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公开(公告)号：EP1116992B1
公开(公告)日：2005-12-07
申请号：EP01100078.3
申请日：2001-01-10
IPC分类号： G03C1/74
CPC分类号： G03C1/74 , B05C5/007 , G03C2001/7481 , G03C2001/7492 , G03C2200/27
摘要： In a simultaneous coating of multiple layers (A) on a web (12) using a slide hopper type coating apparatus (10, 40), the gelatin concentration of the coating liquid (14A) for the bottom layer is set to be lower than the gelatin concentration of the coating liquid (14B) for the middle layer by at least 2 points in percentage, the ratio A/B, which is the flow amount ratio of the coating liquid (14A) for the bottom layer with respect to the entire multi-layered coating liquid (14), is set to be between 0.05 and 0.2, and the ratio C/D, which is the viscosity ratio between the coating liquid (14A) for the bottom layer and the coating liquid (14B) for the middle layer, is set to be between 0.2 and 0.67. Thereby, the flow of the multi-layered coating liquid (14) flowing down on the slide surface (30) can be stabilized.
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公开(公告)号：EP0974403A2
公开(公告)日：2000-01-26
申请号：EP99114430.4
申请日：1999-07-22
IPC分类号： B05C5/00
CPC分类号： B05C5/008 , B05C9/06 , Y10S118/04
摘要： The coating apparatus has an air shielding device (34, 56, 72, 86) to prevent a curtain (14) of coating liquids, which free-falls from a coating head (10), from being disturbed by an air carried along by a traveling web (26). The coating apparatus also has a device (40, 44, 46, 48, 50, 52, 58, 60, 62, 64, 66, 70, 74, 76, 82, 84) to move the air shielding device (34, 56, 72, 86). Before and at the start of coating, the air shielding device (34, 56, 72, 86) is kept far from an impingement position where the free-falling curtain (14) impinges onto the web (26). Just after the start of coating, the air shielding device (34, 56, 72, 86) is moved close to the impingement position. This prevents the air shielding device (34, 56, 72, 86) from being contaminated with splashes of the coating liquids, and the like.
摘要翻译： 该涂布设备具有空气防护装置（34,56,72,86），以防止从涂布头（10）自由落下的涂布液幕（14）受到由涂布头（10）携带的空气的扰动 旅行网站（26）。 该涂覆设备还具有用于移动空气屏蔽装置（34,56）的装置（40,44,46,48,50,52,58,60,62,64,66,70,74,76,82,84） ，72,86）。 在涂布开始之前和开始涂布时，空气遮蔽装置（34,56,72,86）远离自由落下的窗帘（14）撞击到卷材（26）上的冲击位置。 刚开始涂覆时，空气防护装置（34,56,72,86）移动靠近冲击位置。 这防止了空气屏蔽装置（34,56,72,86）被涂布液的飞溅等污染。
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公开(公告)号：EP1061412B1
公开(公告)日：2006-12-06
申请号：EP00112609.3
申请日：2000-06-14
发明人： Oki, Kazuhiro , Katagiri, Yoshinobu
CPC分类号： B05C5/008 , B05C9/06 , G03C1/74 , Y10S118/04
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4.发明公开Drying method and drying apparatus for coating layer 有权ung ung ung ung ung ung ung ung ung ung ung ung ung ung ung ung ung ung ung
公开(公告)号：EP1462746A2
公开(公告)日：2004-09-29
申请号：EP04007398.3
申请日：2004-03-26
发明人： Oki, Kazuhiro , Kitaoka, Takeshi
CPC分类号： F26B13/18 , F26B13/10 , F26B25/006
摘要： A coating solution is applied to a web (11) to form a coating layer (41). Then the web (11) is transported into a drying apparatus, in which a guide roller (22, 49) guides the web (11) such that an angle of the web (11) to a horizontal direction is smaller downstream from the guide roller (22, 49). The angles at entrance and exit of the drying apparatus are named entrance and exit angles θ1, θ3, respectively, and satisfy a condition θ1> θ3. The coating layer (41) has the temperature T1 at the entrance, the temperature T2 at the exit, and the temperature T3 in the drying apparatus. The differences |T2-T1| and |T3-T1| are at most 5 °C. In the drying apparatus, as the organic solvent evaporates uniformly, the generation of the unevenness is reduced. Thereafter, the drying is made at the large drying speed in a blow-drying apparatus (26) to obtain a film product.
