27) is defined between a boss (31) of one of the second wall portions and a hollow part (32) of the other second wall portion, in which the boss is engaged. The hollow part contains viscous sealing material (46) i.e. adhesive, for filling the space when the boss is engaged in the hollow part after attachment to one of the first wall portions prior to attachment to the other first wall portion.

Description

" AGENCEMENT DE DEUX PIECES, NOTAMMENT DE VEHICULE AUTOMOBILE, ASSEMBLEES L'UNE A L'AUTRE PAR DEUX DE LEURS PAROIS SUPERPOSEES, DE FAÇON ETANCHE " La présente invention concerne un agencement de deux pièces, notamment de véhicule automobile, assemblées l'une à l'autre par deux de leurs parois superposées, de façon étanche. L'invention concerne plus particulièrement un agencement de deux pièces de véhicule automobile telles que deux éléments de tôle ou deux pièces plastiques d'un véhicule automobile. Dans un agencement de deux éléments de tôle d'un véhicule automobile, et de type connu, tel qu'illustré sur la figure 2, l'assemblage de ces deux éléments intervient simultanément avec la réalisation de l'étanchéité entre ces éléments. Plus précisément, comme visible sur la figure 1, un cordon d'étanchéité composé de la matière d'étanchéité visqueuse 11 est initialement interposé entre deux premières parties de paroi 3, 4 des deux éléments, alors que les extrémités libres de ces premières parties de paroi 3, 4 sont réunies jointivement par des embouts de pince 12 en vue de leur soudage. "ARRANGEMENT OF TWO PARTS, IN PARTICULAR OF A MOTOR VEHICLE, ASSEMBLED ONE TO THE OTHER BY TWO OF THEIR OVERLAPPED WALLS, IN A SEALED WAY" The present invention relates to an arrangement of two parts, in particular of a motor vehicle, assembled one to the other by two of their superimposed walls, tightly. The invention relates more particularly to an arrangement of two motor vehicle parts such as two sheet metal elements or two plastic parts of a motor vehicle. In an arrangement of two sheet metal elements of a motor vehicle, and of known type, as shown in Figure 2, the assembly of these two elements occurs simultaneously with the achievement of sealing between these elements. More specifically, as can be seen in FIG. 1, a sealing bead composed of the viscous sealing material 11 is initially interposed between two first wall portions 3, 4 of the two elements, whereas the free ends of these first parts of wall 3, 4 are joined together by clamp tips 12 for the purpose of their welding.

Il en résulte, comme le représente la figure 2, que la matière d'étanchéité se retrouve, sous la pression exercée par les embouts 12 de pince à l'extrémité des deux premières parties de paroi 3, 4, à être chassée vers l'espace existant entre deux deuxièmes parties de paroi 7, 8 adjacentes aux premières, jusqu'à déborder vers l'extérieur. Ainsi, la quantité de matière d'étanchéité interposée entre les deux secondes parties de paroi 7, 8 pour assurer l'étanchéité de la soudure est minime, et cette matière apparaît depuis l'extérieur de l'agencement des deux pièces, ce qui n'est pas satisfaisant esthétiquement. As a result, as shown in Figure 2, the sealing material is found, under the pressure exerted by the tips 12 clamp at the end of the first two wall portions 3, 4, to be driven to the space between two second wall portions 7, 8 adjacent to the first, to outflowing outwardly. Thus, the amount of sealing material interposed between the two second wall portions 7, 8 to seal the weld is minimal, and this material appears from outside the arrangement of the two parts, which n is not satisfying aesthetically.

