-
公开(公告)号：US6152069A
公开(公告)日：2000-11-28
申请号：US56079
申请日：1998-04-06
申请人： Alfred C. Li , James R. Burns , Gerald R. Garde , Rex A. Becker
发明人： Alfred C. Li , James R. Burns , Gerald R. Garde , Rex A. Becker
摘要： A coater head for contacting a liquid coating material with a traveling web of paper or fabric. The coater head includes at least two chambers and an extended outflow bubble to increase the zone of contact between coating liquid and the traveling web. Improved, coating quality also results from controlled flow characteristics through the coater head having a feed zone length-to-depth ratio of four or more.
摘要翻译： 用于使液体涂料与纸或织物的行进网接触的涂布机头。 涂布机头包括至少两个腔室和一个延伸的流出气泡，以增加涂布液体和行进腹板之间的接触区域。 改进的涂层质量也是通过具有4或更多进料区长度与深度比的涂布机头部的受控流动特性产生的。
-
公开(公告)号：US5720816A
公开(公告)日：1998-02-24
申请号：US611337
申请日：1996-03-08
申请人： Alfred C. Li , Rex A. Becker , James R. Burns
发明人： Alfred C. Li , Rex A. Becker , James R. Burns
摘要： An applicator head is positioned beneath a backing roll over which a substrate can be drawn. The applicator head has a housing which contains a pond of coating material between an up machine overflow lip and a down machine extraction plate or premetering plate. Coating material at a relatively low velocity flows into the pond adjacent to the overflow lip. The premetering plate extends radially from the coating inlet to a position proximate to and converging with the backing roll, where it premeters the amount of coating applied to the substrate. The premetering plate preferably has a plurality of holes through which coating and air are drawn. A metering element is spaced downstream of the premetering plate, and a low pressure area is constructed therebetween. Air and coating are drawn from the low pressure area through a valve, and the pressure thereby controlled.
摘要翻译： 施用头位于背衬辊下方，可以在其上拉出基底。 涂抹器头具有壳体，该壳体在上部机器溢出唇缘和下降机提取板或预测板之间包含涂料池。 相对较低速度的涂层材料流入邻近溢流唇缘的池塘中。 预测量板从涂层入口径向延伸到靠近并与背衬辊会聚的位置，在该位置预测涂层施加到基底上的涂层量。 预测板优选具有多个孔，涂层和空气通过该孔被拉出。 计量元件在预测量板的下游间隔开，并且在它们之间构造低压区域。 空气和涂层通过阀从低压区抽出，从而控制压力。
-
公开(公告)号：US5683510A
公开(公告)日：1997-11-04
申请号：US563127
申请日：1995-11-29
申请人： Alfred C. Li , Rex A. Becker , James R. Burns
发明人： Alfred C. Li , Rex A. Becker , James R. Burns
CPC分类号： B05C3/18 , B05C11/1039 , D21H23/36 , B05C11/04
摘要： Air entrained within the pond of a coating applicator is influenced toward a designated region for removal. The region is formed by a recessed air collector which sets up a high-recirculation, low-pressure zone within the pond. Entrained air bubbles migrate to the collector. The collected air and excess coating is drawn out of the collector cavity by a plurality of perforations which discharge to a collection cavity at a lower pressure or partial vacuum. The collector structure may be employed in various coater/size press configurations.
摘要翻译： 夹带在涂布器池塘内的空气受到指定区域的影响。 该区域由在池塘内设置高再循环，低压区的凹陷式空气收集器形成。 夹带的气泡迁移到收集器。 收集的空气和多余的涂层通过多个穿孔从收集器腔抽出，其在较低的压力或部分真空下排放到收集腔。 收集器结构可以用于各种涂布机/尺寸印刷机构造。
-
公开(公告)号：US5735957A
公开(公告)日：1998-04-07
申请号：US537598
申请日：1995-10-02
申请人： Rex A. Becker , Alfred C. Li , James R. Burns
发明人： Rex A. Becker , Alfred C. Li , James R. Burns
摘要： An applicator head is positioned beneath a backing roll and has a housing divided into three sections. A first coating pond is defined between an overflow barrier and a first wall. A converging plate extends between the first wall and a second wall, and converges toward the substrate, and a second pond is defined between the plate and an end wall. Coating is introduced to both ponds. A low pressure cavity is defined beneath the converging plate and between the first wall and the second wall. The cavity opens to the second pond, and draws air and excess coating from the second pond. The substrate is prewetted as it passes through the first pond, and coating deprived of entrained air is applied to the substrate in the second pond. Coat weight uniformity and increased machine speeds are thus achievable.
