The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 29, 2014
Filed:
Feb. 12, 2007
Uwe Frank, Windischenbach, DE;
Marcel Strobel, Bretzfeld, DE;
Uwe Frank, Windischenbach, DE;
Marcel Strobel, Bretzfeld, DE;
Wurth International AG, Chur, CH;
Abstract
A gun rivet and a device for placing said rivet are disclosed. The gun rivet contains a rivet head () with a collar () at one end and a rivet tip () at the other. The rivet body contains a cavity () in the form of a bore in a sleeve section (). As with other gun rivets, the gun rivet is shot with a percussive-type action and with the aid of its rivet tip into an opening in two sheets () that are to be joined together, until the collar comes to rest on the upper face of the upper sheet. A tensile bolt is then introduced into the cavity and is connected to the base () of the latter. This can be achieved by resistance welding. The tensile bolt is then drawn until a rivet head is formed on the opposite side of the two sheets. The tensile bolt is then detached from the gun rivet, for example by shearing. The tensile bolt can be re-used to place another rivet.