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Cavity rivet assembly










Image Number 4 for United States Patent #4088053.

An assemblage of a rivet for securing at least a pair of sheets or other members, wherein the rivet is formed with a cavity in its upset end of predetermined dimensions with respect to the sheets and the remainder of the rivet. The cavity preferably terminates in the thickness of the bottom sheet, thus facilitating rivet upset while providing maximum strength.








 
 
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