Patent · US Expired

Self-penetrating fastening rivet

US6663329B2 · kind B2 · utility

15Cited by

8References

36Claims

0Family size

Assignee

AUDI AG · DE

Inventors

Sumanjit Singh · Gaimersheim, DE
Stuart Edmond Blacket · Flint Mountain, GB
Trevor B. Jones · Bolton, GB
Howard J. Litherland · Corwen, GB

Key dates

Filing date	Sep 13, 2001
Grant date	Dec 16, 2003
Priority date	—
Expiry date	Jan 20, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/5343
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A rivet capable of self-piercing at least one sheet of material and becoming embedded in one of such sheets, generally consisting of a head section and a shank section formed integrally with the head section, wherein the head section includes an upwardly and outwardly curved side wall surface extending from the shank section to an upper portion of the head section, and the shank section includes a recess in a lower end thereof, with the lower end of the shank section having a peripheral cutting edge sufficient to penetrate such material.

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