Patent ID: 7114675

Claim:
A winding machine for winding a web of material around a central core to produce a web roll, said machine comprising a leading winding drum having a surface and a succeeding winding drum having a surface, said leading and succeeding winding drums being aligned and cooperating to support a web roll therebetween in a primary winding position such that in said primary winding position said web roll will contact said leading winding drum at a leading contact point and said succeeding winding drum at a succeeding contact point, said leading and succeeding winding drums being further arranged such that said leading contact point is located in a horizontal plane above said succeeding contact point, said machine further comprising pretensioning means for tensioning said web of material prior to reaching said primary winding position during operation of said machine, a first friction roller effective to retractably engage and press said core against said leading winding drum, and a second friction roller effective to retractably engage and press said web roll against both said leading and succeeding winding drums in said primary winding position.