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    • 4. 发明授权
    • End seal for an ink chamber of a printing machine
    • 印刷机油墨室的端部密封
    • US09085131B1
    • 2015-07-21
    • US13491716
    • 2012-06-08
    • Mark E. Van Denend
    • Mark E. Van Denend
    • B41F9/06B41F31/02F16J15/16F16J15/02
    • B41F9/068B41F31/027F16J15/024F16J15/027F16J15/16
    • An end seal for a fluid chamber which supplies fluid to a roll, includes a generally parallelepiped compressible member having first and second opposite sides and including a first end section having a first inclined planar upper surface, a second end section having a second inclined planar upper surface, and a central section which connects together the first and second end sections, the central section having an arcuate upper surface for receiving the roll, the arcuate upper surface connected to the first and second inclined planar upper surfaces at respective apices; and at least one pressure relieving recess positioned in the compressible member at a position below at least one apex, each pressure relieving recess extending through one side of the compressible member and terminating short of the opposite side of the compressible member so as to define a membrane of the compressible member thereat.
    • 用于向辊提供流体的流体室的端部密封件包括具有第一和第二相对侧的大致平行六面体的可压缩构件,并且包括具有第一倾斜平面上表面的第一端部区段,具有第二倾斜平面上表面的第二端部区段 表面和连接在一起的第一和第二端部的中心部分,中心部分具有用于接收辊的弓形上表面,该弧形上表面在相应的顶点连接到第一和第二倾斜平面上表面; 以及至少一个位于可压缩构件的至少一个顶点下方的位置处的减压凹槽,每个减压凹槽延伸穿过可压缩构件的一侧并且终止于可压缩构件的相对侧,以限定膜 的可压缩构件。
    • 6. 发明公开
    • AN INK RESERVOIR AND DOCTOR BLADE ASSEMBLY
    • US20240336059A1
    • 2024-10-10
    • US18291629
    • 2022-09-14
    • Primeblade Sweden AB
    • Kaplan Bartek
    • B41F31/02B41F3/81B41F5/24B41F9/06B41F31/04B41F31/06
    • B41F31/027B41F3/81B41F5/24B41F9/068B41F31/04B41F31/06
    • The invention provides a combination of an ink reservoir and doctor blade assembly (2) and a rotatable cylinder (3) for a printing press, which form a chamber for containing ink, —wherein the ink reservoir and doctor blade assembly (2) comprises a scaling assembly (203) for scaling an axial end of the chamber, or sealing a sub-chamber of the chamber from another sub-chamber of the chamber, —wherein the sealing assembly (203) comprises a seal (2031) presenting a seal contour (SC) to sealingly engage a circumferential surface of the cylinder (3), and a flexible biasing device (2032) forming one or more cavities (2041-2043), and being arranged to receive a pressurized fluid in the one or more cavities (2041-2043), for biasing the seal (2031) into sealing engagement with the cylinder (3), —wherein the combination is arranged according to one or both of the following alternatives (a) and (b): —(a): in an axis perpendicular plane, which is perpendicular to the rotational axis of the cylinder (3) and coincides with a cross-section of the biasing device, the biasing device (2032) has a peak (2032P) or a summit (2032S) which is located within an extension (EXTSC) of the seal contour (SC) along a reference plane (RP) which coincides with the rotational axis of the cylinder (3) and which is perpendicular to a seal location plane (SLP) which coincides with the rotational axis of the cylinder (3) and a circumferential mid-point of the seal contour (SC), —(b): the biasing device presents one or more surfaces which extend, in the axis perpendicular plane, in parallel with the seal location plane (SLP), and which face at least partly away from the seal location plane (SLP), and/or one or more surfaces which face partly away from the reference plane (RP), and the seal (2031) covers any such surface.