天眼查App显示,2025-12-30,“一种开口销冲击折弯锤”正式进入专利的公布阶段。申请人为一汽丰田汽车(成都)有限公司,该项机械加工专利涉及开口销尾端折弯工具的设计制造技术领域,采用套筒与冲击杆组合结构,通过六角形内孔与螺帽尺寸匹配实现一次性精准折弯。据专利信息显示,该设计显著优化了传统工艺中因多次折弯导致的材料压扁、裂纹及疲劳问题,提升达突破性进展。发明人为郑德金;王国庆;胡勇;蒋林建;...
Source Link天眼查App显示,2025-12-30,“一种开口销冲击折弯锤”正式进入专利的公布阶段。申请人为一汽丰田汽车(成都)有限公司,该项机械加工专利涉及开口销尾端折弯工具的设计制造技术领域,采用套筒与冲击杆组合结构,通过六角形内孔与螺帽尺寸匹配实现一次性精准折弯。据专利信息显示,该设计显著优化了传统工艺中因多次折弯导致的材料压扁、裂纹及疲劳问题,提升达突破性进展。发明人为郑德金;王国庆;胡勇;蒋林建;...
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