Patent ID: 7168143
Filing Date: 2007-01-30
Classification: B21D,B23P,Y10T

Abstract:
1. A tube extraction device for removing a tube from a tube hole in a drum, the tube extraction device comprising: a housing mounted over an exterior surface of the drum, the housing having an opening for receiving a part of the tube; a wedge having a slanted face and a bottom protruding edge, the wedge being slidably mounted in the housing; at least one side thrusting ram slidably mounted in the housing, the side thrusting ram configured to laterally move the wedge so that the slanted face indents the tube inwardly; and at least one drive down ram slidably mounted in the housing, the drive down ram configured to drive the bottom protruding edge down in between the indented tube and tube hole so that the tube collapses in the tube hole.