METHOD FOR MANUFACTURING AN OBJECT BY INJECTION MOLDING
Patent Information
- Application Number
- DE602021051877
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2020-12-02
- Filing Date
- 2021-12-02
- Publication Date
- 2026-04-08
- Estimated Expiration
- 2041-12-02
AI Technical Summary
Existing injection molding processes struggle to produce lightweight parts with rigidity and strength comparable to metal-based vehicle components, particularly for vehicular trim applications, while maintaining mechanical property characteristics.
A process involving injection molding with a polymer composition reinforced by fibers and a foaming agent, combined with controlled mold cavity expansion using movable inserts, to create parts with varying density reductions and cellular structures, enhancing rigidity and load-bearing capabilities.
The process produces parts with targeted density reductions, achieving flexural modulus and heat distortion temperatures comparable to metals, suitable for vehicle structural components, while reducing weight.