Patent ID: 9162275
Filing Date: 2015-10-20
Classification: B21D

Abstract:
1. A flaring device for flaring a hollow malleable tubular member comprising: a hydraulically powered assembly including a main body having a cylinder, a lever and a piston member which is received in the cylinder, the main body having an axis and opposing first end and second end located on the axis, the lever being traverse to a direction in which the axis extends and pivoted on the first end of the main body, the lever being operable to drive the piston member to move along the axis, one end of the piston member being formed with a conical expander; and a die set disposed at the second end of the main body and having a plurality of die elements arranged around the axis; wherein, the conical expander of the piston member is actuated to move axially and outwardly so as to radially drive the die elements to flare the hollow malleable tubular member; wherein the piston member includes a plug portion which is entirely received within the main body and a body portion extended from the plug portion toward the die elements; the conical expander is disposed on the body portion; wherein the plug portion includes first and second recesses at opposite ends thereof along the axis, the body portion is detachably assembled in the first recess within the main body, and the second recess is open toward the first end.