Patent ID: 6905296
Filing Date: 2005-06-14
Classification: F16B

Abstract:
1. A peel type blind rivet for securement in an aperture in one or more work pieces, the rivet comprising: a tubular shell having a tail end face at one end and a pre-formed radially enlarged flange at the other end; a mandrel having a stem which extends through said shell and an enlarged head adjacent the tail end face of said shell; said head having a plurality of first faces inclined at a first angle; and a plurality of axially extending edges beneath said enlarged head for engaging with said body during a setting process of said rivet when the stem is subject to a tensile load, so as to split the shell into a plurality of segments to engage with one side of the work pieces; a means for deforming the tubular shell disposed between said stem and said edges, said means for deforming having at least a partial surface thereof disposed radially outwards beyond said stem so as to engage and deform said shell both axially and radially as said head is displaced into said body, and said stem comprises a rebate adjacent said head for receiving at least part of said deformed shell of said rivet when set, said rebate comprises a second inclined surface disposed between the means for deforming the tubular shell inclined at a second angle greater than the first angle.