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    • 12. 发明授权
    • Process of curtain for producing an information recording material
    • 用于生产信息记录材料的帘幕过程
    • US06746718B2
    • 2004-06-08
    • US10265911
    • 2002-10-08
    • Yasuro Yokota
    • Yasuro Yokota
    • B05D130
    • B41M5/502B41M5/30B41M5/506G03C1/74G03C2001/7433
    • An information recording material having an information recording layer formed on a substrate formed by applying by curtain-coating a coating film comprising two coating solution films of which the viscosity increases when the two coating solution films are brought into contact, or mixed, with each other. An intermediate coating solution film for isolating the two coating solution films one from the other and is provided between the two coating solution films. Alternatively, a curtain-coating composition film having at least one set of adjacent two layers of which the viscosity increases with the passage of time when the two layers are brought into contact, or mixed, with each other. Information recording materials having particularly excellent quality of applied layers and excellent in various properties with good productivity.
    • 一种信息记录材料,其具有形成在基板上形成的信息记录层,所述信息记录层通过幕涂所述涂布而形成,所述涂布膜包括两个涂布溶液膜,当两个涂布溶液膜接触时粘度增加或彼此混合 。 一种用于将两个涂布溶液膜彼此隔离并设置在两个涂布溶液膜之间的中间涂布溶液膜。 或者,具有至少一组相邻两层的帘式涂料组合物膜,当两层相互接触或混合时粘度随着时间的推移而增加。 信息记录材料具有特别优异的施加层质量,并且具有优异的各种性能并且具有良好的生产率。
    • 13. 发明授权
    • Method and apparatus for controllable electrical charging of a web support
    • 用于网络支撑的可控充电的方法和装置
    • US06399157B1
    • 2002-06-04
    • US09562703
    • 2000-04-28
    • Mark C. Zaretsky
    • Mark C. Zaretsky
    • B05D314
    • G03C1/74B05C5/007B05D3/14B05D2252/02G03C2001/7411G03C2001/7433G03C2001/7459Y10S118/04
    • Apparatus and method for depositing controlled short intervals of electrostatic charge on a moving web substrate to be coated, including a mathematical model that estimates the charging performance of the apparatus. The model is constructed via benchtop characterization of the apparatus. The model is implemented in coating production via an algorithm comprising a best-fit equation representing the model predictions over a range of relevant input parameter values such as web speed, web capacitance, and desired web voltage. The apparatus includes an electrical charging apparatus, a power supply for powering the charging apparatus, and a controller programmed with the algorithm for automatically setting and controlling the intensity and duration of the output of the power supply to yield the optimal electrostatic potential on the charging apparatus. In operation, run-specific variables including web type and coating speed are also provided as inputs to the controller. The invention is useful in minimizing coating disturbances at starts and between-roll splices.
    • 用于在被涂覆的移动网状基材上沉积控制短的静电电荷间隔的装置和方法,包括估计装置的充电性能的数学模型。 该模型通过该装置的台式表征构建。 该模型通过包括最佳拟合方程的算法来实现,该算法表示在相关输入参数值的范围(例如幅材速度,幅面电容和期望的网络电压)上的模型预测。 该装置包括充电装置,用于为充电装置供电的电源以及用该算法编程的控制器,用于自动设置和控制电源的输出的强度和持续时间以产生充电装置上的最佳静电电位 。 在运行中,运行特定的变量,包括纸张类型和涂布速度也作为输入提供给控制器。 本发明可用于最小化开始和辊间接合处的涂层干扰。
    • 16. 发明授权
    • Coating apparatus
    • 涂装设备
    • US4559896A
    • 1985-12-24
    • US648198
    • 1984-09-07
    • Alfred E. BossardKaspar Kuster
    • Alfred E. BossardKaspar Kuster
    • B05C5/00G03C1/74G03F7/16H05K3/00B05B1/04
    • G03F7/16B05C5/004B05C5/005G03C1/74H05K3/0091G03C2001/7433G03C2001/747H05K2203/1509H05K2203/159Y10S118/04
    • A pouring head is arranged above a conveyer belt which carries objects to be coated with a coating material being poured from the pouring head in the form of a curtain extending transversely to the direction of travel of the belt. In order to limit the free falling curtain on both sides two rim severing organs are provided on each side of the curtain, one organ above the other, as well as curtain edge-guiding means, one for each severing organ, which are arranged each adjacent the severing organ to which it pertains. The lower severing organs are arranged a short distance above the conveyer belt.The two severing organs comprise blades for cutting off marginal strips from the falling curtain in two successive stages, thus reducing the width of the curtain to a desired size. The lower severing organ serves mainly to cut off the rim bead being conventionally produced on the curtain where it slides downward on the curtain guiding means, thus preventing the occurrence of undesirably thick marginal zones in the coatings produced on the objects being moved underneath the pouring head by the conveyer belt.
