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:
Dec. 12, 1995
Filed:
Oct. 24, 1994
Deutsche Aerospace Airbus GmbH, Hamburg, DE;
Abstract
A method for avoiding cold welding of blind rivets, especially for the production of rivet connections between load carrying components in aircraft construction uses a not yet cured, curable adhesive to perform three functions, namely as a lubricant during setting of the blind rivet when the adhesive is not yet cured, to prevent cold welding between the shaft and the sleeve of the rivet, and as a seal and bond when the adhesive has cured. The blind rivet has a shaft or mandrel with a thickened end and a pulling end. The shaft has a conical section tapering from the thickened end to the pulling end. Grooves run around at least the conical section. The rivet mandrel or shaft is axially received in a rivet sleeve with a settable head. The not yet cured adhesive is provided in the grooves, especially along the conical section of the blind rivet. After the rivet has been set the adhesive hardens in the seam or gap to form the seal and bond. The result is a set blind rivet that has a structural strength equivalent to that of a solid rivet so that it can also meet higher structural strength requirements.