摘要翻译： 将涂布溶液施加到幅材（11）上以形成涂层（41）。 然后，将幅材（11）输送到干燥装置中，其中引导辊（22,49）引导幅材（11），使得幅材（11）在水平方向上的角度比导辊的下游更小 （22,49）。 干燥装置入口和出口处的角度分别被称为入口和出口角度¸1，¸3，满足条件¸1>¸3。 涂层41具有入口处的温度T1，出口处的温度T2和干燥装置中的温度T3。 差异| T2-T1 | 和| T3-T1 | 至多5°C。 在干燥装置中，随着有机溶剂均匀蒸发，产生不均匀性降低。 此后，在吹风干燥装置（26）中以大的干燥速度进行干燥，得到薄膜制品。
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5.发明公开Curtain coating method and apparatus for photographic printing paper 有权ApparatfürVorhangbeschichtung
公开(公告)号：EP0930530A2
公开(公告)日：1999-07-21
申请号：EP99100816.0
申请日：1999-01-18
发明人： Oki, Kazuhiro , Katagiri, Yoshinobu
IPC分类号： G03C1/74
CPC分类号： B05D1/305 , B05C5/008 , G03C1/74 , G03C2001/7433 , G03C2001/7481 , G03C2200/09 , G03C2200/27 , Y10S118/04
摘要： A curtain coating method of coating a continuously travelling web with at least two kinds of coating solutions superposed upon one another in layers includes the steps of supplying said coating solutions to flow as a free falling curtain and impinging the coating solutions on the web, in which differences in gelatin concentration and viscosity between a coating solution for a lowest layer and a coating solution for an adjacent layer are adjusted to 0-2 weight percent and 0-20 cp respectively.
Furthermore, a curtain coating apparatus for coating a web with a coating solution includes a hopper with a slide plane on which the coating solution flows and with a hopper lip from where the coating solution begins to freely fall down as a free falling curtain, and at least a pair of outlets which are each disposed in a position along the edge part of the free falling curtain and situated in a fixed distance down from the hopper lip, in which the auxiliary solutions are introduced from the width directions so as to maintain the curtain in the width direction thereof.摘要翻译： 涂覆具有层叠在一起的至少两种涂布溶液的连续行进幅材的帘式涂布方法包括以下步骤：将所述涂布溶液作为自由落下的窗帘提供流动并将涂布溶液冲击在卷材上，其中 将最低层的涂布溶液和相邻层的涂布溶液之间的明胶浓度和粘度的差异分别调节为0-2重量％和0-20cp。 此外，用于用涂布溶液涂布网的帘式涂布装置包括具有滑动平面的料斗，涂覆溶液在该料斗上流动，并且具有料斗唇缘，其中涂布溶液开始自由落下作为自由落下的帘幕，并且在 至少一对出口，它们分别设置在沿着自由落下的窗帘的边缘部分的位置上并且位于从料斗唇缘固定的距离下方，其中辅助溶液从宽度方向被引入以便保持窗帘 在其宽度方向上。
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公开(公告)号：EP1116992A1
公开(公告)日：2001-07-18
申请号：EP01100078.3
申请日：2001-01-10
IPC分类号： G03C1/74
CPC分类号： G03C1/74 , B05C5/007 , G03C2001/7481 , G03C2001/7492 , G03C2200/27
摘要： In a simultaneous coating of multiple layers (A) on a web (12) using a slide hopper type coating apparatus (10, 40), the gelatin concentration of the coating liquid (14A) for the bottom layer is set to be lower than the gelatin concentration of the coating liquid (14B) for the middle layer by at least 2 points in percentage, the ratio A/B, which is the flow amount ratio of the coating liquid (14A) for the bottom layer with respect to the entire multi-layered coating liquid (14), is set to be between 0.05 and 0.2, and the ratio C/D, which is the viscosity ratio between the coating liquid (14A) for the bottom layer and the coating liquid (14B) for the middle layer, is set to be between 0.2 and 0.67. Thereby, the flow of the multi-layered coating liquid (14) flowing down on the slide surface (30) can be stabilized.
