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    Coating method
    2.
    发明授权
    Coating method 失效
    涂布方法

    公开(公告)号：US5030484A

    公开(公告)日：1991-07-09

    申请号：US376268

    申请日：1989-07-03

    申请人： Naoyoshi Chino ,  Yasuhito Hiraki ,  Norio Shibata ,  Tsunehiko Sato

    发明人： Naoyoshi Chino ,  Yasuhito Hiraki ,  Norio Shibata ,  Tsunehiko Sato

    IPC分类号： B05C5/02 ,  B05C9/06 ,  B05D1/26 ,  G11B5/848

    CPC分类号： B05C5/0254 ,  B05C9/06 ,  B05D1/265 ,  G11B5/848 ,  Y10S118/04

    摘要： A coating method and an extrusion-type coating head in which turbulence at the junction between two flows of coating materials is prevented to provide multi-layer simultaneous coating over a wide range of coating rates and with a good coating quality. An intermediate block is sandwiched between a rear block defining a back edge and a front block defining a doctor edge. Two coating flows pass through slits formed on either side of the intermediate block, joining at the top end of the intermediate block and flowing together into a short slot extending between the end of the intermediate block and the outlet of the head.

    摘要翻译： 一种涂覆方法和挤出型涂覆头，其中防止两个涂层材料流之间的连接处的湍流，以在广泛的涂布速率和良好的涂层质量下提供多层同时涂布。 中间块被夹在限定后边缘的后块和限定医生边缘的前块之间。 两个涂层流动通过形成在中间块的任一侧的狭缝，在中间块的顶端处接合并且一起流入在中间块的端部和头部的出口之间延伸的短槽中。

    Method of applying a liquid to a moving web
    7.
    发明授权
    Method of applying a liquid to a moving web 失效
    将液体施加到移动网的方法

    公开(公告)号：US4717603A

    公开(公告)日：1988-01-05

    申请号：US930475

    申请日：1986-11-14

    申请人： Naoyoshi Chino ,  Yasuhito Hiraki ,  Tsunehiko Sato ,  Hiroshi Chikamasa ,  Norio Shibata

    发明人： Naoyoshi Chino ,  Yasuhito Hiraki ,  Tsunehiko Sato ,  Hiroshi Chikamasa ,  Norio Shibata

    IPC分类号： B05C5/02 ,  B05D1/26 ,  B05D7/24 ,  G11B5/842 ,  G11B5/848 ,  H01F10/02 ,  B05D1/18

    CPC分类号： B05D1/26 ,  B05C5/0254 ,  G11B5/842

    摘要： A method of applying a liquid to a moving web while pushing an extrusion application head to the moving web without supporting the moving web on the reverse side thereof. The application is performed while the accumulation of the liquid to be applied to the moving web is maintained by (a) the moving web and (b) an edge of the back blade of the extrusion application head, the edge being defined by the intersection of (1) a first surface of the back blade which faces the front blade and which is nearest the web, and (2) a second surface of the back blade which is more remote from the front blade than the first surface and, wherein the pressure of the liquid of the accumulation located between the web and the outlet portion of the slit of the extrusion application head is set within a range from 0.2 kg/cm.sup.2 gauge to 0.8 kg/cm.sup.2 gauge per 50 cm of width of applied liquid.

    摘要翻译： 一种在将挤出施加头推向移动幅材的同时将液体施加到移动幅材上的方法，而不在其反面上支撑移动幅材。 当通过（a）移动幅材和（b）挤出施加头的后叶片的边缘来维持施加到移动幅材上的液体的积聚时，执行应用，边缘由 （1）后刀片的面向前刀片并且最靠近腹板的第一表面，和（2）后刀片的比第一表面更远离前刀片的第二表面，并且其中压力 位于幅材和挤出施加头的狭缝的出口部分之间的积聚液的液体被设定在每50cm宽的施加液体的0.2kg / cm 2表压至0.8kg / cm2表压的范围内。

