Patent ID: 8851525

Claim:
An air intake hose for a vehicle comprising: a blow molding portion formed in a hollow hose shape by blow molding; an injection molding portion formed in a hollow hose shape by injection molding; and a coupling portion formed at one end of the blow molding portion, wherein the blow molding portion and the injection molding portion are coupled with each other by injecting a material forming the injection molding portion into an injection mold in a state in which the coupling portion is inserted in the injection mold; wherein a coupled surface is formed at an end of the coupling portion; wherein an injection coupling portion coupled with the coupled surface is formed at the injection molding portion; wherein a plurality of protrusions are protruded in an axial direction of coupling portion from the coupled surface; wherein one surface of the injection coupling portion coupled with the coupled surface is formed corresponding to a shape of the coupled surface; and wherein the protrusions are gradually widened in a circumferential direction of the coupling portion along a protruding direction.