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. 22, 2015
Filed:
Apr. 25, 2012
Anthony Joseph Tyson, Dunstable Bedfordshire, GB;
Roger Andrew Williams, Bushey Hertfordshire, GB;
Anthony Joseph Tyson, Dunstable Bedfordshire, GB;
Roger Andrew Williams, Bushey Hertfordshire, GB;
Infastech Intellectual Properties Pte. Ltd., Singapore, SG;
Abstract
A fastener () for securing a workpiece comprising a plurality of workpiece members, said fastener comprising a shank () and a radially enlarged head (), wherein the fastener further comprises axial voids () and splines () provided on the internal wall of the bore of the fastener, such that when the fastener is installed into a workpiece by a mandrel, breakstem or pin, once the shank of the fastener has contacted with the walls of the workpiece apertures, the crests of the splines are deformed by the mandrel, breakstem or pin, and material of the crests is displaced into the voids.