Patent ID: 8205391

Claim:
An automobile weather strip to be attached to a rim of an opening of a vehicle body of an automobile for sealing between a vehicle body opening rim and a door, said automobile weather strip comprising: a trim part holding the weather strip to a flange part of the vehicle body opening rim or the door and having a substantially U-shaped section; and a sealing part formed integrally with an outer surface of the trim part for sealing by contacting to the door or the opening rim, wherein the trim part comprises an insert member and a covering material for covering the insert member and forms on an inner surface of the substantially U-shaped section a holding lip for holding the flange part, and wherein the covering material comprises a sponge material of a rubber comprising a blend material of an EPDM (ethylene propylene diene Monomer) rubber and an olefin-based thermoplastic synthetic resin, said covering material having physical properties of a specific gravity of 0.6 to 0.8 and a 25%-stretching stress of 500 KPa or more, wherein the sealing part comprises a sponge material of a rubber comprising the EPDM rubber not containing the olefin-based thermoplastic synthetic resin, and having physical properties of a specific gravity of 0.4 to 0.6 and a 25%-stretching stress of 200 KPa or less, wherein the olefin-based thermoplastic synthetic resin comprises ethylene/octane resin, and wherein the olefin-based thermoplastic synthetic resin has a specific gravity of 0.6 to 0.7.