L'invention vise à pallier ces inconvénients. A cet effet, l'invention a pour objet un agencement de deux pièces, notamment de véhicule automobile, assemblées l'une à l'autre par deux de leurs parois superposées comportant deux premières parties de paroi jointivement superposées solidaires l'une de l'autre par au moins un point de fixation, tel qu'un point de soudure, et deux secondes parties de paroi superposées adjacentes aux premières parties de paroi et définissant entre elles un espace comblé par une matière d'étanchéité. Selon l'invention, l'espace est en partie défini entre un bossage de l'une des deux secondes parties de paroi et un creux de l'autre partie de paroi dans lequel est engagé le bossage, le creux contenant, avant fixation l'une sur l'autre des deux premières parties de paroi, un volume de matière visqueuse d'étanchéité apte à remplir sous pression l'espace lorsque le bossage est engagé dans le creux après fixation l'une sur l'autre des deux premières parties de paroi. Dans divers modes de réalisation du dispositif selon l'invention, on peut éventuellement avoir recours en outre à l'une et/ou à l'autre des dispositions suivantes . - le creux et le bossage sont de formes approximativement complémentaires, - l'espace entre les deux secondes parties de paroi définit en section transversale un canal longiligne, s'étendant perpendiculairement à la direction des points de fixation l'une sur l'autre des deux premières parties de paroi, - le canal présente une forme générale en U, - l'espace comprend également une fente débouchant extérieurement, et prolongeant l'une des branches latérales du U défini par le canal considéré en section transversale, 30 35 - le canal formé entre le creux et le bossage des secondes parties de paroi et la fente définit un volume égal ou supérieur à celui de la matière visqueuse, - la matière visqueuse d'étanchéité est une colle. L'invention concerne également un ensemble de deux pièces de véhicule automobile assemblées l'une à l'autre conformément à l'agencement ci-dessus. The invention aims to overcome these disadvantages. For this purpose, the subject of the invention is an arrangement of two parts, in particular of a motor vehicle, assembled to one another by two of their superimposed walls comprising two mutually superposed first joined wall portions of one of the another by at least one attachment point, such as a weld spot, and two superimposed second wall portions adjacent to the first wall portions and defining therebetween a gap filled with a sealing material. According to the invention, the space is partly defined between a boss of one of the two second wall portions and a recess of the other wall portion in which the boss is engaged, the hollow containing, before fixing the one on the other of the first two wall portions, a volume of viscous sealing material capable of filling under pressure the space when the boss is engaged in the hollow after attachment to one another of the first two parts of wall. In various embodiments of the device according to the invention, one can optionally also resort to one and / or the other of the following provisions. the hollow and the boss are of approximately complementary shapes, the space between the two second wall portions defines in cross-section an elongated channel extending perpendicularly to the direction of the fixing points on each other; two first wall portions, - the channel has a generally U-shaped, - the space also comprises a slot opening outwardly, and extending one of the lateral branches of the U defined by the channel in cross section, 35 - the channel formed between the hollow and the boss of the second wall portions and the slot defines a volume equal to or greater than that of the viscous material, - the viscous sealing material is an adhesive. The invention also relates to a set of two motor vehicle parts assembled to one another according to the above arrangement.

Selon une autre caractéristique, ces deux pièces peuvent être des pièces de tôles d'un véhicule automobile, telles qu'une peau inférieure et une peau supérieure de coffre, ou un pavillon et un côté d'habitacle. According to another characteristic, these two parts may be sheet metal parts of a motor vehicle, such as a lower skin and a boot upper skin, or a roof and a cockpit side.

