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证券之星 on MSN
10d
精锻科技获得发明专利授权:“一种便于装卸结合齿轮锥面车加工的夹具”
证券之星消息,根据企查查数据显示精锻科技(300258)新获得一项发明专利授权,专利名为“一种便于装卸结合齿轮锥面车加工的夹具”,专利申请号为CN201811312132.2,授权日为2024年5月3日。
搜狐
29d
石化装置阀门的密封——内密封与外密封
为了确保阀门的正常运行和安全性,内密封的设计和形式变得至关重要。内密封主要包括平面、锥面和球面密封三种。在这些形式中,锥面密封由于与有关元件的接触面积相对比较小,使得密封 ...
搜狐
29d
万达轴承取得凹锥面滚子回转轴承专利,能同时承受较大的径向力和轴向力
金融界2024年4月15日消息,据国家知识产权局公告,江苏万达特种轴承股份有限公司取得一项名为“一种凹锥面滚子回转轴承“,授权公告号CN111457005B,申请日期为2020年5月。 专利摘要显示 ...
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