Patent Number: 6,296,299

Title: Frame structure for vehicle body

Abstract: Material characteristics that a foamed filler material (s) to be filled in a frame cross section (fr) should have are discussed. By using a material complying with the characteristics, the energy absorbability of the frame (fr) is effectively enhanced. In a frame structure (fr) for vehicle bodies in which a filler material is filled in at least part of the cross section of a frame, the filler material is set to a mean compressive strength of not less than 4 MPa and/or a maximum bending strength of not less than 10 MPa. More particularly, the filler material is set to a mean compressive strength of not less than 5 MPa and/or a maximum bending strength of 60 MPa.

Inventors: Hanakawa; Katsunori (Iwakuni, JP), Fukahori; Mitsugi (Higashihiroshima, JP), Ishida; Kyoso (Hiroshima, JP), Yamamoto; Yukio (Hiroshima, JP)

Assignee: Mazda Motor Corporation

International Classification: B62D 29/00 (20060101); B60J 5/04 (20060101); B60R 027/00 ()

Expiration Date: 10/02/2018