公开(公告)号：US20240316624A1

公开(公告)日：2024-09-26

申请号：US18411461

申请日：2024-01-12

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Shinya NAGASHIMA ,  Toshiyuki DOBASHI ,  Nobuyuki SHINOHARA ,  Mayumi NAKANISHI ,  Reona TAKAGISHI

IPC: B22D17/20 ,  B22D17/22

CPC classification number: B22D17/2069 ,  B21J15/025 ,  B22D17/00 ,  B22D17/2218

Abstract: In a casting step, a first member is cast by die casting. In the driving step after the casting step, a self-piercing rivet is driven into, from a second member side, an overlapping part in which the second member overlaps the first member, while heat from casting remains in the first member. As a result, the self-piercing rivet is driven into the first member in a state that the ductility is higher than that at the normal temperature. Therefore, the first member is less likely to crack during the driving step.

公开(公告)号：US20240307950A1

公开(公告)日：2024-09-19

申请号：US18401849

申请日：2024-01-02

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Shinya NAGASHIMA ,  Toshiyuki DOBASHI ,  Nobuyuki SHINOHARA ,  Mayumi NAKANISHI ,  Reona TAKAGISHI

IPC: B21J15/02

CPC classification number: B21J15/025 ,  B21J15/36 ,  F16B19/086

Abstract: A thickened part is formed in the first member. The thickened part has a protruded part that is convex on one side in the thickness direction of the first member, so that the thick portion is set thicker than the general portion as the other portion. At least a part of the second member overlaps a part of the first member that includes the thickened part from another side of the first member in the plate thickness direction, and the self-piercing rivet is driven into a fastening overlapped part that is a part that the second member overlaps the thickened part from a second member side, so as to fasten the first member and the second member.