Patent ID: 7780052
Filing Date: 2010-08-24
Classification: A61F,B26D,B26F,Y10T

Abstract:
1. A system for removing chips from a web, the system comprising: a shoe for receiving a chip, said shoe rotating about an axis driven by a first shaft at a variable speed of revolution, said shoe rotating at a fixed distance from said axis throughout revolution; a transfer roll for receiving a portion of a web, said transfer roll rotating about the said axis driven by a second shaft concentric with said first shaft at a constant speed of revolution, said transfer roll rotating at a fixed distance from said axis throughout revolution at said fixed distance from said axis; said shoe initially rotating at said constant speed of revolution, next slowing in speed of revolution to allow said portion of said web to rip away from said chip at a leading rotational edge of said chip, next increasing in speed of revolution to allow said chip to rip away from said web at a trailing rotational edge of said chip.