摘要翻译： 涂抹头位于支承辊下方，并具有分成三部分的壳体。 在溢流障碍物和第一壁之间限定第一涂敷池。 会聚板在第一壁和第二壁之间延伸并且朝向衬底会聚，并且第二池被限定在板和端壁之间。 将涂层引入两池。 低压腔被限定在会聚板之下并且在第一壁和第二壁之间。 空腔向第二个池塘开放，并从第二个池塘抽出空气和多余的涂层。 衬底在通过第一池塘时被预润湿，并且将剥离的夹带空气的涂层施加到第二池塘中的衬底上。 因此可以实现涂层重量均匀性和增加的机器速度。
-
公开(公告)号：US5824369A
公开(公告)日：1998-10-20
申请号：US669688
申请日：1996-06-24
申请人： Alfred C. Li , Pamela K. Hynnek , James P. Alfano , Xuekui Lan , Rex A. Becker
发明人： Alfred C. Li , Pamela K. Hynnek , James P. Alfano , Xuekui Lan , Rex A. Becker
摘要： A method and apparatus for coating a traveling paper web includes a coating applicator disposed in movably-controlled spaced adjacency with the paper web, which is supported on a rotating backing roll. The coating applicator permits a controlled introduction of a fresh portion of an aqueous slurry of coating material which is mixed with a recirculated portion of coating material in a controlled manner to prevent the formation of large vortices within the coating applicator. The coating material flows successively through mixing, convergent, and recirculation channels, all of which are defined on one side thereof by a distinct surface of a flow stabilizer which is positioned centrally in a cavity in the coating apparatus. Control of the supply of the coating material through the inlet nozzle, and the recirculation of the coating material between the recirculation and mixing channels, through a recirculation nozzle, is effected by directing the coating material through a plurality of orifices which provide a controlled back pressure in the coating material as well as to disrupt the propagation of cross-machine vortices in the coating material. The paper web is brought into contact with the coating material along a convergent channel where the coating material is carried by the traveling web over the backing roll and where the flow variation in the coating material in the convergent channel is controlled at a small-scale level. A metering blade is positioned downstream of the convergent channel to bear against the coating over the web and meter the coating onto the traveling paper web.
摘要翻译： 用于涂布行进纸幅的方法和设备包括涂布器，其布置成与纸幅可移动地间隔邻接，该纸幅被支撑在旋转的背衬辊上。 涂布施加器允许受控地引入新鲜部分的涂料的水性浆料，其以受控的方式与涂覆材料的再循环部分混合，以防止在涂布器内形成大的涡流。 涂层材料依次流过混合，收敛和再循环通道，所有这些通道在其一侧通过定位在涂覆设备中的空腔中心的流动稳定器的不同表面来限定。 通过入口喷嘴对涂层材料的供应的控制以及通过再循环喷嘴在再循环和混合通道之间的涂层材料的再循环通过引导涂层材料通过多个孔来实现，这些孔提供受控的背压 在涂层材料中以及破坏涂层材料中横机旋转的传播。 纸幅沿着会聚通道与涂布材料接触，其中涂料由移动的纸幅承载在背衬辊上，并且收敛通道中的涂料中的流动变化被控制在小规模的水平 。 计量刀片位于会聚通道的下游，以抵靠在幅材上的涂层，并将涂层计量到移动的纸幅上。
-
公开(公告)号：US6024797A
公开(公告)日：2000-02-15
申请号：US50495
申请日：1998-03-30
申请人： Alfred C. Li , Rex A. Becker
发明人： Alfred C. Li , Rex A. Becker
摘要： A method and apparatus for applying a uniform coating to a moving paper web by utilizing a coating applicator with regional cross-machine zones from which coating quality or excess coating can be monitored and analyzed. As the coating conditions vary between regional zones, upstream liquid coating flow parameters can be varied for a particular region to render uniform coating profiles across the entire machine-direction of the web.
