Patent ID: 7735263

Claim:
A weather strip for a motor vehicle, which is capable of providing a seal between an opening portion of a vehicle body and a closing member for closing the opening portion, comprising: a base portion, including at least an outer side wall and a bottom wall, in which a flange provided on the opening portion of the vehicle body is adapted to be inserted; and a seal portion integrally formed with said base portion for contacting the closing member, and sealing between the opening portion and the closing member, wherein a double-sided adhesive tape is bonded to an interior surface of said outer side wall, wherein a protrusion is provided on an interior surface of said outer wall adjacent to a joint portion between said outer side wall and said bottom wall in a direction of an interior of said base portion for contacting a side surface of said flange and bonding one side edge of said double-sided adhesive tape to said protrusion, wherein a stepped part is formed in at least an interior surface of said bottom wall adjacent to said joint portion between said outer side wall and said bottom wall for holding a projecting end of said flange, wherein a portion of said outer side wall and said bottom wall in an area, ranging from about said protrusion of said outer side wall to about said stepped part of said bottom wall, comprises a hard material which is harder than a material of a remaining part of said outer side wall and said bottom wall, and wherein an other material, different from the hard material and different from the material of the remaining part of said outer side wall and said bottom wall, exhibiting an extensibility which is less than that of the remainder of the base portion, is provided in at least one part of said outer side wall and said bottom wall by one of a sticking method and an embedding method.