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    • 4. 发明授权
    • Air carrier spacer sleeve for a printing cylinder
    • 用于印刷滚筒的空气载体间隔套
    • US5819657A
    • 1998-10-13
    • US939536
    • 1997-09-29
    • Felice Rossini
    • Felice Rossini
    • B41F13/10B41F27/10B41F13/16
    • B41F13/10B41F27/105
    • A cylindrical spacer sleeve is interposed between a printing sleeve, which carries printing matrices, and a printing cylinder. The spacer sleeve has an innermost core member that is expandable by interposition of air pressure between the inner surface of the core member and the outer surface of the printing cylinder. In an alternative embodiment, the core member is not expandable. The outer surface of the spacer sleeve torsionally rigidly supports by an interference fit, the printing sleeve. A rigid bridge layer is disposed between the outer surface and the core member. The spacer sleeve has a plurality of air channels through which pressurized air is supplied from within the bridge layer to the outer surface. In one embodiment, the bridge layer includes a pair of axially spaced apart spacer rings. Pressurized air flowing through the channels assists in expanding the diameter of the innermost surface of the printing sleeve for alternatively mounting the printing sleeve onto the spacer sleeve and dismounting the printing sleeve from the spacer sleeve.
    • 圆柱形间隔套筒插入在承载印刷基质的印刷套筒和印刷滚筒之间。 间隔套筒具有最内芯部件,其可以通过在芯部件的内表面和印刷滚筒的外表面之间插入气压来扩张。 在替代实施例中,芯构件不可扩展。 间隔套的外表面通过过盈配合扭转地刚性地支撑着印刷套筒。 刚性桥接层设置在外表面和芯构件之间。 间隔套筒具有多个空气通道,加压空气通过该空气通道从桥接层内供应到外表面。 在一个实施例中,桥接层包括一对轴向间隔开的间隔环。 流过通道的加压空气有助于扩大印刷套筒的最内表面的直径,以便将打印套筒替代地安装到间隔套筒上,并将印刷套筒从间隔套筒上拆下。
    • 5. 发明申请
    • BRIDGED SLEEVE/CYLINDER AND METHOD OF MAKING SAME FOR WEB OFFSET PRINTING MACHINES
    • 桥式冲压机及其制造方法
    • US20100307356A1
    • 2010-12-09
    • US12864700
    • 2009-02-03
    • Felice Rossini
    • Felice Rossini
    • B41F13/10
    • B41N6/00B41N10/04B41N2210/04B41N2210/14
    • A method of making a bridged blanket sleeve or bridged blanket mandrel for an offset printing machine or rotary printing machine includes forming an intermediate bridge section between an outermost single blanket layer and an innermost core layer or the outer surface of the mandrel. The intermediate section of the sleeve or mandrel so made can include one or more intermediate bridge layers. A bridged blanket sleeve or a bridged blanket mandrel for an offset printing machine or rotary printing machine includes an intermediate bridge section between an outermost single blanket layer and an innermost core layer or the outer surface of the mandrel. The intermediate section of the sleeve or mandrel can include one or more intermediate bridge layers.
    • 制造用于胶版印刷机或旋转印刷机的桥接橡皮布套筒或桥接橡皮布芯轴的方法包括在最外单层橡皮布层和最内层芯层或心轴外表面之间形成中间桥接部分。 如此制造的套筒或心轴的中间部分可以包括一个或多个中间桥接层。 用于胶版印刷机或旋转印刷机的桥接橡皮布套筒或桥接橡皮布芯轴包括在最外单层橡皮布层和最内芯层之间的中间桥接部分或心轴的外表面。 套筒或心轴的中间部分可以包括一个或多个中间桥接层。
    • 6. 发明授权
    • High-rigidity adapter sleeve for printing cylinders
    • 用于印刷滚筒的高刚性适配器套筒
    • US08844441B2
    • 2014-09-30
    • US12638554
    • 2009-12-15
    • Felice Rossini
    • Felice Rossini
    • B41F13/08B41F27/10B41F27/14
    • B41F27/14B41F27/105
    • An adapter sleeve has an external layer for supporting a printing cylinder carrying data and/or images to be printed. The adapter sleeve has an internal layer defining a bore enabling the sleeve to be mounted onto a rotary mandrel of a printing machine. Each opposite extreme end of the adapter sleeve includes a rigid, load-bearing, radial spacer member disposed between the layers to provide rigidity and indeformability during the use of the sleeve with time. The inner surface of each of the extreme end radial spacer members is defined by rigid and non-deformable material of very low coefficients of dynamic and static friction.
