东风汽车申请车身空腔密封专利,增强车身密封性能

金融界
05 Apr

金融界2025年4月5日消息,国家知识产权局信息显示,东风汽车集团股份有限公司申请一项名为“一种车身空腔密封用膨胀片及具有膨胀片的车身空腔结构”的专利,公开号 CN 119755327 A,申请日期为 2024 年 11 月 。专利摘要显示,本发明公开了一种车身空腔密封用膨胀片及具有膨胀片的车身空腔结构,它包括膨胀密封块和用于将膨胀密封块固定于车身钣金上的固定件;膨胀密封块包括由单层膨胀密封条组成...

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