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    • 1. 发明申请
    • PRINTING APPARATUS FOR OFFSET PRINTING, PRINTING BELT AND PRINTING ROLLER THEREFOR, AND METHOD FOR THE MANUFACTURE OF SUCH A PRINTING BELT AND PRINTING ROLLER
    • 用于偏移打印,打印皮带和打印辊的打印设备,以及制造这种打印带和打印滚筒的方法
    • WO1992001561A1
    • 1992-02-06
    • PCT/NL1991000131
    • 1991-07-19
    • DRUKBAND B.V.SCHOEN, David
    • DRUKBAND B.V.
    • B41F17/02
    • B41F17/007
    • A printing apparatus comprises a printing roller (1) provided with a profile which contains raised (8) and lowered (9) parts in circumferential direction, a printing belt (3) provided at one side with a complementary profile, and an opposite roller (2) which together with the printing roller (1) determines a nip through which the printing belt (3) runs, in such a way that its profile side interacts with the printing roller, and its printing side interacts with the impression roller, which printing belt (3) is composed of an interlocked strip of plate material which is flexible as regards bending and is rigid as regards deformations in its plane, on one side of side of which a profiling of another, for instance rubber-like, material is provided. Preferably, the profiling is carried out in the form of conical projections (6) distributed at regular intervals over the plate surface in question, and the printing roller (3) is provided with complementary recesses (9) distributed in a corresponding manner over its surface.
    • 一种印刷装置,包括:印刷辊(1),其具有在圆周方向上包含凸起(8)和下降部分(9)的轮廓;印刷带(3),设置在一侧具有互补轮廓;以及相对辊 2)其与印刷辊(1)一起确定打印带(3)穿过的辊隙,使得其轮廓侧与印刷辊相互作用,并且其印刷侧与压印辊相互作用,该印刷辊 带(3)由互锁的板状材料制成,该板材在弯曲方面是柔性的,并且在其平面中的变形是刚性的,其一侧的另一侧具有例如橡胶状材料的成形 。 优选地,成形是以规则间隔分布在所述板表面上的锥形突起(6)的形式进行的,并且印刷辊(3)设置有互补的凹部(9),其以相应的方式分布在其表面上 。