    Coating method
    8.
    发明授权
    Coating method 失效
    涂布方法

    公开(公告)号：US4976992A

    公开(公告)日：1990-12-11

    申请号：US417160

    申请日：1989-10-04

    申请人： Naoyoshi Chino ,  Yasuhito Hiraki ,  Tsunehiko Sato

    发明人： Naoyoshi Chino ,  Yasuhito Hiraki ,  Tsunehiko Sato

    IPC分类号： B05C1/16 ,  B05D1/26 ,  B05D1/32 ,  B05D7/04 ,  G03C1/74 ,  G03F7/16 ,  G11B5/855

    CPC分类号： B05D1/32 ,  G03C1/74 ,  G03F7/16 ,  G11B5/855 ,  G03C2001/7455

    摘要： A method for coating a running support with a coating solution, such as in the production of a magnetic recording medium, in which spreading of the coating solution into edge portions of the support not intended to be coated with the coating solution is prevented, hence providing a coating layer uniform in thickness and with good surface characteristics. Immediately before application of the coating solution to the support, a solvent is applied to regions of the support which are not to be coated with the coating solution and which are located on both sides of the coating region to be coated with the coating solution. In accordance with the invention, the solubility parameter of the solvent is made different from that of a solvent contained in the coating solution by at least 1.2 at a temperature of 25.degree. C.

    摘要翻译： 通过涂覆溶液涂覆运行中的支撑体的方法，例如在生产磁记录介质时，防止涂层溶液扩散到不希望涂覆溶液的涂层边缘部分，因此提供 厚度均匀且表面特性好的涂层。 在将涂布溶液施加到载体之前，将溶剂施加到不涂覆涂层溶液的位于待涂覆涂层溶液的涂覆区域两侧的载体区域。 根据本发明，在25℃的温度下使溶剂的溶解度参数与包含在涂布溶液中的溶剂的溶解度参数不同至少为1.2。

    Method for manufacturing magnetic recording medium while preventing damage to same caused by scraping by coating head
    10.
    发明授权
    Method for manufacturing magnetic recording medium while preventing damage to same caused by scraping by coating head 失效
    在通过涂层头部通过刮擦造成的损害的同时制造磁性记录介质的方法

    公开(公告)号：US5118525A

    公开(公告)日：1992-06-02

    申请号：US589573

    申请日：1990-09-28

    申请人： Naoyoshi Chino ,  Hiromu Ueha

    发明人： Naoyoshi Chino ,  Hiromu Ueha

    IPC分类号： G11B5/84 ,  B05C5/02 ,  B05C9/06 ,  B05D1/26 ,  G11B5/855

    CPC分类号： G11B5/855 ,  B05C5/0254 ,  B05C9/06

    摘要： A method for manufacturing a magnetic recording medium in which shavings are not generated when an easily bent thin web comes into contact with contact members of a coating head, a conveying system, rolls in calendaring treatment, etc., in which, during coating, a coating having an even coating thickness and good surface properties is formed, and in which a coating liquid does not spread in such a manner as to cause defects such as coating unevenness and the like. In accordance with the inventive method, to manufacture a magnetic recording medium in which a coating liquid is applied onto a surface of a continuously running flexible support except widthwise edge portions of the support while a slot top end of a coating head is pressed against the surface of the flexible support, a material selected from a polymer film, a carbon dispersing liquid, a fatty-acid lubricant, and a fluorine-group lubricant is applied onto at least portions of the flexible support corresponding to the edge portions. The material applied to the edge portions of the flexible support is dried to thereby form a coating at the edge portions of the flexible support. The coating liquid is then applied onto the surface of the flexible support.

    摘要翻译： 一种磁性记录介质的制造方法，其中当容易弯曲的薄网与涂覆头，输送系统，压延处理等中的接触构件接触时，不会产生刨屑，其中在涂覆期间， 形成具有均匀涂层厚度和良好表面性能的涂层，并且其中涂布液体不会以诸如涂布不均匀性等的缺陷的方式扩散。 根据本发明的方法，制造磁性记录介质，其中将涂布液施加到连续运行的柔性支撑体的表面上，除了支撑件的宽度方向的边缘部分之外，同时将涂覆头的槽顶端压靠在表面上 柔性支撑体的至少一部分上施加从聚合物膜，碳分散液，脂肪酸润滑剂和氟基润滑剂中选出的材料。 施加到柔性支撑件的边缘部分的材料被干燥，从而在柔性支撑件的边缘部分处形成涂层。 然后将涂布液施加到柔性支撑体的表面上。