Production of corrugated cardboard
    1.
    发明授权
    Production of corrugated cardboard 失效
    生产瓦楞纸板

    公开(公告)号:US4368094A

    公开(公告)日:1983-01-11

    申请号:US195520

    申请日:1980-10-09

    CPC分类号: B31F1/2854

    摘要: Apparatus for the production of a corrugated cardboard having a cover-lining on at least one side, with an upper grooved roll and a lower grooved roll which have outwardly open annular grooves in distribution over their length, to which a suction source is connected through nozzles held by carriers, of which nozzles two in each case are arranged opposite to one another in the region of the paper web entry and exit of the lower grooved roll, fitting into an annular groove, characterized in that each annular groove (12) has a width substantially less than its depth, in that each nozzle (13, 13') which fittingly fills the annular groove possesses a pressed-flat pipe end (14, 14') and in that at least the outer nozzles of the nozzles arranged in a row are connectable additionally to an air blast source (32).

    摘要翻译: 用于生产在至少一侧具有盖衬的瓦楞纸板的设备,具有上槽辊和下槽辊,其具有在其长度上分布的向外开放的环形槽,吸入源通过喷嘴连接到该槽 其中每个壳体中的两个喷嘴在下槽辊的纸幅入口和出口的区域中彼此相对地布置,装配到环形槽中,其特征在于,每个环形槽(12)具有 其宽度远小于其深度,因为适合填充环形凹槽的每个喷嘴(13,13')具有压扁管端(14,14'),并且至少喷嘴的外喷嘴 排可以另外连接到鼓风源(32)。