Method of making polypropylene printing plate using paper matrix
    1.
    发明授权
    Method of making polypropylene printing plate using paper matrix 失效
    使用纸基制造聚丙烯印版的方法

    公开(公告)号:US4297263A

    公开(公告)日:1981-10-27

    申请号:US669817

    申请日:1976-03-24

    CPC分类号: B41C3/06

    摘要: A method of making a polypropylene printing plate using a paper matrix in which a roll and an opposing member are prepared, a paper matrix is attached to one of the roll and opposing member, a crystalline ethylene-propylene copolymer having a MFI (melt flow index) of 3.about.10, containing ethylene less than 20% by weight and tensile yield strength of 220.about.330 kg/cm.sup.2 is continuously fed under molten state between the roll and the opposing member, and then the crystalline ethylene-propylene copolymer is pressed and cooled to be hardened.Further, a reproducing printing plates consists of a crystalline ethylene-propylene copolymer whose melt flow index is selected in a range of 3.about.10, which contains ethylene less than 20 weight % and which has the tensile yield strength of 220.about.330 kg/cm.sup.2.

    摘要翻译: 使用其中制备辊和相对构件的纸基体制造聚丙烯印刷板的方法,将纸基附着到辊和相对构件中的一个上,将具有MFI(熔体流动指数)的结晶乙烯 - 丙烯共聚物 )含有小于20重量%的乙烯和220℃的拉伸屈服强度为330kg / cm2的3差10在辊和相对构件之间在熔融状态下连续进料,然后压制结晶乙烯 - 丙烯共聚物, 冷却硬化。 此外,再现印版由结晶乙烯 - 丙烯共聚物组成,其熔体流动指数选择在3分之10的范围内,其含有小于20重量%的乙烯,并且其拉伸屈服强度为220分辨率为330千克/厘米2 。

    Self-metering liquid retentive pad and process for producing same
    2.
    发明授权
    Self-metering liquid retentive pad and process for producing same 失效
    自动计量液体保持垫及其制造方法

    公开(公告)号:US4226886A

    公开(公告)日:1980-10-07

    申请号:US12948

    申请日:1979-02-16

    申请人: A. Dale Lakes

    发明人: A. Dale Lakes

    摘要: The present invention relates to a pad capable of high liquid retention and capable of self-metering of liquid from the pad upon application of pressure. Such pads are highly desirable in lubricating applications and serve well as printers and ink reservoir for computers, markers and printing machines. The process comprises mixing a void former, typically a non-reactive salt of a size range chosen between 2 and 450 microns with a polymeric material in a weight ratio of 2.5:1 to 10:1 salt to polymer. The polymer is heated and the salt dispersed therein to form a salt-polymer composite. The composite is fed to an extruder and extruded to a desired shape, a dense skin being formed on the surface of the extruded polymer. Subsequently, the extruded polymer is cut, the salt is leached from the polymeric matric with a suitable solvent, and the leached extruded polymeric matrix is dried. The skin layer has narrower channels and a lower void volume than the adjacent reservoir column. The pad thus formed is then filled with liquids using conventional methods.

    摘要翻译: 本发明涉及一种能够保持高液体并能够在施加压力时自动计量来自垫的液体的垫。 这种垫在润滑应用中是非常需要的,并且作为打印机和用于计算机,标记和印刷机的油墨储存器。 该方法包括将空隙形成剂,通常为2至450微米尺寸范围内的非反应性盐与聚合物的重量比为2.5:1至10:1的盐与聚合物混合。 将聚合物加热并将盐分散在其中以形成盐 - 聚合物复合物。 将复合材料进料到挤出机并挤出成所需的形状,在挤出的聚合物的表面上形成致密的表皮。 随后,将挤出的聚合物切割,用合适的溶剂从聚合物基质中浸出盐,并将浸出的挤出的聚合物基质干燥。 表层具有较窄的通道和比相邻储层柱更低的空隙体积。 然后用常规方法用如此形成的垫填充液体。

    Method for manufacturing an ink-containable stamp
    3.
    发明授权
    Method for manufacturing an ink-containable stamp 失效
    油墨容纳印章的制造方法

    公开(公告)号:US3932251A

    公开(公告)日:1976-01-13

    申请号:US470494

    申请日:1974-05-16

    申请人: Tomoji Tanaka

    发明人: Tomoji Tanaka

    CPC分类号: B41C1/18 B41C3/06

    摘要: A method for manufacturing an ink-containable stamp used for a printer of a computer or the like is disclosed, wherein a number of printing types and a drum or plate are moulded from a mixture comprising synthetic resin consisting of polyvinyl acetate resin and polyolefin resin, fillers, stabilizers, plasticizers and pigments, irradiated with gamma-rays, immersed in an enzymatic solution and then in an acid solution. The type and drum or plate are then assembled to form a printing element.