Selon encore une autre caractéristique, ces deux pièces peuvent être des pièces plastiques d'un véhicule automobile, telles qu'une peau de becquet et une doublure de becquet. D'autres buts, caractéristiques et avantages de l'invention apparaîtront au cours de la description suivante de ces différentes modes de réalisation, donnés à titre d'exemple non limitatif, en regard des dessins joints, sur lesquels : - les figures 1 et 2 précitées représentent en vue en coupe schématique, un agencement de deux pièces, de type connu, assemblées l'une à l'autre par deux de leurs parois superposées avec une matière visqueuse d'étanchéité interposée entre les deux pièces ; - la figure 3 illustre, sans matière d'étanchéité 30 et par une vue en coupe schématique, un agencement selon un premier mode de réalisation de l'invention ; - la figure 4 montre par une vue schématique en coupe, l'agencement de la figure 3 avec matière d'étanchéité, avant la solidarisation l'une à l'autre des 35 deux pièces ; - la figure 5 représente par une vue schématique en coupe, l'agencement de la figure 4 durant la solidarisation l'une à l'autre des deux pièces, et illustre avec un motif de hachures croisées, le débordement de matière étanche vers l'extérieur qui interviendrait avec l'agencement de type connu de la figure 2 ; - la figure 6 représente en perspective un coffre d'un véhicule automobile, dont les peaux supérieure et inférieure sont agencées avec l'agencement selon l'invention ; - la figure 7 illustre en vue schématique en coupe, un second mode de réalisation de l'agencement l'invention, utilisé pour l'assemblage des peaux supérieure et inférieure du coffre de la figure 6. La présente proposition consiste à éviter que la matière nécessaire à la réalisation de l'étanchéité entre deux pièces assemblées l'une à l'autre par deux de leurs parois superposées, ne soit chassée par le pincement de deux premières parties de paroi de ces pièces lors de leur fixation l'une l'autre. According to yet another characteristic, these two parts may be plastic parts of a motor vehicle, such as a spoiler skin and a spoiler lining. Other objects, features and advantages of the invention will become apparent from the following description of these various embodiments, given by way of non-limiting example, with reference to the accompanying drawings, in which: FIGS. 1 and 2 In a diagrammatic cross-sectional view, a two-piece arrangement of known type assembled to one another by two of their superimposed walls with a viscous sealing material interposed between the two parts; - Figure 3 illustrates, without sealing material 30 and a schematic sectional view, an arrangement according to a first embodiment of the invention; - Figure 4 shows a schematic sectional view, the arrangement of Figure 3 with sealing material, before securing one to the other of the two parts; - Figure 5 shows a schematic sectional view, the arrangement of Figure 4 during the joining of one of the two parts, and illustrates with a cross hatch pattern, the overflow of waterproof material to the outside which would intervene with the arrangement of known type of Figure 2; - Figure 6 shows in perspective a trunk of a motor vehicle, the upper and lower skins are arranged with the arrangement according to the invention; FIG. 7 is a diagrammatic sectional view of a second embodiment of the invention, used for assembling the upper and lower skins of the box of FIG. 6. The present proposal consists in preventing the material necessary to achieve the seal between two parts assembled to one another by two of their superimposed walls, is driven by the nip of two first wall parts of these parts when they are fixed one of them other.

