Patent · US Active

Self-piercing rivet and self-piercing riveting method and self-piercing riveted joint

US9803675B2 · kind B2 · utility

6Cited by

8References

12Claims

0Family size

Assignee

NEWFREY LLC · US

Inventors

Steffen Hofmann · Steinfeld, DE
Paul BARTIG · Gießen, DE
Frank Wilhelm · Marshfield, US
Matthias Wissling · Gießen, DE

Key dates

Filing date	Jun 10, 2016
Grant date	Oct 31, 2017
Priority date	—
Expiry date	Jun 10, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H63/42
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A self-piercing rivet for connecting high-strength steels. The rivet having a head which has a head diameter (DH); a shank which has a shank diameter (DS); and, located at the foot end of the shank opposite the head, the shank has radially outward a flat surface section and radially inward an axial recess defining an axial depth (LB). The ratio of axial depth (LB) of the recess to the shank diameter (DS) is smaller than 0.3.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.