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    • 2. 发明申请
    • Stencil printing machine with a wrinkle preventing mechanism for a stencil sheet
    • 模版印刷机具有用于蜡纸的防皱机构
    • US20010052297A1
    • 2001-12-20
    • US09880956
    • 2001-06-15
    • RISO KAGAKU CORPORATION
    • Kinya Ono
    • B41L013/04
    • B41L13/06B41L29/12
    • When a stencil sheet (M) is wound around an outer peripheral surface of a rotary cylindrical drum (24) in accordance with a rotation thereof, a leading end of the stencil sheet (M) is retained by a clamp plate (51) provided on the rotary cylindrical drum (24), and the stencil sheet (M) is conveyed while being guided by upper and lower guide plates (45, 46) and nipped between the lower guide plate (46) and a supporting member (48) attached to an underside of a swinging member (47). At this stage, predetermined tension is applied to the stencil sheet (M) by an urging force of the swinging member (47) to thereby prevent occurrence of wrinkles on the stencil sheet (M).
    • 当蜡纸(M)根据其旋转被卷绕在旋转圆柱形滚筒(24)的外周表面上时,蜡纸(M)的前端由设置在其上的夹板(51)保持 旋转圆筒形滚筒(24)和蜡纸(M)在被上下导板(45,46)引导的同时传送并夹在下引导板(46)和附接到下导板 摆动构件(47)的下侧。 在这个阶段,通过摆动构件(47)的作用力将预定的张力施加到蜡纸(M),从而防止在蜡纸(M)上产生褶皱。
    • 3. 发明授权
    • Sheet orienting apparatus
    • 片材取向装置
    • US3877696A
    • 1975-04-15
    • US41383673
    • 1973-11-08
    • PITNEY BOWES INC
    • MICIUKIEWICZ JOSEPH F
    • B41L29/12B65H9/10
    • B41L29/12B65H9/101
    • Disclosed is an apparatus for properly orienting a thin flexible lighographic master sheet prior to the master sheet being fed to and clamped onto the master sheet cylinder of a lithographic press. The apparatus is basically a flat tray with movable pushers mounted thereon for shifting a sheet deposited on the tray in a lateral direction with respect to the direction of travel of the sheet and also longitudinally along the direction of travel of the sheet in order to place the sheet in a precise predetermined position with respect to a take-away mechanism. The apparatus also includes a movable wire guide device which maintains the sheet in a flat condition while it is being oriented to prevent the sheet from buckling more than the very slight degree which is specifically provided for to assure proper orientation. The device is constructed to be self-powered and readily removable from the duplicating machine with which it is normally associated.
    • 公开了一种用于在将母板送入并夹持在平版印刷机的母版圆筒上之前适当地定向薄柔性薄片母版的设备。 该设备基本上是一个平板托盘,其上安装有可移动的推动器,用于相对于片材的行进方向在横向上移动沉积在托盘上的片材,并且还沿着片材的行进方向纵向地移动 片材相对于取出机构处于精确的预定位置。 该装置还包括可移动的线引导装置,其可将片材保持在平坦的状态,同时被定向以防止片材弯曲超过非常轻微的程度,这是特别用于确保正确定向的。 该设备被构造为自动供电并且容易地从与其通常相关联的复制机器移除。
    • 5. 发明授权
    • Sheet orienting apparatus
    • 片材取向装置
    • US3921974A
    • 1975-11-25
    • US51155874
    • 1974-10-03
    • PITNEY BOWES INC
    • MICIUKIEWICZ JOSEPH F
    • B41L29/12B65H9/10
    • B41L29/12B65H9/101
    • Disclosed is an apparatus for properly orienting a thin flexible lithographic master sheet prior to the master sheet being fed to and clamped onto the master sheet cylinder of a lithographic press. The apparatus is basically a flat tray with movable pushers mounted thereon for shifting a sheet deposited on the tray in a lateral direction with respect to the direction of travel of the sheet and also longitudinally along the direction of travel of the sheet in order to place the sheet in a precise predetermined position with respect to a take-away mechanism. The apparatus also includes a movable wire guide device which maintains the sheet in a flat condition while it is being oriented to prevent the sheet from buckling more than the very slight degree which is specifically provided for to assure proper orientation. The device is constructed to be self-powered and readily removable from the duplicating machine with which it is normally associated.
