Patent ID: 6395371
Filing Date: 2002-05-28
Classification: B60J,Y10T

Abstract:
A weather strip comprising:a sectional U-shaped flange gripping portion having an insert buried therein and a gripping lip portion formed inside thereof for gripping a flange portion of a door opening of an automobile body; and a seal portion integrated with said flange gripping portion, wherein the seal portion is provided on a side wall of said flange gripping portion, wherein said flange gripping portion is formed of microfoam rubber in which specific gravity of vulcanizate is in a range of from 0.97 to 0.99, an extraction load required when said flange gripping portion is extracted from the flange portion is not smaller than 60 N per 100 mm, and an insertion load required when said flange gripping portion is inserted onto the flange portion is not larger than 120 N per 100 mm when the flange portion has a plate thickness of 3.4 mm, the whole of said flange gripping portion including said gripping lip portion is formed of said microfoam rubber, and said microfoam rubber comprises ethylene-propylene-diene rubber as a base polymer, an inorganic carrier and a heat-decomposable foaming agent.