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公开(公告)号：US4874633A
公开(公告)日：1989-10-17
申请号：US919941
申请日：1986-10-17
CPC分类号： G11B5/738 , G11B5/845 , Y10S428/90
摘要： A method of producing a magnetic recording medium comprises forming a magnetic layer by applying a magnetic film forming liquid onto a continuously running non-magnetic support, applying a magnetic field onto the magnetic film forming liquid before the magnetic film forming liquid has dried, and then drying the magnetic film forming liquid. A non-magnetic undercoating layer is formed on the support simultaneously with the step of forming the magnetic layer by simultaneously applying to the support a non-magnetic undercoating forming liquid and the magnetic film forming liquid. The magnetic field is applied before both the magnetic film forming liquid and non-magnetic undercoating forming liquid have dried.
摘要翻译： 一种制造磁记录介质的方法包括通过在连续运行的非磁性载体上施加磁性膜形成液体来形成磁性层，在磁性膜形成液体干燥之前将磁场施加到磁性膜形成液体上，然后 干燥磁性成膜液。 通过同时向载体施加非磁性底涂层形成液体和磁性膜形成液体，在支撑体上形成非磁性底涂层，同时形成磁性层的步骤。 在磁性成膜液体和非磁性底涂层形成液体都干燥之前施加磁场。
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公开(公告)号：US4518637A
公开(公告)日：1985-05-21
申请号：US495928
申请日：1983-05-19
申请人： Hideo Takeda , Tsunehiko Sato
发明人： Hideo Takeda , Tsunehiko Sato
CPC分类号： B05D1/28 , B05C11/025 , G03C1/74 , B05C3/18
摘要： In method of metering a coating solution, a coil bar is rotatably supported on a holder, and after a coating solution is applied to a web which is continuously run, a surplus of coating solution is scraped off with the coil bar, metering is carried out while a solution which is substantially the same in composition as said coating solution is supplied continuously to both sides of the coil bar which are before and after in the direction of run of the web, at a predetermined flow rate.
摘要翻译： 在计量涂布溶液的方法中，线圈杆可旋转地支撑在保持器上，并且在将涂布溶液施加到连续运行的幅材之后，用线圈棒刮掉多余的涂布溶液，计量进行 同时以与所述涂布溶液的组成基本相同的溶液以预定流速连续地供给到卷材的运行方向前后的线圈条的两侧。
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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
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。
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公开(公告)号：US4746542A
公开(公告)日：1988-05-24
申请号：US934897
申请日：1986-11-25
申请人： Naoyoshi Chino , Yasuhito Hiraki , Tsunehiko Sato
发明人： Naoyoshi Chino , Yasuhito Hiraki , Tsunehiko Sato
摘要： A dual-coating method for use with a magnetic tape. A first coating solution is applied to a travelling support in an amount not exceeding 60 ml/m.sup.2. Within 5 seconds, a extrusion head pressed against the unsupported but tensioned moving support applies a second coating solution in an amount not exceeding 50 ml/m.sup.2.
摘要翻译： 一种用于磁带的双重涂覆方法。 第一涂布溶液以不超过60ml / m 2的量施加到行进支架上。 在5秒钟内，压靠未支撑但张紧的移动支架的挤压头施加不超过50ml / m2的第二涂层溶液。
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公开(公告)号：US4678682A
公开(公告)日：1987-07-07
申请号：US496734
申请日：1983-05-20
CPC分类号： G11B5/845
摘要： The perpendicular magnetic orientation of a magnetic layer containing platelet-form ferromagnetic particles coated on a web support is effectively performed by passing a web having thereon the coated magnetic layer in an undried state through a magnetic field formed by plural pairs of opposite pole type magnets disposed in the travelling direction of the web with a gap between adjacent pairs of magnets, while supplying drying air through each gap onto the surface of the travelling web to substantially complete the drying of the coated layer while the web is in the magnetic field. A partition may be inserted in each gap so that the lower end of the partition is close to the upper surface of the travelling web to divide the gap into a front section and a back section, and the drying air may be passed through these sections.
摘要翻译： 通过使其上具有涂覆的磁性层的卷材在未干燥状态下通过由多对成对的相对极型磁体形成的磁场而使包含在片状载体上的含有片状铁磁颗粒的磁性层的磁性层的垂直磁性取向 在相邻成对的磁体之间具有间隙的幅材的行进方向上，同时通过每个间隙将干燥空气提供到行进幅材的表面上，以在幅材处于磁场的同时基本上完成涂覆层的干燥。 可以在每个间隙中插入隔板，使得隔板的下端靠近行进网的上表面，以将间隙分成前部和后部，并且干燥空气可以通过这些部分。
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公开(公告)号：US4456637A
公开(公告)日：1984-06-26
申请号：US359448
申请日：1982-03-18
申请人： Hideo Takeda , Tsunehiko Sato
发明人： Hideo Takeda , Tsunehiko Sato
CPC分类号： B05D1/40 , B05C11/025 , B05C11/04 , G03C1/74
摘要： A web coating method and apparatus includes a web scraping mechanism arranged after a coating section, the scraper being in the form of a wire bar. The scraping efficacy of the device is improved by forming the wire bar from small gauge wire wound upon a circular or polygonal rod, where the radius of curvature of the wire is 2 mm or less. If desired, the wire bar may be rotated relative to the web as scraping is effected.