    摘要翻译: 公开了一种用于计算机等的打印机的油墨容纳印模的制造方法,其中由包含由聚乙酸乙烯酯树脂和聚烯烃树脂组成的合成树脂的混合物来模制多种印刷类型和滚筒或印版, 填充剂,稳定剂,增塑剂和颜料,用γ射线照射,浸入酶溶液中,然后浸入酸溶液中。 然后组装类型和鼓或板以形成打印元件。

    Method of making a flexible letterpress mat
    4.
    发明授权
    Method of making a flexible letterpress mat 失效
    制作柔性胶印的方法

    公开(公告)号:US3668032A

    公开(公告)日:1972-06-06

    申请号:US3668032D

    申请日:1970-10-26

    申请人: MCCALL CORP

    IPC分类号: B41C3/06 B41C3/08 B29C17/04

    摘要: A first portion of a sheet of thermoplastic material is placed on the face of an engraved master plate, and the plate and sheet are positioned between the platens of a hydraulic press. The first portion of the sheet and the master plate are pre-heated and are then pressed together to mold an impression of the face within the first portion of the sheet. The master plate and sheet portion are cooled while the pressure is maintained, after which the pressure is released and the sheet is shifted laterally a precise predetermined distance relative to the master plate while maintaining the angular orientation of the sheet, to position a second portion of the sheet over the face of the master plate. The steps of pre-heating, pressing, cooling and releasing are then repeated to produce a flexible mat having a pair of identical impressions in precise spaced relation and corresponding angular orientation. One or more metal layers are electrolytically deposited on the mat, and the resulting thin sheet of deposited metal is separated from the mat and laminated to a pre-curved reinforcing plate which is trimmed along its edge.

    Method of making relief printing plates employing informed absorbing pick sheet
    5.
    发明授权
    Method of making relief printing plates employing informed absorbing pick sheet 失效
    制作消费者印刷版的方法

    公开(公告)号:US3605620A

    公开(公告)日:1971-09-20

    申请号:US3605620D

    申请日:1969-08-04

    申请人: BURROUGHS CORP

    发明人: MUELLER WILLIAM J

    IPC分类号: B41C3/06 B41N1/00

    CPC分类号: B41C3/06

    摘要: AN IMPROVED METHOD FOR PROCESSING A COMPOSING MEMBER HAVING A HEAT SENSITIVE POLYMER DISPERSION COATING ON A STABLE BASE SUCH AS PLASTIC, USING INFRARED RADIATION AND NO SOLVENTS OR ETCHANTS TO FORM A RELIEF PRINTING PLATE. INFRARED ABSORBING INDICIA ARE PLACED IN THERMAL CONTACT WITH THE COATING AND THE COATING IS THEREBY SELECTIVELY HEATED THROUGH THE APPLICATION OF NEAR INFRARED RADIATION. THE COATING, NOW HAVING FUSED PORTIONS CORRESPONDING TO THE INDICIA, IS PLACED IN PHYSICAL CONTACT WITH A PICK SHEET AND IN THERMAL CONTACT WITH A TOTAL INFRARED ABSORBING MEDIUM. THE COATING THE PICK SHEET AND THE TOTAL INFRARED ABSORBING MEDIUM ARE ARRANGED SUCCESSIVELY OUTWARDLY FROM THE INFRARED SOURCE.

    THE PREVIOUSLY UNFUSED PORTIONS OF THE COATING FUSE AND ADHERE TO THE PICK SHEET. WHEN THE PICK SHEET IS PEEDED OFF, THE PREVIOUSLY FUSED PORTIONS CORRESPONDING TO THE INDICIA, REMAIN ADHERE TO THE BASE TO FORM A RELIEF PRINTING MEMBER. THE PREVIOUSLY UNFUSED PORTIONS ARE NOW FUSED TO THE PICK SHEET AND MAY BE USED AS AN INTAGLIO PRINTING MEMBER, IF DESIRED.

    Apparatus for making letterpress plates
    7.
    发明授权
    Apparatus for making letterpress plates 失效
    用于制作照明板的装置

    公开(公告)号:US3568595A

    公开(公告)日:1971-03-09

    申请号:US3568595D

    申请日:1967-08-28

    申请人: MCCALL CORP

    IPC分类号: B41C3/06 B41C3/08 B41N1/10

    摘要: A hydraulic press supporting a lower press member including a center and end sections each having an internal passageway and with an engraved master plate mounted on the center section, an automatically controlled system for circulating cooling fluid through the passageways in the end sections and alternately circulating cooling and heating fluid through the passageway in the center section for preheating and cooling the plates, a thermoplastic sheet of material pressed against the preheated plate by an upper press member having a resilient blanket and held until the plate and sheet are cooled, and a frame slidably mounted on the lower press member for shifting the sheet a predetermined distance to form a flexible mat having a pair of identical impressions in precise registration for use in producing a two-on plate for a letterpress.

    摘要翻译: 将热塑性材料片的第一部分放置在雕刻的主板的表面上,并将板和片定位在液压机的压板之间。 片材和母板的第一部分被预热,然后被压在一起以在片材的第一部分内模制面部的印模。 在保持压力的同时冷却主板和片材部分,然后释放压力,并且在保持片材的角度取向的同时,片材相对于母板横向偏移精确的预定距离,以将片材的第二部分 主板上的表面。 然后重复预热,压制,冷却和释放的步骤,以产生具有精确间隔关系和对应角度取向的一对相同印模的柔性垫。 将一个或多个金属层电解沉积在垫上,并将所得的沉积金属薄片与垫分离并层压到沿其边缘修剪的预弯曲加强板。