中密控股(300470.SZ)取得一項發明專利證書及三項實用新型專利證書
格隆匯 6 月 22日丨中密控股(300470.SZ)公佈，公司於近日收到中華人民共和國國家知識產權局頒發的一項發明專利證書、三項實用新型專利證書，獲得形式為原始取得，所涉及技術與公司主要技術相關。
1、發明專利《一種密封圈》涉及一種密封圈，密封圈本體包括直線段密封圈、過渡段密封圈和圓弧段密封圈，直線段密封圈採用V型彈簧，圓弧段密封圈採用H型螺旋彈簧，過渡段密封圈採用漸變式彈簧。現有技術中的密封圈一般利用彈性體本體如橡膠進行密封，然而在零下200℃的超低温環境中，橡膠完全失去彈性密封圈本身的彈性提供密封力。本發明專利通過採用上述技術方案，使密封圈在超低温環境下，其不同部位能夠得到相應的彈力，解決了由於低温環境密封圈整體收縮而產生向心擠壓力損壞密封圈的問題。該技術目前已應用於公司研發項目上，但尚未用於正式產品。
2、實用新型專利《一種旋轉機械軸端密封安裝工具》涉及軸端密封件安裝技術領域，特別涉及一種旋轉機械軸端密封安裝工具。本實用新型專利設計了一種方便、快捷、可靠的大尺寸幹氣密封現場安裝工具組件，有利於提升密封現場安裝質量，降低了對操作人員的要求，提高了密封安裝效率。該技術目前已經應用於公司部分產品上。
3、實用新型專利《一種發動機用組合密封結構》涉及機械密封技術領域，尤其是涉及一種發動機用組合密封結構。本實用新型專利提供了一種發動機用組合密封結構，具有能完全地把燃氣與助燃劑進行隔離，進而阻止兩側密封泄漏的燃氣和液態助燃劑混合發生危險的優點。該技術目前已經應用於公司部分產品上。
4、實用新型專利《一種用於渦輪泵的非接觸式隔離密封結構》涉及機械密封領域，尤其是涉及一種用於渦輪泵的非接觸式隔離密封結構。本實用新型專利提供了一種降低氣體泄漏量的密封結構，具有有效隔離燃料與助燃劑，使得兩者不相接觸且降低密封面磨損的優點。該技術目前已經應用於公司部分產品上。
此外，因實用新型專利《一種密封圈》已獲得發明專利授權，按《中華人民共和國專利法》相關規定，公司書面聲明放棄原實用新型專利。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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