La solution de l'invention illustrée sur les figures consiste à prévoir un espace non linéaire entre les deux pièces qui sera rempli par la matière lors de la fixation l'une à l'autre des deux pièces, cet espace allongeant le parcours de la matière d'étanchéité vers l'extérieur et confinant la matière entre les deux pièces malgré la pression exercée sur cette matière par l'opération de pincement. Dans l'exemple de réalisation illustré sur les figures 3 à 5, les deux pièces devant être soudées peuvent être constituées par des pièces de carrosserie de véhicule, telles qu'un pavillon 16 et un côté d'habitable 17 du véhicule, qui sont soudées l'une à l'autre par deux parois internes 18, 19 qui se superposent jointivement l'une l'autre, alors que deux parois externes 20, 21, formant chacune un coude avec la paroi interne correspondante 18, 19, apparaissent parallèles et dans le prolongement l'une de l'autre depuis l'extérieur de la soudure. Cette soudure est réalisée au moyen de différents points de soudure s'étendant selon un axe de soudage, non représenté, perpendiculaire à la vue en coupe représentée sur les figures. Les deux parois internes 18, 19 du pavillon et du côté d'habitacle 16, 17, définissent deux premières parties de paroi 22, 23 jointivement superposées et solidaires l'une de l'autre par les points de soudage précités, et deux secondes parties de paroi 24, 25 adjacentes aux premières. Il est bien entendu indispensable de rendre la soudure entre les deux parois internes 18, 19 des deux pièces étanche afin d'éviter toute introduction de quelque élément liquide ou solide que ce soit entre les deux pièces. A cet effet, les deux secondes parties de parois internes 24, 25 définissent un espace 27 destiné à être comblé par la matière d'étanchéité lorsque celle-ci est pincée sous l'effet des embouts de pince de soudage, et qui allonge le parcours de cette matière pour atteindre l'extérieur 28, l'espace en question étant courbe et présentant dans l'exemple représenté sur la figure 3, en section transversale, une forme en U. Pour définir cet espace en forme de U, tel que l'illustre la figure 4, la seconde partie de paroi interne 24 du pavillon 16 comprend un bossage 31 s'étendant le long de l'axe de précité, et la seconde partie correspondante de paroi interne du côté d'habitacle 25 comprend un creux 32 dans lequel s'engage le bossage 31 avec jeu. Le bossage 31 et le creux 32 sont de forme approximativement complémentaires puisque le creux présente des dimensions supérieures à celles du bossage du pavillon, afin de laisser la matière visqueuse sous l'effet de la pression exercée par le bossage lors du soudage, libre de s'écouler entre les deux pièces. Plus précisément, le bossage 31 du pavillon 16 est formé par trois portions de paroi consécutives 33, 34, 35 telles que repérées sur la figure 4, et qui définissent en section transversale une forme générale de U dont les branches opposées sont légèrement divergentes. De façon analogue, le creux 32 du côté d'habitacle 17 est formé par trois portions de paroi consécutives 37, 38, 39 définissant également en section transversale une forme de U dont les branches opposées sont légèrement divergentes et parallèles à celles du bossage 31 du pavillon 16 mais la branche centrale 38 du U du creux est plus longue que celle du U du bossage. En outre, la hauteur des branches latérales du U du creux 31 est supérieure à celles du U du bossage 32. Il en résulte que lorsque le bossage 31 est engagé dans le creux 32, tel que visible sur la figure 3, un espace en forme de canal 27 en section transversale, s'étendant perpendiculairement à l'axe de soudage, est défini entre les portions de paroi du bossage 31 et celles du creux 32, selon un profil également en forme de U dont les portions opposées divergent l'une par rapport à l'autre. La portion centrale de ce canal présente une largeur, définie entre les branches centrales 34 et 38 du bossage et du creux, supérieure à celles des portions latérales de canal, définies entre les branches latérales 33, 37 et 35, 39 des portions latérales du bossage 31 et du creux 32. The solution of the invention illustrated in the figures consists in providing a non-linear space between the two parts which will be filled by the material during the attachment to one another of the two parts, this space lengthening the path of the material Sealing outward and confining the material between the two parts despite the pressure exerted on this material by the pinching operation. In the exemplary embodiment illustrated in FIGS. 3 to 5, the two parts to be welded may be constituted by vehicle body parts, such as a roof 16 and a habitable side 17 of the vehicle, which are welded together. one to the other by two internal walls 18, 19 which overlap each other, while two outer walls 20, 21, each forming a bend with the corresponding inner wall 18, 19, appear parallel and in the extension of one another from the outside of the weld. This welding is performed by means of different welding points extending along a welding axis, not shown, perpendicular to the sectional view shown in the figures. The two inner walls 18, 19 of the roof and the cockpit side 16, 17, define two first wall portions 22, 23 contiguously superimposed and secured to each other by the aforementioned points of welding, and two second parts. 24, 25 adjacent to the first. It is of course essential to make the weld between the two inner walls 18, 19 of the two sealed parts to prevent any introduction of any liquid or solid element whatsoever between the two parts. For this purpose, the two second portions of internal walls 24, 25 define a space 27 intended to be filled by the sealing material when it is pinched under the effect of welding clamp tips, and which lengthens the path of this material to reach the outside 28, the space in question being curved and having in the example shown in Figure 3, in cross section, a U-shape. To define this U-shaped space, such as the 4 illustrates, the second inner wall portion 24 of the horn 16 includes a boss 31 extending along the aforementioned axis, and the corresponding second inner wall portion of the cockpit side 25 includes a hollow 32. in which engages the boss 31 with play. The boss 31 and the recess 32 are of approximately complementary shape since the recess has dimensions greater than those of the boss of the roof, in order to leave the material viscous under the effect of the sion exerted by the boss during welding, free to flow between the two parts. Specifically, the boss 31 of the horn 16 is formed by three consecutive wall portions 33, 34, 35 as shown in Figure 4, and which define in cross section a general shape of U whose opposite branches are slightly divergent. Similarly, the recess 32 on the passenger compartment side 17 is formed by three consecutive wall portions 37, 38, 39 which also define in cross-section a U-shape whose opposite branches are slightly divergent and parallel to those of the boss 31 of the flag 16 but the central branch 38 of the U of the hollow is longer than that of the U of the boss. In addition, the height of the side branches of the U of the hollow 31 is greater than that of the U of the boss 32. As a result, when the boss 31 is engaged in the recess 32, as can be seen in FIG. of channel 27 in cross section, extending perpendicularly to the welding axis, is defined between the wall portions of the boss 31 and those of the recess 32, in a profile also in the shape of a U whose opposite portions diverge one from the other. compared to each other. The central portion of this channel has a width, defined between the central branches 34 and 38 of the boss and the hollow, greater than those of the lateral portions of the channel, defined between the lateral branches 33, 37 and 35, 39 of the lateral portions of the boss 31 and the hollow 32.

