Patent ID: 6022452
Filing Date: 2000-02-08
Classification: D21G,Y10T

Abstract:
An apparatus for chopping a first tail in a web in a first section of a papermaking machine and for guiding the first tail downstream to a next section of the papermaking machine, the first section having a first roll positioned relative to a second roll to form a nip therebetween through which and in direct contact therewith said web passes and follows the first roll, the improvement comprising:a tail cutter located upstream said nip for slitting the web to form an edge web portion and a main web portion;a waterjet cutting device located upstream of and adjacent to said nip having a nozzle oriented toward the edge web portion and the second roll for directing a waterjet towards said edge web portion and said second roll to sever the edge web portion and form the first tail in said web prior to said nip, and said waterjet wetting said second roll whereby the first tail passes through said nip and adheres to said second roll separating from the main web portion which continues to follow the first roll; and,a first doctor device located downstream of said nip adjacent said second roll for picking up the first tail from the second roll and guiding the first tail towards the next section.