A tail gap winder transfers a web (12) from a first core to a second core by, immediately after the web is cut, pivoting the idler roller (22) to lengthen the distance between the idler roller and the rotating drum (24) to create a gap between the cut ends of the web; removing the first core (14) from the rotating drum surface (26) as the gap passes under the first core (14) location; moving the second core into contact with the rotating drum surface; and winding the incoming cut edge around the second core. The idler roller pivots toward the rotating drum to decrease the distance between the idler roller and rotating drum and to take up the extra length of web during the winding portion of the operating cycle.
申请公布号
WO0064793(A1)
申请公布日期
2000.11.02
申请号
WO1999US16319
申请日期
1999.07.19
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
ZACH, MARK, J.;VOLIN, LEONARD, M.;GOTH, GARY, J.;FONTAINE, JEFFREY, J.