Patent ID: 7578161

Claim:
A swedging tool for expanding an end of a first metal tube having a first inner diameter and a first outer diameter and an end of a second metal tube having a second inner diameter and a second outer diameter comprising a swedging body having a die section for expanding the first metal tube when driven thereinto; and a flanged shank attached to said swedging body and configured for engagement by a powered impact hammer, said die section comprising: a cylindrical first body section having a diameter that is equal to the first inner diameter of the first metal tube, and a cylindrical second body section having a diameter that is equal to the first outer diameter the first metal tube, and a first chamfered transition from said first body section to said second body section, and a cylindrical third body section having a diameter that is about equal to the second outer diameter of the second metal tube, and said cylindrical second body section having a diameter that is about equal to the second inner diameter the second metal tube, and a second chamfered transition from said second body section to said third body section.