De plus, la portion droite du canal en U, c'est-à-dire celle opposée au point de fixation, est prolongée par une fente 41 débouchant vers l'extérieur 28, qui est définie entre deux portions de paroi horizontales et parallèles 42, 43 des deuxièmes parties de paroi 24, 25. In addition, the right portion of the U-shaped channel, that is to say the one opposite the attachment point, is extended by an outwardly opening slot 41, which is defined between two horizontal and parallel wall portions 42 43 of the second wall portions 24, 25.

Pour permettre à la matière visqueuse d'étanchéité 46 d'être confinée dans le canal 27 et la fente 41 de l'espace formé entre les deuxièmes parties de paroi lors de la formation des points de fixation par soudage des premières parties de paroi 18, 19, cette matière visqueuse est initialement logée dans le creux 32 du côté d'habitacle 17, avant toute fixation. To allow the viscous sealing material 46 to be confined in the channel 27 and the slot 41 of the space formed between the second wall portions during the formation of the attachment points by welding the first wall portions 18, 19, this viscous material is initially housed in the recess 32 of the cockpit side 17, before any fixing.

Dans l'exemple représenté, cette matière visqueuse est une colle 46 de viscosité suffisamment faible pour pouvoir s'écouler dans le canal et la fente de l'espace inter-pièces. Le volume de colle d'étanchéité 46 est en outre étudié pour remplir sous pression l'espace en forme de canal 27 et la fente 41 lorsque le bossage est engagé complètement dans le creux après fixation l'une sur l'autre des deux premières parties de paroi. Autrement dit, le canal formé entre le creux et le bossage des secondes parties de paroi et la fente définissent un volume égal ou supérieur à celui de la matière visqueuse. Ainsi, conformément à la figure 4, lors du rapprochement du pavillon 16 et du côté d'habitacle 17 en vue de leur fixation par soudage des premières parties de paroi 18 et 19 de ces pièces, le bossage 31 du pavillon 16 s'engage dans le creux 32 du côté d'habitacle 17, et exerce une pression sur la colle 46 logée dans le creux 32. In the example shown, this viscous material is an adhesive 46 of viscosity sufficiently low to be able to flow in the channel and the slot of the inter-room space. The volume of sealing glue 46 is furthermore designed to fill under pressure the channel-shaped space 27 and the slot 41 when the boss is fully engaged in the recess after attachment to one another of the first two parts. wall. In other words, the channel formed between the hollow and the boss of the second wall portions and the slot define a volume equal to or greater than that of the viscous material. Thus, in accordance with FIG. 4, when the horn 16 and the cockpit side 17 are brought together for welding by fixing the first wall portions 18 and 19 of these parts, the boss 31 of the horn 16 engages in the hollow 32 of the cockpit side 17, and exerts a pressure on the glue 46 housed in the recess 32.

