上海石化机械制造有限公司等用于高压容器的双斜面楔形垫片及密封结构专利完成登记(一般热交换专利快讯)

DoNews
Oct 11

天眼查App显示,2025-10-10,“用于高压容器的双斜面楔形垫片及密封结构”正式进入专利的公布阶段。申请人为上海石化机械制造有限公司,中石化宁波工程有限公司,中石化宁波技术研究院有限公司,中石化炼化工程(集团)股份有限公司,该项一般热交换专利涉及高压容器密封结构的技术应用场景。据专利信息显示,通过在管箱端部和平盖之间加设双斜面楔形垫片,利用螺柱与螺母施加预紧载荷,实现自紧式密封,显著优化密封...

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