摘要翻译： 在使用滑动漏斗型涂布装置（10,40）同时在网（12）上涂布多层（A）时，底层涂布液（14A）的明胶浓度设定为低于 中间层涂布液（14B）的明胶浓度至少为2个百分点，作为底层的涂布液（14A）相对于全部多层的流量比例A / B （14）的涂布液（14）的粘度比设定为0.05〜0.2，作为底层用涂布液（14A）和中间涂布液（14B）的粘度比即C / D 层，设置在0.2和0.67之间。 由此，能够稳定在滑动面（30）上流下的多层涂布液（14）的流动。
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公开(公告)号：EP1061412A1
公开(公告)日：2000-12-20
申请号：EP00112609.3
申请日：2000-06-14
发明人： Oki, Kazuhiro , Katagiri, Yoshinobu
CPC分类号： B05C5/008 , B05C9/06 , G03C1/74 , Y10S118/04
摘要： The curtain coating apparatus of the invention comprises a sliding face on which a coating solution flows down, a coating width regulating plate which is located on each of both sides of the sliding face and regulates the width of the flow of the coating solution, and an edge guide which is connected to the width regulating plate, and keeps both side edges of free falling stream of the coating solution from the sliding face, wherein a contact angle of water with the coating width regulating plate is greater than a contact angle of water with the edge guide, and the apparatus has solved problems of streaks and uneven thickness at side end portions of a free falling film caused by contraction and teapot phenomenon (residence), by changing wett properties at a coating width regulating plate and an edge guide.
摘要翻译： 本发明的帘式涂布设备包括涂布溶液向下流动的滑动面，位于滑动面的两侧中的每一侧上并调节涂布溶液的流动宽度的涂布宽度调节板以及 所述边缘导向件与所述宽度调节板连接，并保持所述涂布溶液的自由落下流的两侧边缘离开所述滑动面，其中水与所述涂布宽度调节板的接触角大于水与 边缘导轨和设备通过改变涂层宽度调节板和边缘导轨处的润湿特性，解决了由收缩和茶壶现象（居住）引起的自由降膜的侧端部分的条纹和厚度不均匀的问题。
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公开(公告)号：EP0930530B1
公开(公告)日：2004-09-29
申请号：EP99100816.0
申请日：1999-01-18
发明人： Oki, Kazuhiro , Katagiri, Yoshinobu
CPC分类号： B05D1/305 , B05C5/008 , G03C1/74 , G03C2001/7433 , G03C2001/7481 , G03C2200/09 , G03C2200/27 , Y10S118/04
摘要： A curtain coating method of coating a continuously travelling web with at least two kinds of coating solutions superposed upon one another in layers includes the steps of supplying said coating solutions to flow as a free falling curtain and impinging the coating solutions on the web, in which differences in gelatin concentration and viscosity between a coating solution for a lowest layer and a coating solution for an adjacent layer are adjusted to 0-2 weight percent and 0-20 cp respectively. Furthermore, a curtain coating apparatus for coating a web with a coating solution includes a hopper with a slide plane on which the coating solution flows and with a hopper lip from where the coating solution begins to freely fall down as a free falling curtain, and at least a pair of outlets which are each disposed in a position along the edge part of the free falling curtain and situated in a fixed distance down from the hopper lip, in which the auxiliary solutions are introduced from the width directions so as to maintain the curtain in the width direction thereof.
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公开(公告)号：EP0974403B1
公开(公告)日：2003-01-02
申请号：EP99114430.4
申请日：1999-07-22
CPC分类号： B05C5/008 , B05C9/06 , Y10S118/04
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公开(公告)号：EP0974403A3
公开(公告)日：2000-05-03
申请号：EP99114430.4
申请日：1999-07-22
CPC分类号： B05C5/008 , B05C9/06 , Y10S118/04
摘要： The coating apparatus has an air shielding device (34, 56, 72, 86) to prevent a curtain (14) of coating liquids, which free-falls from a coating head (10), from being disturbed by an air carried along by a traveling web (26). The coating apparatus also has a device (40, 44, 46, 48, 50, 52, 58, 60, 62, 64, 66, 70, 74, 76, 82, 84) to move the air shielding device (34, 56, 72, 86). Before and at the start of coating, the air shielding device (34, 56, 72, 86) is kept far from an impingement position where the free-falling curtain (14) impinges onto the web (26). Just after the start of coating, the air shielding device (34, 56, 72, 86) is moved close to the impingement position. This prevents the air shielding device (34, 56, 72, 86) from being contaminated with splashes of the coating liquids, and the like.
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