Plus le rapprochement des deux pièces s'intensifie, plus la colle est confinée sous l'effet de la pression exercée par le bossage dans l'espace en forme de canal qui est défini entre les deux pièces et dirigée vers la fente 41. The closer the two parts come together, the more the glue is confined under the effect of the pressure exerted by the boss in the channel-shaped space which is defined between the two parts and directed towards the slot 41.

Le volume de colle qui a été déplacé par le bossage une fois totalement engagé dans le creux comble l'espace prévu depuis la jointure des deux premières parties de paroi 18, 19 jusqu'à l'extrémité 48 de la fente 41. Ce volume de colle déplacé est ajusté au moyen du volume défini par le bossage. De la sorte, la colle 46 s'arrête à l'extrémité 48 de la fente 41 et ne déborde pas vers l'extérieur, comme c'est le cas entre deux pièces selon un agencement de type connu, tel que représenté par le motif de hachures croisées 51 de la figure 5. Comme visible sur les figures 6 et 7, cet agencement peut également être réalisé entre la peau supérieure et la peau inférieure d'un coffre de véhicule automobile. Dans ce deuxième exemple de réalisation, le bossage 52 présente en section transversale une forme concave et le creux 53 une forme convexe de rayon de courbure plus important que celui du bossage 52, et comprennent des extrémités jointivement superposées adjacentes aux deux premières parties de paroi soudées l'une à l'autre, alors que leurs parties restantes définissent l'espace de confinement de la matière d'étanchéité 27. Dans ce cas également, la matière d'étanchéité est intégralement logée dans le canal et la fente de l'espace 27, et ne déborde pas vers l'extérieur de l'assemblage 28. The volume of glue that has been moved by the boss once fully engaged in the hollow fills the space provided since the joining of the first two wall portions 18, 19 to the end 48 of the slot 41. This volume of moved glue is adjusted by means of the volume defined by the boss. In this way, the glue 46 stops at the end 48 of the slot 41 and does not protrude outwards, as is the case between two pieces according to an arrangement of known type, as represented by the pattern cross hatch 51 of Figure 5. As shown in Figures 6 and 7, this arrangement can also be made between the upper skin and the lower skin of a trunk of a motor vehicle. In this second exemplary embodiment, the boss 52 has a concave shape in cross-section and the hollow 53 has a convex shape with a greater radius of curvature than that of the boss 52, and includes contiguously superposed ends adjacent to the first two welded wall portions. to each other, while their remaining parts define the confinement space of the sealing material 27. In this case also, the sealing material is fully housed in the channel and the slot of the space 27, and does not protrude outwardly of the assembly 28.

Selon d'autres variantes non illustrées, l'agencement selon l'invention peut également être réalisé entre deux autres pièces de tôle d'un véhicule automobile, ou encore entre deux pièces plastiques d'un tel véhicule telles que la peau de becquet et la doublure de becquet. According to other variants not illustrated, the arrangement according to the invention can also be made between two other sheet metal parts of a motor vehicle, or between two plastic parts of such a vehicle such as the spoiler skin and the spoiler liner.

