Patent ID: 7207307

Claim:
An intake system comprising; a tubular portion formed of a plurality of divided primary molded members so as to form a packing portion into which a secondary molding resin can be packed at a joint between the plurality of primary molded members, a functional part attached to the tubular portion and having an arm portion that is superimposed on the tubular portion, and a lock-shaped portion formed integrally from the secondary molding resin and having a trunk portion which is welded to the primary molded members forming the packing portion, a first neck portion which is formed in such a manner as to be smaller in diameter than an outside diameter of the trunk portion and which extends radially outwardly of the trunk portion so as to penetrate the primary molded members and the arm portion, and a first head portion which is connected an end of the first neck portion which is opposite to an end thereof which faces the trunk portion and which is formed in such a manner as to be larger in diameter than an outside diameter of the first neck portion.