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    • 1. 发明授权
    • Rotary stencil printer having printing drum having outer peripheral wall
portion substantially made of only net material
    • 具有印刷鼓的旋转模版印刷机,其具有基本仅由网材料制成的外周壁部分
    • US4911069A
    • 1990-03-27
    • US302194
    • 1989-01-27
    • Noboru HayamaYoshiharu OhinataKazuo Sakamoto
    • Noboru HayamaYoshiharu OhinataKazuo Sakamoto
    • B41L13/04B41F15/08B41F15/44B41L13/10B41L13/18
    • B41F15/44B41F15/0809
    • In a rotary stencil printer having a printing drum supported to be rotatable about a central axis thereof and having a cylindrical outer surface adapted to bear a perforated stencil sheet as attached therearound and formed with openings for supplying ink to an inside surface of the perforated stencil sheet, and a back press roller supported to be rotatable about a central axis thereof extending in parallel with the central axis of the printing drum and having a cylindrical outer surface which defines a nip area with the cylindrical outer surface of the printing drum therebetween for nipping and transferring a printing sheet therethrough. The printing drum has an outer peripheral wall portion substantially made of only a net material constructed by weaving or knitting filaments to provide the cylindrical outer surface thereof formed with the openings, and an internal press roller is provided so as to engage the outer peripheral wall portion at a radially inside surface thereof and to press the outer peripheral wall portion radially outwardly toward the back press roller, thereby locally elastically deforming the net material to traverse a nip area clearance when a printing sheet is supplied in the nip area.
    • 在具有被支撑为能够围绕其中心轴线旋转的印刷鼓的旋转模版印刷机中,并且具有圆柱形外表面,该圆柱形外表面适于承载穿过其上的穿孔模版,并且形成有用于将油墨供应到穿孔模版的内表面的开口 以及背压辊,其被支撑为能够围绕其与印刷鼓的中心轴线平行延伸的中心轴线旋转,并且具有圆柱形外表面,该圆柱形外表面与印刷鼓的圆柱形外表面限定夹持区域,用于夹持和 转印印刷纸。 印刷滚筒的外周壁部分大致仅由通过编织或编织细丝构成的网状材料构成,以提供其形成有开口的圆柱形外表面,并且设置内压辊以与外周壁部分 在其径向内表面上并且将外周壁部分向外径向向后压辊挤压,从而当打印片材被供给到辊隙区域时,网状材料局部地弹性变形以横过辊隙区域间隙。
    • 3. 发明授权
    • Rotary stencil printer with printing drum of net cylindrical body
radially outwardly expandable in full circumference
    • 旋转模版印刷机,其底部圆柱体的印版滚筒可全向径向向外扩展
    • US5060567A
    • 1991-10-29
    • US626831
    • 1990-12-13
    • Noboru HayamaYoshiharu Ohinata
    • Noboru HayamaYoshiharu Ohinata
    • B41L13/04B41L13/06
    • B41L13/06
    • In a rotary stencil printer having a printing drum made of two annular members connected by a transverse bar member and a net member of woven, non-woven or knitted fibers of a rectangular shape in development wound around the two annular members with opposite side edge belt portions thereof being slidably laid on outer circumferential surfaces of the annular members so as to form a porous cylindrical body for mounting a stencil sheet as wound therearound, a back press roller of a diameter common with the printing drum disposed to face an outside surface of the printing drum so as to define a print sheet nip region with the printing drum therebetween and having a groove in an outside surface portion thereof adapted to receive the transverse bar member therein in meeting therewith in synchronized rotations of the printing drum and the back press roller in opposite directions, and an inner press roller disposed in an inside space of the printing drum so as to contact with an inside surface of the porous cylindrical body along a generatrix thereof, the transverse bar member is spaced radially outwardly from a cylindrical outer configuration of the porous cylindrical body at a portion thereof facing the porous cylindrical body so that the inner press roller can traverse a portion facing the transverse bar member with no collision therewith.
    • 在具有由横向杆构件连接的两个环形构件的印刷鼓和具有相对侧边带的两个环形构件周围缠绕的矩形形状的编织的无纺布或针织纤维的网状构件的旋转模版印刷机中, 其部分可滑动地铺设在环形构件的外圆周表面上,以便形成多孔圆柱形主体,用于安装周围卷绕的蜡纸,与印刷鼓共同的直径的背压辊设置成面对 印刷鼓,以便在印刷鼓之间限定印刷纸张夹持区域,并且在其外表面部分中具有凹槽,其适于在其中与印刷滚筒和背压辊在同步转动中接收横向杆件 以及设置在印刷鼓的内部空间中以与内表面接触的内压辊 沿着母线的多孔圆柱体的横截面为横向杆状构件,其多孔圆柱形体的圆柱形外部构型在面向多孔圆柱体的部分处径向向外间隔开,使得内压辊可以横过面向 横杆构件与其没有碰撞。