Vehicle Applique Margin Seal With Integrated Holding Structure
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Solution Overview
Problem
Existing applique arrangements for vehicle surfaces, particularly in pillar regions, face challenges in providing a secure and aesthetically pleasing sealing solution that can withstand various environmental conditions and coatings.
Innovation Solution
The applique arrangement incorporates a margin seal with holding portions that align with receiving portions on the applique's inner portion, allowing for a secure join without additional joining steps like thermoplastic welding or gluing, and enabling coatings such as metallic finishes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a margin seal is adhered to an applique edge using thermoplastic welding or gluing, then a sealing arrangement is achieved, but additional joining steps are required and coating options are limited
Solution Approach 1:
The margin seal and applique are merged into a single integrated component through co-molding, eliminating the need for separate joining steps like thermoplastic welding or gluing. The sealing arrangement is formed directly during the molding process, reducing device complexity while maintaining sealing reliability.
Solution Approach 2:
The integrated margin seal-applique component serves multiple functions simultaneously: it provides sealing, structural support, and coating substrate in a single element. This multi-functionality eliminates the need for separate joining processes and enables broader coating options including metallic finishes.
2Reliability
If traditional sealing arrangements are used between doors, then sealing is achieved, but the aesthetic appearance and integration with appliques is compromised
Solution Approach 1:
The sealing function and the applique aesthetic component are merged into a single integrated part. The margin seal is co-molded with the applique, creating a seamless appearance that maintains both sealing reliability and aesthetic appearance without visible joints or separate components.
Solution Approach 2:
The integrated component allows different regions to have different properties: the margin seal portion provides sealing functionality while the applique portion provides aesthetic appearance. The transition between these regions is seamless, achieving both functional and aesthetic requirements simultaneously.
3Ease of manufacture
If multiple separate components are used for applique and margin seal, then manufacturing flexibility is maintained, but production time and assembly complexity increase
Solution Approach 1:
The applique and margin seal are combined into a single co-molded component, eliminating the need for separate assembly steps. This integration significantly increases production speed and reduces assembly complexity while maintaining manufacturing flexibility through modular design options.
Solution Approach 2:
The margin seal is pre-formed as an integral part of the applique during the molding process itself, rather than being added as a separate component later. This preliminary action eliminates subsequent assembly steps and increases overall productivity.
Data Source
Figure 1~3
Figure 4~6
AI summary
An applique arrangement (30) for a vehicle surface, particularly for an outer vehicle surface in a pillar region (24) of the vehicle (10), comprising: an applique (32) having a panel portion (50) that extends essentially along a first direction (L) and a second direction (V) transverse to the first direction (L), and having a first inner portion (52), a margin seal (70) which extends along an edge (36) of the applique (32) in the second direction, wherein the panel portion (50) has a panel outer surface (51) for forming a part of the vehicle surface, wherein the first inner portion (52) extends essentially in parallel to the margin seal (70) and projects from the panel portion (50) essentially in a third direction (T) which is transverse to the first direction (L) and to the second direction (V), wherein the margin seal (70) has a plurality of holding portions (76) which are aligned along the direction of extension of the margin seal (70), and which are arranged at a distance from each other, and wherein the first inner portion (52) of the applique (32) has a plurality of receiving portions (66) for receiving respective ones of the holding portions (76) of the margin seal (70). (Fig. 2)