    • 公开了一种用于在将母版纸馈送到平版印刷机的母版卷筒之前并将其夹紧在平版印刷机的母版卷筒上之前将薄柔性平版印刷母版正确定向的装置。 该设备基本上是一个平板托盘,其上安装有可移动的推动器,用于相对于片材的行进方向在横向上移动沉积在托盘上的片材,并且还沿着片材的行进方向纵向地移动 片材相对于取出机构处于精确的预定位置。 该装置还包括可移动的线引导装置,其可将片材保持在平坦的状态,同时被定向以防止片材弯曲超过非常轻微的程度,这是特别用于确保正确定向的。 该设备被构造为自动供电并且容易地从与其通常相关联的复制机器移除。
    • 6. 发明授权
    • Printing plate attachment arrangement
    • 印版附件装置
    • US4403549A
    • 1983-09-13
    • US352751
    • 1982-02-26
    • Walter Matuschke
    • Walter Matuschke
    • B41F27/12B41L29/12
    • B41F27/1293B41F27/1262B41L29/12
    • To provide for smooth running of a plate cylinder with respect to associated rollers or cylinders, such as the blanket cylinder of an offset printing machine, the plate cylinder is formed with an engagement surface (3, 4) including an angle of less than 45.degree. with respect to the tangent of the plate cylinder at the intersection of the engagement surface and the cylindrical surface of the plate cylinder, and cover strips (8, 9) fitting over the plate and having an outer radius of curvature which corresponds to the radius of curvature of the plate cylinder with the plate (7) stretched thereover. The engagement surfaces are formed with holding pins (5, 6) to receive the plate. The outer surface of the cover strips, typically of steel, is hydrophilic and ink-rejecting, for example being knurled, roughened, or granulated to provide for clean margins, the length of the engagement surfaces matching the minimum margin adjacent the subject matter to be printed. When inserted, the cover strips, together with the plate cylinder, form a complete circular outline, thus preventing jolts and shocks from being transmitted to associated cylinders, while permitting a maximum of printed subject matter on a given length of web of paper with clean margins free from ink smear.
    • 为了提供相对于相关联的辊子或圆柱体(例如胶版印刷机的橡皮布滚筒)平滑运动印版滚筒,印版滚筒形成有包括小于45度角的接合表面(3,4) 相对于印版滚筒在接合表面和印版滚筒的圆柱形表面的交叉点处的切线以及安装在板上的盖条(8,9),并且具有与半圆形的半径对应的外半径 带有板(7)的印版滚筒的曲率在其上被拉伸。 接合表面形成有用于接收板的保持销(5,6)。 覆盖带的外表面(通常为钢)具有亲水性和拒墨性,例如滚花,粗糙化或造粒以提供清洁的边缘,接合表面的长度与主题相邻的最小边缘匹配为 印刷。 当插入时,盖板与印版滚筒一起形成一个完整的圆形轮廓,从而防止颠簸和冲击传递到相关联的滚筒,同时允许在给定长度的纸幅上具有清洁边距的最大印刷主题 没有油墨涂片。
    • 7. 发明授权
    • Stencil loading device
    • 模板加载装置
    • US3996853A
    • 1976-12-14
    • US585719
    • 1975-06-10
    • Albert George Ronald Gates
    • Albert George Ronald Gates
    • B41L29/12B41F15/08B41F15/38
    • B41L29/12
    • A stencil duplicator has a rotatable support which, in use, supports a stencil, and a feed path along which a stencil is advanced as it is loaded onto the support defined by a supporting roller spaced from the rotatable support and a smoothly arcuate guide surface extending over a considerable part of the feed path between the roller and the support. The arrangement is such that as a stencil, whose trailing part is supported by the supporting roller, is wound onto the rotatable support, it is drawn over the guide surface.
    • 模板复印机具有可旋转的支撑件,其在使用中支撑模板,以及馈送路径,当模板加载到由可旋转支撑件间隔开的支撑辊限定的支撑件上时,模板被提前沿该进给路径延伸,并且平滑的弧形引导表面延伸 在辊和支撑件之间的馈送路径的相当大的一部分上。 该布置使得作为其后部由支撑辊支撑的模板被卷绕到可旋转的支撑件上,其被拉伸在引导表面上。