Curtain coating method and apparatus for photographic printing paper
    31.
    发明授权
    Curtain coating method and apparatus for photographic printing paper 失效
    用于照相印刷纸的帘布涂布方法和装置

    公开(公告)号:US6287384B2

    公开(公告)日:2001-09-11

    申请号:US35839699

    申请日:1999-07-22

    Abstract: A curtain coating apparatus includes a hopper with a slide plane on which the coating solution flows and a hopper lip from where the coating solution begins to freely fall down as a free falling curtain. The apparatus also includes at least a pair of outlets disposed in a position along the edge part of the free falling curtain and situated at a fixed distance down from the hopper lip. Auxiliary solutions are introduced from the width directions so as to maintain the curtain in the width direction.

    Abstract translation: 帘式涂布装置包括具有涂层溶液流动的滑动平面的料斗和作为自由下落帘幕的涂布溶液开始自由落下的料斗唇缘。 该装置还包括至少一对出口,其布置在沿着自由落下的窗帘的边缘部分的位置并且位于与料斗唇缘相距固定的距离处。 从宽度方向引入辅助溶液,以将窗帘保持在宽度方向。

    Method for electrostatically assisted curtain coating at high speeds
    32.
    发明授权
    Method for electrostatically assisted curtain coating at high speeds 有权
    高速静电辅助幕涂的方法

    公开(公告)号:US6103313A

    公开(公告)日:2000-08-15

    申请号:US175640

    申请日:1998-10-20

    CPC classification number: G03C1/74 B05C5/008 B05D1/305 Y10S118/04

    Abstract: A method for curtain coating various compositions at high speed onto a continuously moving receiving surface comprisesa) forming a composite layer of a plurality of coating compositions having density .rho. of total volumetric flow rate per unit width Q, forming a freely falling curtain from said composite layer, and impinging said freely falling curtain of height h against a continuously moving receiving surface such that the point of impingement has an application angle .theta.,b) providing said receiving surface with roughness, R.sub.z (DIN), between about 2 .mu.m and about 20 .mu.m,c) providing an electrostatic field at said impingement point whereby high coating speeds can be attained, andd) providing said coating composition forming the layer adjacent to said receiving surface with a viscosity measured at a shear rate of 10,000 s.sup.-1 sufficiently high that, when combined with said roughness R.sub.z, said curtain height h, said application angle .theta., said total volumetric flow rate per unit width Q, and said liquid density .rho., gives a value of specifying parameter .phi..sub.E that is greater than 1.

    Abstract translation: 一种用于将各种组合物高速幕涂到连续移动的接收表面上的方法包括:a)形成具有每单位宽度Q的总体积流量密度rho的多个涂料组合物的复合层,从所述复合材料形成自由下落的窗帘 并且将高度h的自由下落的窗帘撞击在连续移动的接收表面上,使得冲击点具有施加角度θ,b)使所述接收表面的粗糙度Rz(DIN)在约2μm和约 20μm,c)在所述冲击点处提供静电场,从而可以获得高涂层速度,以及d)使所述涂料组合物形成邻近所述接收表面的层,其粘度在10,000s -1的剪切速率下测量 足够高,当与所述粗糙度Rz组合时,所述帘幕高度h,所述施加角度θ,每单位的总体积流量 宽度Q和所述液体密度rho给出指定参数phi E大于1的值。

    Method for curtain coating at high speeds
    33.
    发明授权
    Method for curtain coating at high speeds 有权
    高速幕帘涂布方法

    公开(公告)号:US6099913A

    公开(公告)日:2000-08-08

    申请号:US175519

    申请日:1998-10-20

    CPC classification number: G03C1/74 B05C5/008 B05D1/305 Y10S118/04

    Abstract: A method for curtain coating various compositions at high speed onto a continuously moving receiving surface comprisesa) forming a composite layer of a plurality of coating compositions having density .rho. of total volumetric flow rate per unit width Q, forming a freely falling curtain from said composite layer, and impinging said freely falling curtain of height h against a continuously moving receiving surface such that the point of impingement has an application angle .theta.,b) providing said receiving surface with roughness, R.sub.z (DIN), between about 2 .mu.m and about 20 .mu.m, andc) providing said coating composition forming the layer adjacent to said receiving surface with a viscosity measured at a shear rate of 10,000 s.sup.-1 sufficiently high that, when combined with said roughness R.sub.z, said curtain height h, said application angle .theta., said total volumetric flow rate per unit width Q, and said minimum liquid density .rho., gives a value of specifying parameter .phi..sub.0 that is greater than 1, and point whereby high coating speeds can be attained.

    Abstract translation: 一种用于将各种组合物高速幕涂到连续移动的接收表面上的方法包括:a)形成具有每单位宽度Q的总体积流量密度rho的多个涂料组合物的复合层,从所述复合材料形成自由下落的窗帘 并且将高度h的自由下落的窗帘撞击在连续移动的接收表面上,使得冲击点具有施加角度θ,b)使所述接收表面的粗糙度Rz(DIN)在约2μm和约 20μm,c)使所述涂层组合物形成邻近所述接收表面的层,其粘度在10,000s -1的剪切速率下测量得足够高,当与所述粗糙度Rz相结合时,所述帘幕高度h,所述应用 角度θ,每单位宽度Q的总体积流量以及所述最小液体密度rho给出指定参数phi 0的值更大的值 超过1,并且可以获得高涂层速度的点。

    Curtain coating method and apparatus utilizing checking plate for
controlling liquid flow
    36.
    发明授权
    Curtain coating method and apparatus utilizing checking plate for controlling liquid flow 失效
    利用检查板控制液体流动的帘布涂布方法和装置

    公开(公告)号:US5413818A

    公开(公告)日:1995-05-09

    申请号:US993803

    申请日:1992-12-15

    CPC classification number: B05D1/305 B05C5/008 G03C1/74 Y10S118/04

    Abstract: A curtain coating method and apparatus using a rotatable or slidable coating plate and in which a coating liquid freely falls in the form of a thin film from a hopper. The thin film collides with a web continuously running and circumferentially turning around a backup roller to coat the web. The coating plate is rotated or slid to retract so that the freely falling coating liquid reaches the web so as to coat the web after the freely falling coating liquid flows along a checking plate which is doglegged in section and provided on a forward end of the coating plate, thereby coating the web with an even thickness at the start of coating operations.

