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    • 11. 发明授权
    • Resin film forming method
    • 树脂成膜方法
    • US06896832B2
    • 2005-05-24
    • US10071183
    • 2002-02-11
    • Tadahiro KegasawaRyuichi KatsumotoMasanori TakaseHidetoshi Okamura
    • Tadahiro KegasawaRyuichi KatsumotoMasanori TakaseHidetoshi Okamura
    • B29C47/00B29C47/02B29C47/04B29C47/06B29C47/14B32B37/15
    • B32B37/153B29C47/0021B29C47/003B29C47/02B29C47/062B29C47/064B29C47/14B29C47/8845B29C47/8855B29C47/886B29C47/8875B32B37/0007B32B2309/66
    • In the resin film forming method for extruding a fused resin from an extruder die to form a resin film, the second resin forming both ends in width direction of the resin film uses a resin greater in extension viscosity than the first resin forming the center in width direction of the resin film. Thereby, even if production conditions such as resin condition and operating conditions change, faults such as neck-in and its resultant thickening at both ends of the resin film can be suppressed. In the production of a laminate by nipping a support and a resin film of a thermoplastic resin by means of a nip roller and a cooling roller while coating the resin film onto the surface of the support, the accompanying air following the rotation of the cooling roller to the nip point is shut off by blowing a gas permeable through the resin film from a gas jet nozzle toward the surface of the cooling roller. Thereby, the occurrence of craters can be inhibited, a laminate excellent in surface appearance can be produced and the production of a laminate effective especially at the time of a line speed rise in the laminate production is performable.
    • 在从挤出机模头挤出熔融树脂以形成树脂膜的树脂膜形成方法中,在树脂膜的宽度方向两端形成的第二树脂使用的树脂的延伸粘度大于形成宽度中心的第一树脂 树脂膜的方向。 由此,即使在树脂状态,工作条件等生产条件变化的情况下,也能够抑制树脂膜的两端的颈部及其加厚等缺陷。 在通过夹持辊和冷却辊夹持支撑体和热塑性树脂的树脂膜同时将树脂膜涂覆到支撑体的表面上来生产层压体时,随着冷却辊旋转的伴随空气 通过从气体喷射喷嘴朝向冷却辊的表面吹入可透过树脂膜的气体来切断夹点。 由此,可以抑制凹坑的发生,可以制造表面外观优异的层压体,特别是在层叠体制造中的线速度上升时,可以实现层叠体的生产。
    • 13. 发明授权
    • Method and apparatus for forming resin film
    • 树脂膜形成方法及装置
    • US07674412B2
    • 2010-03-09
    • US10725053
    • 2003-12-02
    • Tadahiro KegasawaRyuichi KatsumotoMasanori Takase
    • Tadahiro KegasawaRyuichi KatsumotoMasanori Takase
    • B29C47/12B29C47/14B32B37/00
    • B32B37/153B29C47/0007B29C47/0021B29C47/062B29C47/16B29C47/56B29C47/8845B29C47/885B29K2023/0633B29K2105/0032
    • The apparatus is for forming a resin film from a resin for a middle portion to form a resin film main body of the resin film and a resin for edge portions to form both side edge portions in a crosswise direction of the resin film. The apparatus comprises: a feed block which includes a joining part where the resin for the middle portion in a molten state and the resin for the edge portions in a molten state are joined in such a manner as to enclose both side edges in the crosswise direction of the resin film main body with the resin for the edge portions; and an extruding die through which the joined resins are extruded to form the resin film. Thus, a method and apparatus for forming the resin film can avoid the inclusion of the resin for the middle portion in the trimmed-off selvages while preventing the film separation of the resins for the middle portion and for the edge portions, and therefore, increase the recyclability and the productivity of the resin film.