摘要翻译： 卷筒纸涂布方法和装置包括布置在涂布部分之后的卷筒纸刮擦机构，刮板是线材的形式。 通过将线棒从缠绕在圆形或多边形杆上的小规格线形成，其中线的曲率半径为2mm或更小，从而提高了该装置的刮削效果。 如果需要，当进行刮擦时，线棒可以相对于幅材旋转。
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27.发明授权Simultaneous multi-layer coating method for manufacturing magnetic recording medium 失效用于制造磁记录介质的同时多层涂布方法
公开(公告)号：US4927665A
公开(公告)日：1990-05-22
申请号：US420410
申请日：1989-10-12
申请人： Naoyoshi Chino , Tsunehiko Sato , Shinji Saito , Hiroshi Ogawa
发明人： Naoyoshi Chino , Tsunehiko Sato , Shinji Saito , Hiroshi Ogawa
CPC分类号： G11B5/716 , G11B5/7027 , Y10S428/90
摘要： A method for simultaneously forming a plurality of organic-solvent-based magnetic layers on a moving support for the manufacture of a magnetic recording medium or the like. The surface tension of a solvent used to form the uppermost of the layers is made lower than that of the other layers. The most preferred range of the surface tension of the solvent which forms the uppermost layer is in a range of 0.1 to 3 dynes.
摘要翻译： 一种用于在用于制造磁记录介质等的移动支撑件上同时形成多个有机溶剂基磁性层的方法。 使用于形成最上层的溶剂的表面张力低于其它层的表面张力。 形成最上层的溶剂的表面张力的最优选范围为0.1〜3达因。
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公开(公告)号：US4887623A
公开(公告)日：1989-12-19
申请号：US68294
申请日：1987-07-01
CPC分类号： G03C1/74 , B05C11/025 , G11B23/502
摘要： A method and apparatus for removing particles from a flexible sheet. The sheet is run over a rotating rod, rotating oppositely to the moment of the sheet. The rod is immersed on its lower side in a bath of solvent and excess solvent is removed from the bath and is filtered. Additionally, solvent may be applied to the sheet before it reaches the rotating rod or a negative pressure applied just upstream of the rod sucks away the particles.
摘要翻译： 一种从柔性片中除去颗粒的方法和装置。 片材在旋转杆上运行，与片材的时刻相反地旋转。 将棒浸入其下侧的溶剂浴中，并从浴中除去过量的溶剂并过滤。 此外，溶剂可以在其到达旋转棒之前施加到片材上，或者刚好在杆的上游施加的负压吸收颗粒。
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公开(公告)号：US4844946A
公开(公告)日：1989-07-04
申请号：US25550
申请日：1987-03-13
CPC分类号： G11B5/716 , G11B5/842 , Y10S428/90 , Y10T428/265
摘要： A method of fabricating a magnetic tape in which a non-magnetic support is simultaneously coated with two coating solutions, with the upper layer having a dried thickness no thicker than that of the lower layer. While the layers remain wet, the layers are subjected to magnetic orientation and are then dried.
摘要翻译： 一种制造磁带的方法，其中非磁性载体同时涂覆有两种涂布溶液，其上层具有不比下层更厚的干燥厚度。 当这些层保持湿润时，这些层受到磁性取向的干燥。
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公开(公告)号：US4776997A
公开(公告)日：1988-10-11
申请号：US3876
申请日：1987-01-16
CPC分类号： B05D1/26 , B29C47/92 , G11B5/848 , B29C2947/92647 , B29C2947/92904 , B29C2947/92923
摘要： A coating method and apparatus using an extrusion head to apply a liquid film to a running web. The thickness of the film is measured at two transverse points and a roller conveying the web is tilted to correct any difference. The amount of tilt per roller with a roller bearing span of 750 mm is 0.5 to 20 mm, preferably 0.5 to 15 mm.
摘要翻译： 一种涂布方法和使用挤出头的方法，用于将液膜施加到运行的卷筒纸上。 在两个横向点测量膜的厚度，并且倾斜输送幅材的辊以校正任何差异。 滚子轴承跨度为750mm的每个滚子的倾斜量为0.5至20mm，优选为0.5至15mm。
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