L'invention telle que décrite ci-dessus présente différents avantages parmi lesquels : - de garantir qu'un volume particulier de matière d'étanchéité reste interposé entre les deux pièces durant l'assemblage et après celui-ci, et assurer ainsi une étanchéité satisfaisante entre ces pièces, - de définir entre les deux pièces une surface et une épaisseur d'encollage plus importante et plus homogène que dans les agencements connus, ce qui garantit une meilleure résistance de l'assemblage des deux pièces, - de réaliser l'étanchéité entre les deux pièces sans débordement vers l'extérieur de la matière d'étanchéité, notamment dans des zones du véhicule automobile visibles par un utilisateur, - de ce fait, de pouvoir remplacer les soudures réalisées jusqu'alors par des procédés d'assemblage contraignants ou couteux type soudure Laser qui étaient utilisées, en dépit de leur mise en oeuvre contraignante, car ils évitaient tout débordement de matière d'étanchéité, - de maîtriser la quantité de matière d'étanchéité à utiliser en fonction du profil de l'espace de confinement de cette matière entre les deux pièces, - de maîtriser également la précision de la dépose du cordon de colle dans le creux de la pièce inférieure, - de protéger le cordon d'étanchéité des aléas pouvant survenir durant le transport des pièces, puisque celui-ci est logé au creux de la pièce inférieure. The invention as described above has various advantages among which: - to ensure that a particular volume of sealing material remains interposed between the two parts during assembly and after it, and thus ensure a satisfactory seal between these parts, - to define between the two parts a surface and a sizing thickness greater and more homogeneous than in the known arrangements, which ensures a better strength of the assembly of the two parts, - to achieve sealing between the two parts without overflow of the sealing material, in particular in areas of the motor vehicle visible to a user, - thus, to be able to replace the welds made until now by binding assembly methods or expensive type Laser welding that were used, despite their restrictive implementation, because they avoided any overflow of material sealing, - to control the amount of sealing material to be used depending on the profile of the confinement space of this material between the two parts, - to also control the accuracy of the removal of the adhesive bead in the hollow of the lower part, - to protect the sealing bead of the hazards that may occur during the transport of the parts, since it is housed in the hollow of the lower part.

Claims (4)

REVENDICATIONS1. Agencement de deux pièces, notamment de véhicule automobile, assemblées l'une à l'autre par deux de leurs parois superposées comportant deux premières parties de paroi (18, 19) jointivement superposées solidaires l'une de l'autre par au moins un point de fixation, tel qu'un point de soudure, et deux secondes parties de paroi superposées (24,25) adjacentes aux premières parties de paroi (18, 19) et définissant entre elles un espace (27) comblé par une matière d'étanchéité (46), l'espace étant en partie défini entre un bossage (31) de l'une des deux secondes parties de paroi (24, 25) et un creux (32) de l'autre partie de paroi (24, 25) dans lequel est engagé le bossage (31), le creux (32) contenant, avant fixation l'une sur l'autre des deux premières parties de paroi (18, 19), un volume de matière visqueuse d'étanchéité (46) apte à remplir sous pression l'espace (27) lorsque le bossage (31) est engagé dans le creux (32) après fixation l'une sur l'autre des deux premières parties de paroi (18, 19). REVENDICATIONS1. Arrangement of two parts, in particular of a motor vehicle, assembled to one another by two of their superimposed walls comprising two first wall portions (18, 19) contiguously superposed integral with each other by at least one point fastener, such as a weld spot, and two superimposed second wall portions (24,25) adjacent to the first wall portions (18, 19) and defining therebetween a gap (27) filled with a sealing material (46), the space being partly defined between a boss (31) of one of the two second wall portions (24, 25) and a recess (32) of the other wall portion (24, 25) in which is engaged the boss (31), the hollow (32) containing, before attachment to one another of the first two wall portions (18, 19), a volume of viscous sealing material (46) fit to fill under pressure the space (27) when the boss (31) is engaged in the hollow (32) after fixing one on the other of the two first wall portions (18, 19). 2. Agencement selon la revendication 1, caractérisé en ce que le creux (32) et le bossage (31) sont de formes 25 approximativement complémentaires. 2. Arrangement according to claim 1, characterized in that the recess (32) and the boss (31) are of approximately complementary shapes. 3. Agencement selon la revendication 1 ou 2, caractérisé en ce que l'espace (27) entre les deux secondes parties de paroi (24, 25) définit en section 30 transversale un canal longiligne, s'étendant perpendiculairement à la direction des points de fixation l'une sur l'autre des deux premières parties de paroi (18, 19). 35 3. Arrangement according to claim 1 or 2, characterized in that the space (27) between the two second wall portions (24, 25) defines in cross-section an elongated channel extending perpendicularly to the direction of the points. fastening one to the other of the first two wall portions (18, 19). 35 4. Agencement selon la revendication 3, caractérisé en ce que le canal longiligne présente une forme générale en U. . Agencement selon la revendication 4, caractérisé en ce que l'espace (27) comprend également une fente (41) débouchant extérieurement, et prolongeant l'une des 5 branches latérales du U défini par le canal considéré en section transversale. 6. Agencement selon la revendication 5, caractérisé en ce que le canal formé entre le creux (32) et le bossage (31) des secondes parties de paroi (24, 25) et la fente (41) définit un volume égal ou supérieur à celui de la matière visqueuse (46). 7. Agencement selon l'une des revendications 15 précédentes, caractérisé en ce que la matière visqueuse (46) est une colle. 8. Ensemble de deux pièces de véhicule automobile agencées conformément à l'agencement selon l'une des 20 revendications précédentes. 9. Ensemble de deux pièces selon la revendication 8, caractérisé en ce que les deux pièces sont des pièces de tôles d'un véhicule automobile, telles qu'une peau 25 inférieure et une peau supérieure de coffre, ou un pavillon (16) et un côté d'habitacle (17). 10. Ensemble de deux pièces selon la revendication 8, caractérisé en ce que les deux pièces sont des pièces 30 plastiques d'un véhicule automobile, telles qu'une peau de becquet et une doublure de becquet. 4. Arrangement according to claim 3, characterized in that the elongated channel has a generally U shape. Arrangement according to claim 4, characterized in that the space (27) also comprises a slot (41) opening outwardly, and extending one of the lateral branches of the U defined by the channel in cross section. 6. Arrangement according to claim 5, characterized in that the channel formed between the recess (32) and the boss (31) of the second wall portions (24, 25) and the slot (41) defines a volume equal to or greater than that of the viscous material (46). 7. Arrangement according to one of the preceding claims, characterized in that the viscous material (46) is an adhesive. 8. A set of two motor vehicle parts arranged according to the arrangement according to one of the preceding claims. 9. Two-piece assembly according to claim 8, characterized in that the two parts are pieces of metal sheets of a motor vehicle, such as a lower skin and a top skin of trunk, or a roof (16) and a cockpit side (17). 10. Two-piece assembly according to claim 8, characterized in that the two parts are plastic parts of a motor vehicle, such as a spoiler skin and a spoiler liner.
FR1155256A 2011-06-16 2011-06-16 Arrangement for assembling e.g. lower and upper boot skins, of car, has hollow part containing sealing material for filling space when boss is engaged in hollow part after attachment to wall portion prior to attachment to another portion Withdrawn FR2976544A1 (en)

