Patent ID: 7213430

Claim:
Tube-bending machine that comprises a fixed frame that has a carriage movable relative to said frame, means carried by said carriage to guide a tube to be bent and to immobilize the tube in rotation and translation, a bending head, a bending roller and a bending arm that both pivot about an axis (XX′) of said bending head in order to bend the tube clockwise and counterclockwise, said bending arm including a jaw support that moves horizontally in a direction of said bending head, said jaw support having a clamping jaw including at least one first jaw for engaging and bending the tube ( 4 ) clockwise and at least one second jaw for engaging and bending the tube counterclockwise, said first and second jaws being fixed to one another, said bending roller being fixed to said bending arm and including at least one third jaw for engaging and bending the tube clockwise and at least one fourth jaw for engaging and bending the tube counterclockwise, said third and fourth jaws being laterally offset relative to one another on opposite sides of said axis (XX′) of said bending head, said bending arm and said bending roller being pivoted at the same time about the axis (XX′) of said bending head as the tube is being bent clockwise or counterclockwise, a first strip support that includes at least one jaw that engages the tube as it is being bent clockwise, and a second strip support that includes at least one jaw that is oriented in opposing relationship with said at least one jaw of said first strip support that engages the tube as it is being bent counterclockwise.