Blind rivet

Details Blind rivet Blind rivet

F - Mech Eng,Light,Heat,Weapons

16

B

85/18

F16B 13/04 (2006.01)

Patent

CA 1239300

ABSTRACT The invention relates to a blind rivet having a shear portion that is accepted within aligned apertures in a workpiece. The rivet has a pre-formed head at one end of the shear portion and a central aperture therethrough for the acceptance of a headed mandrel. An incompletely polymerized thermoset resin portion of the rivet is disposed about the mandrel at the opposite end of the shear portion from the head thereon. Tensioning of the mandrel effects compression of the incompletely polymerized portion which is softened due to the application of heat. The mandrel forms a radially extending blind head that is interlocked with the shear portion of the rivet to draw the workpieces together and which, when fully polymerized, forms a permanent thermoset riveted connected.

462868

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