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    METHOD AND MACHINE FOR MAKING PIECES OF A MULTILAYER, CYLINDRICAL TUBULAR ROD USED TO MAKE SUBSTANTIALLY CYLINDRICAL SMOKERS ARTICLES
    61.
    发明公开
    METHOD AND MACHINE FOR MAKING PIECES OF A MULTILAYER, CYLINDRICAL TUBULAR ROD USED TO MAKE SUBSTANTIALLY CYLINDRICAL SMOKERS ARTICLES 审中-公开

    公开(公告)号：EP3821721A1

    公开(公告)日：2021-05-19

    申请号：EP20207451.4

    申请日：2017-01-24

    申请人： G.D S.p.A.

    发明人： ESPOSTI, Marco ,  GAMBERINI, Giuliano ,  SARTONI, Massimo

    IPC分类号： A24C5/46 ,  A24D3/02

    摘要： A machine (100) for making pieces of a multilayer, cylindrical tubular rod (1) suitable for making substantially cylindrical smokers' articles comprises first means (101) for feeding at least a first continuous web (102), second means (103) for feeding a second continuous web (104), means (107) for forming a continuous, multilayer web (M) by superposing at least a first layer (2) and a second layer (5) and means (108) for feeding the continuous, multilayer web along a feed direction (X). Also provided are means (110) for forming the rod (1) around the feed direction (X) and means (111) for cutting the rod (1) into pieces. The machine (100) is configured to dispose the lateral edges (4, 7) of at least one between the first and the second layer (2, 5) in such a way as to make at least one end-to-end splice (3, 6) and is equipped with a preforming device for producing a central shaping in the continuous, multilayer web (M) extending along the middle of the continuous, multilayer web (M) along the feed direction (X). The machine (100) implements a method for making pieces of a multilayer, cylindrical tubular rod (1).