摘要翻译： 一种通过使用具有区域跨机区域的涂布器施加均匀涂层到移动的纸幅的方法和装置，从而可以监测和分析涂层质量或多余的涂层。 随着涂层条件在区域之间变化，可以针对特定区域改变上游液体涂布流动参数，以在幅材的整个机器方向上形成均匀的涂层轮廓。
-
公开(公告)号：US5882406A
公开(公告)日：1999-03-16
申请号：US893595
申请日：1997-07-14
申请人： Rex A. Becker , Alfred C. Li
发明人： Rex A. Becker , Alfred C. Li
CPC分类号： B05C3/18 , B05C1/0813 , D21H23/34 , D21H23/60 , B05C11/04
摘要： A short dwell coater and film applicator coating has an application chamber between an inlet overflow baffle plate and a final metering element. An adjustable wedge is spaced in the machine direction from a fixed wedge to define a gap which serves as a coating extraction port. A cylindrical rod is positioned in the extraction port which is about 3/8th to about two inches in diameter and is driven to rotate at a rate of between one and one-hundred rpm. The rod serves to extract air and coating from the application chamber. Alternatively, an adjustable plate may be positioned to obstruct an opening leading to the extraction port.
摘要翻译： 短停留涂布机和薄膜涂布器涂层在入口溢流挡板和最终计量元件之间具有应用室。 可调楔形物在机器方向上与固定楔形物间隔开，以限定用作涂层提取口的间隙。 圆柱形杆位于提取口中，其大约为+ E，直径为3/8 + EE至约2英寸，并被驱动以1转和100转之间的速率旋转。 该杆用于从施用室抽取空气和涂层。 或者，可调节板可以被定位成阻塞通向提取端口的开口。
-
公开(公告)号：US5665163A
公开(公告)日：1997-09-09
申请号：US518093
申请日：1995-08-22
申请人： Alfred C. Li , Rex A. Becker , Leroy H. Busker
发明人： Alfred C. Li , Rex A. Becker , Leroy H. Busker
CPC分类号： B05C3/18 , B05C1/0813 , D21H23/34 , D21H23/60 , B05C11/04
摘要： A uniform film of coating is delivered onto a substrate at high speed by a film applicator, such as a coater apparatus for a papermaking machine, which has a static converging wedge, an adjustable converging wedge, and an extraction channel located between the two wedges. As a unit, the film applicator minimizes the hydrodynamic flow instabilities, as well as reduces flow variations associated with a nonuniform feed and a dynamic contact line. The film applicator also removes entrained air and excess coating from the application zone in order to improve the flow stability and machine runnability.
摘要翻译： 通过膜施加器，例如用于造纸机的涂布机装置，将均匀的涂层膜高速输送到基板上，该装置具有静态会聚楔形件，可调节的会聚楔形件和位于两个楔块之间的提取通道。 作为一个单元，膜施加器使流体动力学流动不稳定性最小化，并且减少与不均匀进料和动态接触线相关联的流动变化。 薄膜施加器还从施加区域除去夹带的空气和过量的涂层，以改善流动稳定性和机器运行性能。
-
公开(公告)号：US5887517A
公开(公告)日：1999-03-30
申请号：US957084
申请日：1997-10-24
申请人： Shihua Liang , Rex A. Becker
发明人： Shihua Liang , Rex A. Becker
CPC分类号： D21G1/0233
摘要： A soft nip calender employing a compliant roll constructed of circumferentially superpositioned layers of compliant material which are progressively less compliant as the layers approach an underlying steel roll.
摘要翻译： 软压区压光机采用由周向叠加的顺应性材料层构成的柔性辊，当层接近下面的钢辊时，柔性辊逐渐变小。
-
-
-
-
-
-
-
-
搜索结果
9 条记录 (耗时 0.02 秒)
