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    • 33. 发明授权
    • Process for environmentally safe cleaning using water-soluble polymer
based packages
    • 使用基于水溶性聚合物的包装进行环境安全清洁的方法
    • US5935366A
    • 1999-08-10
    • US694145
    • 1996-08-08
    • James P. Wood
    • James P. Wood
    • B08B9/02B08B15/02B32B25/00
    • B08B9/027B08B15/026Y10T156/1054
    • A process for preparing two connected powder transfer conduits for cleaning without releasing powder from the conduits. The conduits are connected to each other by flexible tube of a water-dissolvable material to enable powder communication between the two conduits. A sealing operation is performed to form a seal in the tube sufficient to prevent the powder communication from one side of the seal to the other. The seal is then severed to produce two tube sections where each tube section is sealed at the point of severance. A cleaning conduit is then place over at least one of the two tube sections and connected to the respective conduit. The cleaning conduit is connected to a liquid cleaning source which is adapted to deliver a cleaning liquid capable of dissolving the tube section thereunder upon contact therewith.
    • 一种用于制备两个连接的粉末输送管道用于清洁而不从管道释放粉末的方法。 导管通过可水溶性材料的柔性管彼此连接,以使两个管道之间的粉末连通。 执行密封操作以在管中形成足够的密封,以防止粉末从密封件的一侧到另一侧的连通。 然后将密封件切断以产生两个管段,其中每个管段在分离点处被密封。 然后将清洁导管放置在两个管部分中的至少一个上并连接到相应的导管。 清洁管道连接到液体清洁源,该液体清洁源适于在与其接触时输送能够溶解其中的管部分的清洁液体。