Patent ID: 6928847
Filing Date: 2005-08-16
Classification: B21D

Abstract:
1. A roll forming system, comprising: a first roll including: a second roll defining a first axial location and a second axial location, including: wherein the side roll section of the second roll forms the flange in the strip with the side roll surface of the first roll if the first roll has the side roll section at the first axial location confronting the first side roll surface of the side roll section of the second roll, and wherein the annular groove of the second roll forms the flange in the strip with the side roll surface of the first roll if the first roll has the side roll section at the second axial location for fitting the annular groove of the second roll, wherein the first roll is selected from a group of rolls, and wherein the second roll is a common roll, the side roll section of the first roll selectively cooperating with the side roll section of the second roll or with the annular groove of the second roll, or forming the flange in the strip.