Patent ID: 8393067

Claim:
A connecting device for connecting a member-to-be-connected to a pipe by expanding both adjacent portions of the pipe axially adjacent to an inserted portion of the pipe inserted in an insertion hole formed in the member-to-be-connected in a state in which the pipe is inserted in the insertion hole, comprising: a die to be disposed in a hollow portion of the pipe and divided into a plurality of die segments centering around a wedge hole portion in a circumferential direction; and a mandrel to be inserted in the wedge hole portion of the die to move each die segment of the die in a radially outward direction of the pipe, wherein the die segment comprises a piece having a first pressing protruded portion which presses one of both the adjacent portions of the pipe, a die segment main body having a second pressing protruded portion which presses the other adjacent portion and comes in contact with the mandrel, and connection means which detachably connects the piece and the die segment main body, wherein the die segment main body is integrally provided with an extended portion extended toward the piece, wherein a surface of the extended portion located at a side of the wedge hole portion comes into contact with the mandrel, and wherein the piece is disposed on a surface of the extended portion opposite to the wedge hole portion.