Patent ID: 7007368
Filing Date: 2006-03-07
Classification: B21D,B62D,Y10T

Abstract:
1. A hem joint for a vehicular closure structure assembled from stamped sheet metal, comprising: an inner panel; an outer panel joined to said inner panel by a hem flange formed from said outer panel and folded over at least a portion of the periphery of said inner panel; and a plurality of mechanical interlock zones extending between said inner panel and said outer panel, with each of said interlock zones comprising: a raised circular anchor pin formed integrally from said inner panel prior to assembly of said inner panel with said outer panel; and a coined cap formed integrally with said hem flange of said outer panel, with said coined cap being formed in place by coining said hem flange over said raised circular anchor pin, so as to completely encapsulate an end portion of said anchor pin.