    Abstract translation: 一种帘式涂布方法和使用可旋转或可滑动的涂布板的装置,其中涂料液体从料斗自由地以薄膜的形式落下。 薄膜与连续运行的纸幅碰撞,并围绕支撑辊周向转动以涂覆纸幅。 涂布板旋转或滑动以缩回,使得自由下落的涂布液到达网状物,以便在自由下落的涂布液体沿着截面为弯曲的检查板流动并且设置在涂层的前端之后涂布网 从而在涂布操作开始时以均匀的厚度涂布纤维网。

    Method of curtain coating to make thin dielectric ceramic layers
    37.
    发明授权
    Method of curtain coating to make thin dielectric ceramic layers 失效
    帘式涂层方法制作薄电介质陶瓷层

    公开(公告)号:US4716058A

    公开(公告)日:1987-12-29

    申请号:US899832

    申请日:1986-08-25

    Inventor: Thomas M. Morin

    CPC classification number: B05D1/305 H01G4/1236 Y10S118/04

    Abstract: The dielectric layer or layers in a ceramic capacitor having at least one buried electrode is deposited by a curtain coating process that includes obtaining a measure of the ceramic-paint-curtain thickness. A source of electromagnetic radiation, e.g. in the infrared range, is directed equally near the left and right edges of the curtain, and detectors at the opposite curtain surface side pick up the difference in the radiation transmissivity which is a measure of curtain thickness assymetry left to right. By adjusting the paint reservoir from which the curtain issues to make the difference zero and the curtain symmetrical, uniformity in paint coating thickness is achieved.

    Abstract translation: 具有至少一个埋置电极的陶瓷电容器中的电介质层或层通过幕涂法沉积,该方法包括获得陶瓷 - 油漆幕厚度的量度。 电磁辐射源,例如 在红外线范围内,均匀地指向帘幕的左右边缘附近,并且在相对的窗帘面侧的检测器拾取辐射透射率的差异,这是从左到右的帘式厚度测量法的量度。 通过调整窗帘发生的油漆储存器,使差值为零,窗帘对称,实现了涂料厚度的均匀性。

    Process for the multiple coating of moving objects or webs
    39.
    发明授权
    Process for the multiple coating of moving objects or webs 失效
    移动物体或腹板多重涂层的工艺

    公开(公告)号:US4569863A

    公开(公告)日:1986-02-11

    申请号:US540530

    申请日:1983-10-11

    Abstract: A process for the multiple coating of objects or webs which are continuously moving past a coating point, using coating apparatus according to the curtain coating process. This process is carried out such that any number of comparatively high viscosity layers is embedded between an accelerating layer which is positioned below the layers and has a viscosity range of from 1 to 20 mPas and a layer thickness of from 2 to 30 .mu.m, and a spreading layer which is positioned above the comparatively high viscosity layers and has a viscosity range of from 1 to 10 mPas and a layer thickness of from 5 to 20 .mu.m. By the curtain coating process, coating rates of 400 m/min and more may be achieved with a good coating quality.

    Abstract translation: 通过使用根据帘式涂布方法的涂布装置,连续地移动经过涂覆点的物体或网状物的多次涂覆的方法。 进行该处理,使得在位于层之下的加速层之间嵌入任何数量的较高粘度的层,并且具有1至20mPas的粘度范围和2至30μm的层厚度,以及 位于较高粘度层上方的扩散层,其粘度范围为1〜10mPa·s,层厚为5〜20μm。 通过帘式涂布方法,可以以良好的涂层质量实现400m / min以上的涂布速度。

    Preparation of film of web-reinforced photopolymerized hydrophilic
interpolymer
    40.
    发明授权
    Preparation of film of web-reinforced photopolymerized hydrophilic interpolymer 失效
    纤维网增强光聚合亲水互聚物薄膜的制备

    公开(公告)号:US4466993A

    公开(公告)日:1984-08-21

    申请号:US464306

    申请日:1983-02-07

    CPC classification number: B05C5/005 B05D1/305 Y10S118/04

    Abstract: A process is taught in which a flexible, reinforcing travelling web may be uniformly, thinly transfer-coated, on both sides of the web simultaneously, with a low-viscosity liquid or mixture of monomers which may or may not wet the web, but does not wet the surface of a substrate on which the web and mixture are deposited. The liquid or mixture is first curtain-coated on an applicator curtain against which the web moves in controlled contact. An apparatus is provided for transfer-coating a travelling web with a low-viscosity liquid which is first curtain-coated on an applicator curtain.

    Abstract translation: 教导了一种方法,其中柔性增强的移动网可以同时地在网的两侧上均匀地薄地转移涂覆,同时使用低粘度液体或单体混合物,这些液体或单体混合物可能会或可能不会湿润网,但是 不会弄湿其上沉积有纤维网和混合物的基材的表面。 液体或混合物首先被帘式涂布在涂抹器帘幕上,网幅以可控制的方式移动。 提供了一种用于将低粘度液体转移涂覆在行进网上的装置,该低粘度液体首先被帘​​式涂覆在涂抹器窗帘上。

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