公开(公告)号：US20150259169A1

公开(公告)日：2015-09-17

申请号：US14435555

申请日：2013-09-19

Applicant: FUTURA S.P.A.

Inventor： Giovacchino Giurlani ,  Roberto Gaspari

IPC: B65H20/16

CPC classification number: B65H20/16 ,  B41F13/03 ,  B65H2301/522 ,  B65H2404/221 ,  B65H2701/1311 ,  B65H2701/1924

Abstract: Dragging element for dragging web materials comprising at least a portion with at least one through cut (2) apt to engage a part (40) of a web material (4) intended to be moved in a direction imposed by the same dragging element that follows a predetermined operating path, said at least one cut (2) is helicoidal.

Abstract translation: 拖曳元件，用于拖曳纤维网材料，其包括至少一部分，其具有至少一个通过切口（2）的部分，所述至少一个通过切口（2）适于接合旨在沿着由相同拖曳元件施加的方向移动的幅材材料（4）的部分（40） 预定的操作路径，所述至少一个切口（2）是螺旋形的。

公开(公告)号：US10343866B2

公开(公告)日：2019-07-09

申请号：US14435555

申请日：2013-09-19

Applicant: FUTURA S.P.A.

Inventor： Giovacchino Giurlani ,  Roberto Gaspari

IPC: B65H20/16 ,  B41F13/03

Abstract: Dragging element for dragging web materials comprising at least a portion with at least one through cut (2) apt to engage a part (40) of a web material (4) intended to be moved in a direction imposed by the same dragging element that follows a predetermined operating path, said at least one cut (2) is helicoidal.