Patent ID: 6406079
Filing Date: 2002-06-18
Classification: B60R

Abstract:
An impact absorbing automobile bumper, comprising:a bumper fascia and one or more bumper pore sections, said bumper core sections having a surface wall and an opposing rear wall, a pair of opposing sidewalls, and wherein said bumper core sections have one or more ribs and a plurality of hollow portions between said surface wall and said rear wall, and wherein said surface wall attaches to an inner surface of a portion of a driver side of said bumper fascia and a portion of a passenger side of said bumper fascia, and said bumper fascia is attached to an automobile in a longitudinal manner, and wherein said bumper core sections are composed of a thermoplastic resin with a modulus of flexural elasticity of about 10000 kg/cm2 to 40000 kg/cm2, and an overall mean wall thickness is about 0.5 mm to 4.0 mm, and a product of modulus of flexural elasticity and mean wall thickness is about 1000 kg/cm to 10000 kg/cm.