Patent ID: 6122812
Filing Date: 2000-09-26
Classification: B21D,B62D,Y10T

Abstract:
A tool for connecting a first hollow structural part with a second structural part by means of an internal high-pressure deforming technique, having an oblong, radially expandable, elastic, hollow swelling body which is connected to an outside high pressure fluid line and, in a flexible condition under a fluid pressure, is introduced into said first hollow structural part which is enclosed by said second structural part,wherein the swelling body is enclosed on all sides in a pressure-tight manner, has a pressure connection to said outside high-pressure fluid line, and is provided with a tension device hindering axial expansions of the swelling body, wherein the swelling body is constructed as a hose piece which is closed on both ends in a pressure-tight manner by means of plugs, one of the plugs having a bore which forms the pressure connection leading to the outside.