| 摘要 |
There is provided a peel type blind rivet (22) for securement in an aperture of a workpiece, the rivet comprising a tubular shell (24) having a flange (26) at one thereof, this shell housing a mandrel stem (28) with a mandrel head (30) disposed at one end of the mandrel stem so as to abut a remote end of the tubular shell, the mandrel head (30) having a plurality of edges extending radially outwards therefrom which, in operation when the mandrel is subjected to a tensile load engage with the remote end of the shell so as to split the shell into a plurality of segments (40) to engage the blind side of the workpiece, whereby the stem of the mandrel further comprises at least one protrusion (38) about which the shell of the rivet body deforms during setting to retain the mandrel head (30) within the set rivet.
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