Patent ID: 7214417

Claim:
A weather strip having an extrusion portion, and a molded portion connected to the extrusion portion, the weather strip comprising: a mounting base portion attachable to one of a door peripheral portion and an opening portion of a vehicle; a seal portion that is integrally formed with the mounting base portion and has a hollow portion; a slit for taking out a core mold when performing molding, wherein the slit is formed in the mounting base portion of the molded portion; and at least one blocking piece, which is integrally formed with the mounting base portion at a side of the base portion that is opposite to the seal portion, wherein the blocking piece is located in a zone in which the slit is formed, and wherein the blocking piece comprises: a base piece portion formed in such a manner as to extend from an attachable mounting surface of the mounting base portion of the molded portion; an insertion portion integrally formed in such a manner as to extend substantially perpendicularly from the base piece portion, wherein the insertion portion is constructed to be inserted into the slit by bending the base piece portion around a part thereof, wherein a thickness of the insertion portion is set to be substantially equal to width of the slit; and a lock portion that is integrally formed with the insertion portion to be engaged with and locked on an inner surface of the mounting base portion within the hollow portion of the seal portion, when the blocking piece is bent and the insertion portion is inserted into the slit.