Nested packaging trays produced by a rotary pulp molding machine having different sets of molding dies
    2.
    发明授权
    Nested packaging trays produced by a rotary pulp molding machine having different sets of molding dies 失效
    由具有不同成型模具的旋转式粉碎机生产的包装包装纸

    公开(公告)号:US3654076A

    公开(公告)日:1972-04-04

    申请号:US3654076D

    申请日:1969-09-29

    申请人: KEYES FIBRE CO

    发明人: HATCH WILFRED E

    CPC分类号: D21J5/00 B65D1/34 B65D21/045

    摘要: Apparatus for producing stack of nested articles comprises first and second sets of plural molding dies mounted in alternating fashion for shifting motion along an endless path past an article molding station. The first and second sets of plural molding dies have anti-jamming steps which are different in location from one another. Mechanical stacker places molded articles in nested fashion one above other in order articles are delivered to stacker. Article handling structure transfers articles from molding dies to stacker in same order articles are formed. Mechanical stacker produces stack of nested articles with every even numbered article therein having been molded on first set of molding dies and every odd numbered article having been molded on second set of molding dies.