中密控股(300470.SZ)：全資子公司近日取得四項實用新型專利證書
格隆匯4月30日丨中密控股(300470.SZ)公佈，公司全資子公司優泰科(蘇州)密封技術有限公司(“優泰科”)於近日收到中華人民共和國國家知識產權局頒發的四項實用新型專利證書，獲得形式為原始取得，所涉及技術與優泰科主要技術相關。
實用新型專利《一種單作用活塞密封件》涉及一種單作用活塞密封件，包括彈性體、O型圈和擋圈。擋圈採用高強度耐磨耐壓材料製成，可減小擠出間隙，保證了密封件的使用壽命以及密封性能；O型圈嵌入在脣口內，提供了預緊力，使密封件在高壓和低壓狀態都能保持更好的密封性。此專利涉及的密封件整體穩定性、耐磨性及密封性能較好。該技術目前已經應用於優泰科的部分產品上。
實用新型專利《一種V形組合活塞桿密封件》主要涉及一種V形組合活塞桿密封件，包括壓環、V形片組件和支撐環。通過壓環、V形片組件和支撐環三者作用實現對活塞桿的密封，結構簡單，密封性能穩定可靠；通過增加或者減少V形片數量，可用於不同規格的密封件，適用範圍較廣。該技術目前已經應用於優泰科的部分產品上。
實用新型專利《低壓V形組合活塞密封件》涉及一種低壓V形組合活塞密封件，包括壓環、V形片和支撐環。此專利涉及的密封件端面厚而結實，尺寸精確，密封圈安放穩定，材質有良好的回彈性和耐磨性，密封性能可靠。該技術目前已經應用於優泰科的部分產品上。
實用新型專利《一種高耐磨雙作用活塞密封件》涉及一種高耐磨雙作用活塞密封件，包括密封件主體、擋圈和彈性體。此專利通過減小雙擋圈擠出間隙，提高密封件抗壓性能；彈性體設置在密封主體下方，可持續性補償壓縮量，延長了密封件主密封材料的使用壽命、保證了密封性能。該技術目前已經應用於優泰科的部分產品上。
上述專利的取得不會對公司目前經營產生重大影響，但有利於鞏固和保持公司技術優勢，提升公司的核心競爭力。
實用新型專利《雙通道旋轉水關節裝置》因專利期限屆滿失效；四川大學作為專利第一發明人，與公司聯合研製並申請取得的實用新型專利 《一種焊接金屬波紋管失彈試驗裝置》因未繳納年費終止失效。上述實用新型專利的失效不會對公司目前經營產生不利影響。
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