    • 倾倒头部布置在输送带上方,该输送带携带要涂覆的物体,该涂层材料以倾斜头倾斜的方式倾倒,该幕帘横向于带的行进方向延伸。 为了限制两侧的自由下落帘,帘幕两侧设有两个边缘切断器具,一个位于另一侧的器官以及每个切断器具一个的每个切割器具的边缘引导装置 它所属的切断器官。 下切割器官布置在输送带上方一段距离较远的地方。 两个切割器具包括用于在两个连续阶段中从落下的帘子上切下边缘条带的刀片,从而将帘幕的宽度减小到期望的尺寸。 下切割器主要用于切割通常在幕帘上产生的边缘珠,其在窗帘引导装置上向下滑动,从而防止在倾倒头下面移动的物体上产生的涂层中出现不期望的厚边缘区域 通过输送带。
    • 17. 发明授权
    • Coating apparatus provided with a protective shield
    • 涂装设备设有防护罩
    • US4287240A
    • 1981-09-01
    • US139506
    • 1980-04-11
    • Thomas R. O'Connor
    • Thomas R. O'Connor
    • B03C5/02B05C5/00B05C5/02B05C9/06B05C15/00B05D1/30B05D1/34G03C1/74B05C3/02B05C11/00
    • B05C5/008B05C5/007G03C1/74B05C9/06G03C2001/7411G03C2001/7433G03C2001/7485Y10S430/136
    • Coating apparatus for carrying out a process of coating in which one or more layers of coating composition are applied to the surface of an object, such as a continuous web or discrete sections of sheet material, by advancing the object through a coating zone in which a flow of coating composition is applied thereto, for example, bead coating or curtain coating apparatus, is provided with a shield to protect the flow of coating composition against disturbance by ambient air currents. The shield is formed of a foraminous material, such as screening or perforated plate material, which functions to diffuse air currents impinging thereon so that their velocity is decreased, with a resulting decrease in their ability to disturb the flow of coating composition. Particular advantage is achieved in using the shield in processes for coating photographic materials, especially in high speed curtain coating operations involving a substantial height of free fall, and in bead coating operations employing a slide hopper where ambient air currents give rise to a problem of differential evaporation of coating composition on the slide surface.
    • 涂覆装置,用于进行涂覆过程,其中将一层或多层涂料组合物施加到物体的表面,例如连续卷材或片材的不连续部分,通过使物体前进通过涂覆区域,其中 施加涂料组合物的流动,例如珠涂或帘式涂布装置,设置有屏蔽件,以保护涂层组合物的流动免受环境空气流的干扰。 屏蔽件由多孔材料形成,例如筛孔或多孔板材料,其功能是扩散入射到其上的气流,从而降低其速度,导致其影响涂料组合物流动的能力降低。 特别是在用于涂布照相材料的方法中使用屏蔽物时,特别是在涉及大量自由下落的高速幕涂操作中,以及在使用滑动料斗的珠涂层操作中,环境气流引起差动问题 涂料组合物在载玻片表面上蒸发。
    • 18. 发明授权
    • Curtain coating apparatus
    • 幕布涂装设备
    • US4135477A
    • 1979-01-23
    • US772335
    • 1977-02-25
    • Kenneth A. Ridley
    • Kenneth A. Ridley
    • B05C5/00B05C9/06G03C1/74B05D1/30G03C3/00
    • B05C5/008G03C1/74B05C9/06G03C2001/7433G03C2001/747G03C2001/7474Y10S118/04
    • An apparatus for curtain coating is provided wherein a falling curtain of coating liquid is formed by causing coating liquid to flow as a layer down an inclined surface of a slide hopper, the inclined surface terminating in a lip and the coating liquid beginning its fall after flowing over the lip on to a travelling web positioned beneath the slide hopper and being coated thereon as a layer. The slide hopper is provided with two vertical edge guiding plates extending parallel to the direction of web motion and being of such width to allow the curtain edge to follow its natural inflected path. Preferably the edge guiding plates are composed of an easily wettable material, particularly polymethymethacrylate.
    • 提供了一种帘式涂布装置,其中通过使涂布液以滑动料斗的倾斜表面向下流动形成涂布液的下落帘幕,倾斜表面终止于唇部,并且涂布液在流动后开始下降 在唇缘上方到位于滑动料斗下方并且作为层被涂覆的行进网。 滑动料斗设置有两个垂直的边缘引导板,平行于腹板运动方向延伸并且具有这样的宽度,以允许帘边缘遵循其自然弯曲的路径。 优选地,边缘引导板由容易润湿的材料,特别是聚甲基丙烯酸甲酯组成。
    • 20. 发明授权
    • Method and apparatus for curtain coating
    • 遮光涂料的方法和装置
    • US3632403A
    • 1972-01-04
    • US3632403D
    • 1969-12-08
    • EASTMAN KODAK CO
    • GREILLER JACK F
    • B05C5/00B05D1/30G03C1/74B05B13/02B05B13/00
    • G03C1/74B05C5/008B05D1/305G03C2001/7433G03C2001/747Y10S118/04Y10S430/136
    • In a method of coating a support with a liquid coating composition in which the coating composition is applied by impingement of a free-falling curtain of coating composition onto the surface of the moving support, formation of edge beads along the edges of the coating which are of greater thickness than the remainder of the coating is effectively avoided by use of laterally adjustable edge guides which are initially positioned so as to establish a stable free-falling curtain and then moved laterally to a position in which they are slightly further apart, whereby the coating assumes a uniform thickness. The method of this invention is useful in both single-layer and multiple-layer curtain coating and are especially advantageous in the manufacture of photographic film and photographic paper in view of the need for precisely uniform thickness over the entire coated area.
    • 在用液体涂料组合物涂覆载体的方法中,其中通过将涂层组合物的自由落下的帘子撞击到移动载体的表面上而施加涂料组合物,沿着涂层的边缘形成边缘珠粒, 通过使用侧向可调节的边缘引导件有效地避免了比其余涂层更大的厚度,该边缘引导件最初被定位成建立稳定的自由下落的窗帘,然后横向移动到它们稍微分开的位置,由此 涂层呈均匀的厚度。 鉴于在整个涂覆区域上需要精确均匀的厚度,本发明的方法在单层和多层帘式涂层中都是有用的,并且在照相胶片和照相纸的制造中特别有利。