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    • 8. 发明申请
    • ONE-WAY VALVE FOR DELIVERING A FREE-FLOWING MATERIAL
    • 一次性阀用于释放流动材料的
    • WO03089325A2
    • 2003-10-30
    • PCT/DE0301108
    • 2003-04-04
    • GAPLAST GMBHJANSSEN FRANKKNEER ROLAND
    • JANSSEN FRANKKNEER ROLAND
    • B65D1/00B65D47/20B65D81/24
    • B65D47/2081B65D81/24
    • The invention relates to a one-way valve for repeatedly delivering a free-flowing material, in a manner the prevents the material from being recontaminated, out of a container whose volume can preferably be reduced. Said one-way valve has a valve seat. This valve seat is made of a rigid plastic, is placed in the container neck, contains a base body, which rests against the inner wall of the container neck and has at least one through hole, and contains a projection extending in the axial direction of the container neck toward the discharge opening. An elastic seal is placed over the valve seat and has an annular section, which covers the at least one through hole, and a sleeve-like section, which surrounds the projection at a radial distance with the exception of its end section that, when the valve is closed in the discharge opening, rests against the end section of the projection. A sterilizing element made of silver or of another oligodynamically effective metal can be placed in the space between the projection of the valve seat and the elastic seal. The exertion of pressure onto the container contents results in the annular section of the seal freeing the at least one through hole of the valve seat, whereby the end section of the sleeve-like part of the seal exits from the discharge opening while freeing the same. Afterwards, the seal returns into the initial state. The container contents are reliably sealed from entering contaminants.
    • 单向阀为rekontaminationsgeschützten多分配从含有由被设置在容器颈部和一基体上的硬质塑料的阀座,其抵靠容器颈部的内壁的基团的优选volumenreduzierbaren容器中的可流动的材料,并包括至少一个通孔,和突出部 这在容器颈部到出口端口的轴向方向上延伸。 上述阀座,一弹性密封件布置,其具有覆盖其在端部围绕所述突起与用其端部的异常的径向间距,阀在闭合状态下的出口开口的至少一个通孔,并且套筒形部分的环形部分 投影熊。 在阀座的突起和所述弹性密封件之间的中间空间中,灭菌元件由银或另一微量药效活性金属可以布置。 的压力,其结果,容器内容物的应用程序,其释放的至少一个通过所述阀座与所述密封件的套筒形部分的端部的孔中的密封件的环部出来的出口开口和释放的。 此后,密封返回到其原始状态。 容器内容被可靠地密封对着进入的污染物。