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    • 3. 发明申请
    • SHEET CONVEYING ROLLER AND PRODUCTION METHOD THEREFOR
    • 输送滚筒及其生产方法
    • US20130217554A1
    • 2013-08-22
    • US13723765
    • 2012-12-21
    • SUMITOMO RUBBER INDUSTRIES, LTD.
    • Atsushi HANYU
    • B65G39/00B29C67/00
    • B29C39/026B29C33/0033B29C33/02B29C33/76B29C39/028B29C39/26B29C67/0014B29C71/00B29D99/0035B29K2021/00B29L2023/00B29L2031/32B65G39/00B65G39/07
    • The present invention provides a sheet conveying roller, which effectively reduces the amount of paper dust accumulated on its outer peripheral surface to thereby suppress sheet transportation failure. The sheet conveying roller includes a nonporous tubular elastic member (1). The elastic member (1) has a plurality of recesses (6) or a plurality of through-holes (8) equidistantly arranged in a center axis (L1) direction thereof and equidistantly arranged in a circumferential direction thereof, and each having an opening having a round plan shape in an outer peripheral surface (2) thereof, wherein the recesses (6) each have a constant depth as measured thicknesswise of the elastic member (1), wherein the through-holes (8) each extend thicknesswise through the elastic member (1). A production method includes forming the elastic member by vulcanizing a rubber composition in a vulcanization mold having projections corresponding to the recesses or the through-holes.
    • 本发明提供了一种片材输送辊,其有效地减少了积聚在其外周面上的纸屑的量,从而抑制了纸张传送失败。 片材输送辊包括无孔管状弹性构件(1)。 弹性构件(1)具有沿其中心轴线(L1)方向等距离设置的沿圆周方向等距设置的多个凹槽(6)或多个通孔(8),并且每个具有开口具有 在其外周面(2)上具有圆形平面形状,其中,所述凹部(6)各自具有沿所述弹性部件(1)的厚度方向测量的恒定深度,其中,所述通孔(8)各自通过所述弹性部件 会员(1)。 制造方法包括通过在具有与凹部或通孔对应的突起的硫化模具中硫化橡胶组合物来形成弹性构件。
    • 10. 发明授权
    • Process for producing polymer-covered flexographic printing sleeves
    • 用于生产聚合物覆盖的柔版印刷套筒的方法
    • US5544584A
    • 1996-08-13
    • US352955
    • 1994-12-09
    • William L. ThompsonMark A. Borski
    • William L. ThompsonMark A. Borski
    • B29C35/18B29C39/02B29C39/10B29C70/72B41C1/18B41N1/12
    • B29C39/10B29C35/18B29C39/028B29C70/72B41C1/182B29K2075/00B29L2023/005B29L2031/324Y10T29/49563
    • A process for producing a durable, readily-storable, cylindrically-shaped flexographic printing sleeve having inner and an outer cylindrically-shaped walls and a substantially constant cross-sectional inner and outer diameter is provided. The flexographic printing sleeve is readily axially mountable on and dismountable from a complementary cylindrically-shaped printing cylinder having an outer cylindrically shaped wall. The process comprises providing a sleeve body. A layer of a low temperature curable polymeric material is provided to the outer circumferential surface of the sleeve body. The low temperature curable polymeric material is then cured at a temperature not greater than about 150 degrees F. to form a hardened layer of the polymeric material having a substantially uniform degree of hardness without damaging or distorting the sleeve body. A portion of the hardened layer of the polymeric material is removed to produce a flexographic printing sleeve having a thickness of up to about 0.100" and an impression range comprising an engagement distance of at least about 0.375" without any substantial visible reduction in print performance. The print performance comprises a print dot distortion of not more than about 0.0005" in the machine direction and not more than about 0.0002" in the cross machine direction.
    • 提供了一种用于生产具有内圆柱形和外圆柱形壁以及基本上恒定的横截面内外直径的耐用且易于储存的圆柱形柔性版印刷套筒的方法。 柔性版印刷套筒易于轴向安装在具有外圆柱形壁的互补圆柱形印刷滚筒上并可拆卸。 该方法包括提供套筒主体。 将一层低温可固化的聚合物材料提供到套筒主体的外圆周表面。 然后将低温可固化聚合物材料在不大于约150°F的温度下固化,以形成具有基本上均匀程度的硬度的聚合材料的硬化层,而不损坏或扭曲套筒本体。 除去聚合物材料的硬化层的一部分以产生具有高达约0.100“的厚度的柔性版印刷套筒,以及包括至少约0.375”的接合距离的印模范围,而印刷品中没有任何明显的可见减少 性能。 打印性能包括在机器方向上不大于约0.0005“的打印点变形,并且在横向方向上不大于约0.0002”。