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    • 88. 发明公开
    • Apparatus for removing material from a coated moving web and coating apparatus using such apparatus
    • 涂布装置位于具有这种装置的连续移动幅材和涂覆装置用于去除
    • EP0774301A1
    • 1997-05-21
    • EP95116479.7
    • 1995-10-19
    • MINNESOTA MINING AND MANUFACTURING COMPANY
    • Fenoglio, AlfredoGallo, LuigiPrato, Pietro
    • B05C11/02B05C11/10
    • B05C11/1039B05C11/02
    • Apparatus for removing an excess amount of a liquid coating material from portions of a moving web (12) following coating of the moving web (12) with the liquid coating material along a coating path. A vacuum head (34) having a suction slot (52) is defined by upstream and downstream walls and adapted to be movably positioned in an inoperative position away from the coating path and in an operative position contacting at least a portion of the liquid coating material on the moving web (12) along the coating path, the downstream wall positively displacing a portion of the liquid coating material when the vacuum head (34) is positioned in the operative position. A suction means is operatively coupled to the vacuum head (34) for establishing a vacuum manifold within the suction slot (52) and communicating with a disposal system. A liquid supply means is operatively coupled to the vacuum head (34) for supplying liquid to the suction slot (52).
    • 装置,用于从移动的纤维网(12)按照与移动幅材(12)与沿涂布路径的液体涂层材料的涂层的部分的液体涂层材料的过量去除。的真空头(34),其具有一个吸槽( 52)通过上游和下游壁和angepasst定义为在至非工作位置可移动地定位在距涂料路径远离并且在操作位置沿着涂布轨迹的移动幅材(12)上至少接触液体涂层材料的一部分 ,下游壁正位移液体涂层材料的一部分当真空头(34)在操作位置被定位。 吸引机构可操作地联接到所述真空头(34),用于建立吸槽(52)内的真空歧管和与处理系统进行通信。一种液体供给装置被可操作地耦合到所述真空头(34),用于将液体供应至 所述吸槽(52)。
    • 89. 发明公开
    • STRIP COATING MACHINE WITH THICKNESS CONTROL.
    • STREIFEN-ANSTRICHMASCHINE MIT KONTROLLE DER ANSTRICHDICKE。
    • EP0681510A4
    • 1997-02-05
    • EP94907937
    • 1994-02-01
    • HUNTER ENG CO
    • BRAUN CURT
    • B05D1/28B05C1/08B05C1/12B05C9/04B05C11/00B05C11/02B05C13/00B05D3/00
    • B05C1/0873B05C1/083B05C1/0895B05C1/12B05C9/04B05C11/02
    • A continuous strip coating machine has top (18) and bottom (13) applicator rolls and a backup roll (12) adjacent the top applicator roll (18). A lift roll (38) to lift the strip (10) and thus vary the angle of wrap of strip (10) about the bottom applicator roll (13) is provided. The use of lift roll (38) in turn varies the pressure between strip (10) and roll (13) and thus the thickness of the coating applied to the strip bottom. Thickness may be measured indirectly by measuring the pressure of the strip (10) on the roll (13). Thickness may also be measured directly. Oscillations of the strip (10) in a drying oven (14) may also be sensed and compensated for. Feedback control is used with thickness measuring techniques to control coating thickness by varying angle of wrap, relative speed between the roll (13) and strip (10), and/or nip pressure between roll (13) and transfer roll (28) that transfers coating material to the roll (13).
    • 连续条带涂布机具有顶部和底部施用辊和邻近顶部涂布辊的支承辊。 提供用于提升材料条并因此改变条带围绕底部施加器辊的包裹角度的提升辊。 提升辊的使用又改变了带材和辊之间的压力,从而改变了施加到带材底部的涂层的厚度。 可以通过测量涂布辊上的条带的压力来间接地测量厚度。 厚度也可以直接测量。 烘箱中条带的振荡也可以被感测和补偿。 反馈控制与厚度测量技术一起使用,以通过改变卷绕角度,涂布辊和条带之间的相对速度和/或涂布辊与将涂料转移到涂布辊之间的转印辊之间的辊隙压力来控制涂层厚度 。