Patent ID: 8622423
Filing Date: 2014-01-07
Classification: B60R

Abstract:
1. An airbag comprising a fabric component defining an inflatable chamber, the airbag having an opening for receiving an inflation gas, a tubular heat shield assembled with the airbag adjacent the opening, the tubular heat shield comprising a sheet of a flexible material rolled to form a tube and fixed to the airbag inside the airbag, the tubular heat shield having a passage for receiving at least a portion of an inflator, the flexible material being selected from a group of materials consisting of fabrics, polymers, metals and metal alloys; and wherein the flexible material that comprises the tubular heat shield has first and second sides, both of which are coated with a heat resistant compound, the first side of the flexible material being coated with a larger amount of the heat resistant compound per square meter than the second side of the flexible material, and the flexible material is rolled to form a tube with the first side of the flexible material located nearest the passage of the tubular heat shield.