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    • 5. 发明申请
    • METHOD AND DEVICE FOR MAINTAINING A CONCENTRATION OF A TREATMENT BATH
    • 用于维持治疗浴浓度的方法和装置
    • WO2011045382A1
    • 2011-04-21
    • PCT/EP2010/065438
    • 2010-10-14
    • NOVARTIS AGBIEL, RogerLORENZ, Katrin, Sylke
    • BIEL, RogerLORENZ, Katrin, Sylke
    • B29D11/00G02B1/04G02C7/04
    • B29D11/00125
    • There is described a method for maintaining the concentration of a treatment liquid bath in the production process for contact lenses which comprises the process steps of rinsing each lens in a water bath immediately prior to immersing the lens in a liquid bath for extraction and/or rinsing and/or coating thereof. Immediately following the rinsing in the water bath each contact lens is immersed in an arrangement of two or more successive treatment liquid baths of the same kind. The treatment liquids in the successive baths are continuously renewed and are transported from one bath to the preceding bath in a direction opposite to a transport direction of the contact lenses from bath to bath. A metered volume of treatment liquid is continuously introduced into the last bath of the arrangement of treatment liquid baths in dependency of a measured concentration, and a specified volume of treatment liquid is continuously removed from the first bath.
    • 描述了一种用于在隐形眼镜制造过程中维持治疗液浴浓度的方法,该方法包括以下步骤:在将晶状体浸入用于萃取和/或漂洗的液浴之前立即在水浴中冲洗每个晶状体 和/或其涂层。 在水浴中冲洗后,将每个隐形眼镜立即浸入相同种类的两个或多个连续处理液浴的排列中。 连续浴中的处理液体被连续地更新,并且从一个浴槽到与之前的浴槽相反的方向从隐形眼镜的运输方向从浴槽转移到浴液。 根据测量浓度,将计量体积的处理液体连续地引入处理液槽布置的最后一个浴中,并且从第一个浴中连续地移除指定体积的处理液体。