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    • 6. 发明授权
    • Plate-making apparatus for stencil printing and stencil printing machine
    • 用于模版印刷和模版印刷机的制版设备
    • US07448319B2
    • 2008-11-11
    • US11859537
    • 2007-09-21
    • Yoshihide SugiyamaYasunari Okagaito
    • Yoshihide SugiyamaYasunari Okagaito
    • B41C1/14
    • B41C1/144B41N1/24B41N1/245
    • A plate-making apparatus for stencil printing includes a plate feed section which feeds the heat-sensitive stencil plate that is an extended thermoplastic resin film with a predetermined thickness, and a heater to form ink-permeable openings in the film by heating the film, in which an opposite side surface to the minute recess side of the film is heated by the heater, the heater is a thermal head, a tensile stress at the time of extension internally remains in said thermoplastic resin film, an energy output of the thermal head for heating sufficiently satisfies to fuse-penetrate a thin closing portion of the minute recess, but it is restricted to the range which does not fuse-perforate a thick portion except the recess portion of the film, so that the openings are formed by the heated fused portion communicating the minute recess.
    • 用于模版印刷的制版装置包括:将具有预定厚度的延伸热塑性树脂膜的热敏蜡纸进给的板进给部分和加热器,以通过加热该薄膜来在该膜中形成油墨可透过的开口, 其中薄膜的微小凹陷侧的相对侧表面被加热器加热,加热器是热敏头,在所述热塑性树脂膜中内部保留延伸时的拉伸应力,热敏头的能量输出 用于加热足以熔化穿透微小凹部的薄的封闭部分,但是限于不会熔化除了薄膜的凹部之外的厚部分的熔接孔的范围,使得开口由加热的 连通微小凹槽的熔融部分。