Patent ID: 8646214

Claim:
A weather strip, comprising: a trim portion adapted to be mounted on a flange around a circumferential part of an opening portion in a vehicle body and comprising one of a solid material and a finely foamed material having a substantially U-shaped cross section; and a hollow seal portion comprising a sponge material so as to be integral with the trim portion and adapted to be brought into contact with a mating member which confronts the opening portion in the vehicle body so as to establish a seal between the circumferential part of the opening portion in the vehicle body and the mating member, wherein the trim portion comprises an external sidewall, a bottom wall, and an internal sidewall comprising the substantially U-shaped cross section, said trim portion further comprising flange holding lips formed on interior surfaces of the external sidewall and the internal sidewall so as to extend into an interior of the substantially U-shaped cross section, wherein a first flange holding lip is formed on the interior surface of either of the external sidewall and the internal sidewall so as to be positioned on an opening side of the trim portion and a second flange holding lip is formed on the interior surface of a same sidewall so as to be positioned on a bottom wall side of the trim portion, wherein a plurality of opposite flange holding lips are formed on the interior surface of an other of the external sidewall and the internal sidewall so that all of the plurality of opposite flange holding lips are to be positioned and extended between the first flange holding lip and the second flange holding lip, wherein a distal end of the first flange lip and a distal end of the second flange lip are configured to extend past distal ends of the plurality of opposite flange holding lips, wherein the second flange holding lip is formed at a position closest to the bottom wall where the second holding lip does not have a contact with the bottom wall when the second flange holding lip is attached to the flange, and wherein the first flange holding lip is formed at a distalmost end of the opening side of the trim portion on the interior surface.