青龍管業(002457.SZ):子公司獲得1項實用新型專利證書
格隆匯1月25日丨青龍管業(002457.SZ)公佈,近日,公司的控股子公司三河京龍新型管道有限責任公司收到國家知識產權局頒發的一項實用新型專利證書。專利名稱:一種檢查井管成型模具;專利號:ZL 2020 2 0959002.4;有效期:十年(自專利申請日起算)。
該實用新型涉及一種檢查井管成型模具,涉及檢查井生產的技術領域,包括呈圓柱狀且內部中空設置的模具,所述模具包括半圓形的上模板和下模板,所述上模板和下模板扣合形成模具,所述模具內腔沿其長度方向間隔固設有多道分割環,所述分割環的外壁貼合在模具的內壁上且兩者中心軸線同軸設置。該實用新型具有能夠一次性生產多節檢查井管並且管道規格長度可調、生產效率高的優點。
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