Patent ID: 7322086
Filing Date: 2008-01-29
Classification: B23P,F16B,Y10T

Abstract:
1. A die ( 14 , 114 , 214 , 414 ) having a longitudinal axis and an approximately cylindrical forming space ( 30 , 130 , 230 , 430 ) into which a head part ( 10 a , 210 a , 410 a ) of a functional element ( 10 , 210 , 410 ) can be introduced for the reshaping of a sheet metal part ( 12 , 212 , 412 ) placed between said die and said functional element, said die having a plurality of movably mounted shaped parts ( 16 , 116 , 216 , 416 ) which each bound a portion of said forming space ( 30 , 130 , 230 , 430 ), wherein said shaped parts are each provided with a nose ( 20 ; 120 ; 220 ; 420 ) directed towards said longitudinal axis and formed for the pressing of material ( 13 ) of said sheet metal part into an undercut ( 18 , 218 , 418 ) of said functional element ( 10 , 210 , 410 ) by a movement towards the longitudinal axis of the die during a closing movement of said shaped parts wherein each shaped part ( 16 , 116 , 216 , 416 ) has at least approximately the cross-section of an equilateral triangle in a plane extending perpendicular to a longitudinal axis ( 22 , 122 , 222 , 422 ) of the die ( 14 , 114 , 214 , 414 ), wherein said shaped parts are arranged around an abutment element ( 34 , 234 , 434 ) of the die ( 114 , 214 , 414 ), wherein said abutment element (