    • 适配器套筒具有用于支撑承载要打印的数据和/或图像的印刷滚筒的外部层。 适配器套筒具有限定孔的内部层,使得套筒能够安装到印刷机的旋转心轴上。 适配器套筒的每个相对的末端包括设置在层之间的刚性的承载的径向间隔件,以在套筒随时间的使用期间提供刚性和不可变形性。 每个极端径向间隔件的内表面由非常低的动态和静摩擦系数的刚性和不可变形的材料限定。
    • 8. 发明授权
    • Concentric double sleeve for a rotary printing cylinder
    • 用于旋转印刷滚筒的同心双套筒
    • US5782181A
    • 1998-07-21
    • US613895
    • 1996-03-11
    • Felice Rossini
    • Felice Rossini
    • B41F27/06B41F13/10B41F13/11B41F27/10B41F9/06
    • B41F27/105
    • An inner sleeve portion in the form of a spacer sleeve is disclosed for being torsionally rigidly mounted on a rotogravure or flexographic mandrel that is to be rotated about its axis when used in a printing machine. The outer surface of the inner sleeve portion torsionally rigidly supports by an interference fit, an outer sleeve portion (the printing sleeve) that carries the printing matrices. The inner sleeve portion has a plurality of air channels extending from the inner surface through the outer surface. Pressurized air flowing through the channels assists in expanding the diameter of the innermost surface of the outer sleeve portion for alternatively mounting the outer sleeve portion onto the inner sleeve portion and dismounting the outer sleeve portion from the inner sleeve portion.
    • 公开了一种间隔套形式的内套筒部分,用于扭转地刚性地安装在轮转凹版印刷或柔性版心轴上,该凹版印刷或柔性版心轴在用于印刷机时绕其轴线旋转。 内套筒部分的外表面通过过盈配合扭转地刚性支撑,承载印刷基质的外套筒部分(印刷套筒)。 内套筒部分具有从内表面穿过外表面延伸的多个空气通道。 流过通道的加压空气有助于扩大外套筒部分的最内表面的直径,以便将外套筒部分可选地安装到内套筒部分上,并将外套筒部分从内套筒部分拆下。
    • 9. 发明授权
    • Deformable mandrels for rotary printing cylinders
    • 旋转印刷滚筒的可变形心轴
    • US5735206A
    • 1998-04-07
    • US613897
    • 1996-03-11
    • Felice Rossini
    • Felice Rossini
    • B41F27/10B41F13/08
    • B41F27/105
    • A printing cylinder mandrel (1) arranged to support a sleeve mounted on it and carrying the print characters, the mandrel (1) being surface-deformable and able to assume at least two configurations, in one of which the sleeve can be mounted on it and in the other of which the sleeve is torsionally locked to it, the mandrel (1) comprising a core (2) the surface of which is covered with a deformable element (8), between this latter and said core there being provided a plurality of intercommunicating perimetral chambers (10) containing an incompressible fluid; the mandrel (1) internally houses presser means (20) arranged to pressurize said fluid in order to achieve the surface deformation of the mandrel (1) and the torsional coupling and locking of the sleeve, said presser means (20) being guidedly movable within the mandrel (1) and being activated by feeding into this latter a pressurized fluid.
    • 一种印刷滚筒芯轴(1),其布置成支撑安装在其上并承载打印字符的套筒,所述心轴(1)是可表面变形的并且能够呈现至少两种构型,其中一个可以将套筒安装在其上 并且在其中另一个中,套筒被扭转地锁定在其上,心轴(1)包括其表面被可变形元件(8)覆盖的芯(2),其间在后者和所述芯之间提供多个 包含不可压缩流体的相互连通的周边室(10); 心轴(1)内部容纳压力装置(20),压力装置(20)设置成对所述流体加压,以便实现心轴(1)的表面变形和套筒的扭转联接和锁定,所述压紧装置(20)能够在 心轴(1)并且通过向其中供给加压流体而被激活。