宁波拓普汽车电子取得前副车架模具保温冒口结构专利，解决金属冒口补缩效果不佳易产生缩松缩孔缺陷问题

Core Insights - Ningbo Top Automotive Electronics Co., Ltd. has obtained a patent for a "Thermal Insulation Sprue Structure for Front Subframe Molds," with the authorization announcement number CN223588282U and an application date of December 2024 [1] Company Overview - Ningbo Top Automotive Electronics Co., Ltd. was established in 2016 and is located in Ningbo City, primarily engaged in the automotive manufacturing industry [1] - The company has a registered capital of 250 million RMB [1] - According to data from Tianyancha, the company has participated in 15 bidding projects and holds 142 patent records, in addition to 17 administrative licenses [1] Patent Details - The patent describes a thermal insulation sprue structure that includes a sprue body with an interface for connection to a casting, an installation hole containing a ceramic insulation sleeve, and a sprue cover with a liquid passage hole [1] - This innovation addresses issues with existing metal sprues that lose heat quickly due to high thermal conductivity, leading to poor shrinkage compensation and defects such as shrinkage cavities and porosity [1]