US 12,434,293 B2 · Punch for riveting, device in which punch for riveting is disposed, and method for joining members

Abstract

A novel punch for riveting with reduced load on a shaft of a rivet is provided. Alternatively, a device that is disposed with a novel punch for riveting with reduced load on a shaft of a rivet is provided. Alternatively, a method for joining members using a novel punch for riveting with reduced load on a shaft of a rivet is provided. A punch for riveting according to an embodiment of present invention includes joining a first member having a convex part and a second member having a through hole fitting with the convex part by plastically deforming the convex part, wherein a contact surface with the convex part is inclined in a range of 80° to 89° with respect to a center axis.

Claims13

Dependent claims

A punch for riveting and joining a first member having a convex part and a second member having a through hole fitting with the convex part by plastically deforming the convex part,

wherein the punch has a contact surface in contact with the convex part, and the contact surface is inclined at a range of 80° to 89° with respect to a center axis of the punch,
the contact surface has an elliptical shape in which an inclined direction is set to a major axis, and
a rotation axis of the punch coincides with the center axis of the punch.

Dependencies are inferred from the claim text.

Punch for riveting, device in which punch for riveting is disposed, and method for joining members

Life of this patent

Punch for riveting, device in which punch for riveting is disposed, and method for joining members

Life of this patent

Abstract

Claims13