    • 该装置用于从用于中间部分的树脂形成树脂膜以形成树脂膜的树脂膜主体和用于边缘部分的树脂,以在树脂膜的横向方向上形成两个侧边缘部分。 该装置包括:进料块,其包括接合部分,其中熔融状态的中间部分的树脂和熔融状态的边缘部分的树脂以沿横向包围两个侧边缘的方式接合 树脂膜主体与边缘部分的树脂; 以及将挤出连接的树脂形成树脂膜的挤出模具。 因此,用于形成树脂膜的方法和装置可以避免在修剪边缘中包含用于中间部分的树脂,同时防止用于中间部分和边缘部分的树脂的膜分离,因此增加 树脂膜的可回收性和生产率。
    • 18. 发明申请
    • Method and Apparatus for Producing Embossed Sheet
    • 生产压花板的方法和装置
    • US20090294998A1
    • 2009-12-03
    • US11992422
    • 2006-09-21
    • Shotaro OgawaRyuichi KatsumotoMakoto Koike
    • Shotaro OgawaRyuichi KatsumotoMakoto Koike
    • B29D11/00B29C59/16B28B19/00
    • B29C39/148B29C39/18B29C59/04B32B38/06B32B2037/243B32B2307/40G02B5/22
    • A method of producing an embossed sheet includes the steps of allowing a flexible strip-shaped sheet to continuously travel, forming a coating layer by coating the surface of the sheet with a radiation curable resin, transferring a pattern of concavities and convexities on the surface of the emboss roller to the coating layer by winding the sheet around the rotating emboss roller, curing the coating layer by irradiating the sheet which is wound around the roller with radiation, releasing the sheet from the emboss roller, laminating a protective film on one or both sides of the continuously traveling sheet after releasing, and taking up the continuously traveling sheet after lamination in the form of a roll. According to the method, a high quality, defect-free embossed sheet having a fine regular pattern of concavities and convexities on the surface can be produced at high line speed with high productivity.
    • 制造压花片的方法包括以下步骤:使柔性条状片材连续移动,通过用辐射固化树脂涂覆片材的表面形成涂层,在其表面上转移凹凸图案 通过将片材卷绕在旋转的压花辊上将压花辊卷绕到涂层上,通过用辐射照射卷绕在辊上的片材来固化涂层,从压花辊释放片材,将保护膜层压在一个或两个上 剥离后的连续移动片的侧面,并且以辊的形式卷取连续行进片。 根据该方法,可以高生产率以高线速度生产表面上具有凹凸的精细规则图案的高质量,无缺陷的压纹片。
    • 19. 发明申请
    • OPTICAL FUNCTIONAL SHEET, AND DISPLAY DEVICE
    • 光学功能表和显示设备
    • US20080013341A1
    • 2008-01-17
    • US11775268
    • 2007-07-10
    • Yoshihiko SanoHideo NaganoRyuichi KatsumotoMakoto KoikeAya Kuwata
    • Yoshihiko SanoHideo NaganoRyuichi KatsumotoMakoto KoikeAya Kuwata
    • F21V8/00
    • G02B5/045G02F2001/133607
    • The present invention provides an optical functional sheet and a display device that are capable of keeping a given degree or more of front luminance and are capable of substantially reducing brightness nonuniformity. To this end, the optical functional sheet has a base 3, and prisms 4 arranged in a lattice pattern on at least one surface 3a of the base 3, wherein each of the prisms 4 has two bottoms L1 parallel to a first direction D1, two first inclined surfaces S1 that are inclined so as to face each other, two bottoms L2 parallel to a second direction D2 that is substantially perpendicular to the first direction D1, and two second inclined surfaces S2 that are inclined so as to face each other, and the area Ss2 of one of the second inclined surfaces S2 to the sum S2s1 of the areas of the two first inclined surfaces S1, or the area Ss1 of one of the first inclined surfaces S1 to the sum S2s2 of the areas of the two second inclined surfaces S2 is more than 0.5 times to 2.5 times or less.
    • 本发明提供能够保持一定程度以上的正面亮度并且能够显着降低亮度不均匀性的光学功能片和显示装置。 为此,光学功能片具有基底3和在基底3的至少一个表面3a上以格子图案排列的棱镜4,其中每个棱镜4具有两个底部L 1 >平行于第一方向D 1> 2的两个第一倾斜表面S SUB 1相对于彼此倾斜,两个底部L 2 2 < 平行于基本上垂直于第一方向D 1 1的第二方向D 2 2和两个倾斜的第二倾斜表面S 2 2 以及第二倾斜面S 2之一之间的面积S S2和S 2的区域S 2 S 2 < 第一倾斜表面S 1的一个的两个第一倾斜表面S SUB 1或区域S S 1 S 1&lt;和/ 两个第二倾斜表面S 2 2的区域的2s2 <2>大于0.5倍至2.5倍以下。