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WO2017046493A1 (en) * 2015-09-18 2017-03-23 Peugeot Citroen Automobiles Sa Assembly of sheet-metal elements comprising a rabbet

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DE102011100572A1 (en) * 2011-05-05 2011-12-08 Daimler Ag Connecting arrangement for connecting two body components of motor vehicle body of passenger car, has adapter plate, by which body components are connected with each other

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JPH01107974A (en) * 1987-10-21 1989-04-25 Hitachi Ltd Sealing structure in sample room
DE102005010440A1 (en) * 2005-03-08 2006-09-14 Mann + Hummel Gmbh Internal combustion air suction unit housing manufacture involves local point welding of two components then adding adhesive layer between components
EP1782908A1 (en) * 2005-11-05 2007-05-09 Audi Ag Joining by means of adhesive and spot welding in combination
DE102011100572A1 (en) * 2011-05-05 2011-12-08 Daimler Ag Connecting arrangement for connecting two body components of motor vehicle body of passenger car, has adapter plate, by which body components are connected with each other

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Publication number Priority date Publication date Assignee Title
WO2017046493A1 (en) * 2015-09-18 2017-03-23 Peugeot Citroen Automobiles Sa Assembly of sheet-metal elements comprising a rabbet
FR3041318A1 (en) * 2015-09-18 2017-03-24 Peugeot Citroen Automobiles Sa ASSEMBLY OF METAL SHEET ELEMENTS INCLUDING FOLDING
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