Patent ID: 7597282
Filing Date: 2009-10-06
Classification: B65H

Abstract:
1. A web winding changeover apparatus provided in a turret winder having a first winding spindle and a second winding spindle, a first core being removably attached to said first winding spindle, a second core being removably attached to said second winding spindle, and said web winding changeover apparatus changing over from a web winding around said first core to said second core, comprising: a cutting drum disposed on a first side with respect to a transporting path of said web and having a cutter for cutting said web in a width direction thereof; a receiving drum having a cross section of a circular shape disposed on a second side with respect to said transporting path; a drum support arm for supporting each of said cutting drum and said receiving drum such that said cutting drum and said receiving drum rotate while peripheral surfaces of said cutting drum and said receiving drum contact each other at the time of cutting said web; a shifter for shifting said drum support arm between a web winding changeover position for pressing a peripheral surface of said receiving drum against said second core and a spacing position for keeping said peripheral surface of said receiving drum away from said second core; and a guide roller shifting between an approaching position and a retracted position, in said approaching position said guide roller approaching said transporting path to guide said web while preventing said web from contacting said receiving drum, and in said retracted position said guide roller retracting from said transporting path to cause said web to contact said receiving drum.