Patent ID: 7314197

Claim:
web separating device for separating a continuously transported web into upstream and downstream web sections, wherein a guide leader is connected therewith after separation, said web separating device comprising: a cutting drum, disposed on a first side with respect to a web path of said web, and having a cutter for cutting said web in a width direction thereof; a cutting/joining drum, disposed on a second side with respect to said web path, for contacting said cutting drum with a peripheral surface thereof at a time of cutting; a first joining drum disposed on said first side with respect to said web path and downstream from said cutting drum, having said guide leader retained thereon, for contacting said cutting/joining drum with a peripheral surface thereof, and for attaching a rear end of said guide leader to a front end of said upstream web section after cutting with said cutting drum; a path forming unit, disposed between said cutting drum and said cutting/joining drum, and between said cutting/joining drum and said first joining drum, for allowing passage of said web from said cutting drum, said cutting/joining drum, and said first joining drum before and after being cut or attached; and a rotation control unit which controls rotation of said cutting drum, said cutting/joining drum, and said first joining drum in synchronism; wherein said front end of said upstream web section upon being cut is directed within an angular range of +10 degrees with reference to a vertically downward direction.