Vehicle and manufacturing method therefor

By covering the surface of the fiber thermoplastic composite with a fiber-free thermoplastic coating and combining it with a reinforcing structure, the problem of exposed fibers on the surface of the vehicle frame was solved, resulting in a smoother, more aesthetically pleasing appearance and a more stable internal structure.

WO2026129751A1PCT designated stage Publication Date: 2026-06-25CONTEMPORARY AMPEREX TECHNOLOGY CO LTD +1
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Filing Date
2025-09-08
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

In the existing technology, it is difficult to guarantee the surface aesthetics of the car body frame made of non-metallic composite materials, especially the problem of exposed fibers on the surface of fiber thermoplastic composite parts, which affects the smoothness and aesthetics.

Method used

A fiber-free thermoplastic coating is used to cover the surface of the fiber thermoplastic composite, and an internal reinforcing structure is set to improve the overall rigidity and strength. The composite is connected by hot melt welding. The thermoplastic coating covers the exposed fiber parts, forming a smooth and beautiful appearance.

Benefits of technology

It improves the surface smoothness and aesthetics of the vehicle frame, meets paint coating requirements, enhances the user experience, and improves the flatness and safety of the interior space.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN2025119829_25062026_PF_FP_ABST
    Figure CN2025119829_25062026_PF_FP_ABST
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Abstract

A vehicle, comprising a vehicle body frame (10); the vehicle body frame comprises a fiber thermoplastic composite member (11), a reinforcing structure (12) and a thermoplastic cover layer (13); the fiber thermoplastic composite member (11) has a first side and a second side arranged opposite to each other, the first side facing the inner side of the vehicle, and the second side facing the outer side of the vehicle; the fiber thermoplastic composite member (11) is provided with a first cavity (11a); the reinforcing structure (12) is at least partially arranged in the first cavity and is used for improving the strength of the fiber thermoplastic composite member; the thermoplastic cover layer (13) at least covers at least part of the surface of the second side of the fiber thermoplastic composite member, and the thermoplastic cover layer is fiber-free. A vehicle manufacturing method is also disclosed.
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