Securing of rivets to portable articles

Claim 1

A portable article having a pair of metal rivets each of which is permenently secured to a respective flat wall portion of the article, each of said rivets including a solid shank portion engaging an outer surface of said flat wall portion and an enlarged head on an outer end of said shank spaced from said flat wall portion to receive a carrying handle, said shank having a reduced tubular end portion extending from an end opposite said enlarged head with said flat wall portion having an opening receiving said tubular end portion said flat wall portion having an inwardly directed rim integral therewith and surrounding said opening with said rim defining an acute included angle in cross section with said flat wall portion so that said rim extends away from said opening, said solid shank portion having a concave surface in cross section at said opposite end adapted to engage a tool for deforming said tubular end portion, said tubular end portion being permanently deformed completely around said rim and being contiguous to both opposed surfaces thereof, said tubular end portion engaging an inner surface of said flat wall portion to permanently secure said rivet to said flat wall portion.