EP 1480782 B1 20060830 - PROCESS FOR SETTING SELF-PIERCING RIVETS
Title (en)
PROCESS FOR SETTING SELF-PIERCING RIVETS
Title (de)
VERFAHREN ZUM SETZEN VON SELBSTSTANZENDEN NIETEN
Title (fr)
PROCEDE DE POSE DE RIVETS AUTO-PERFORANTS
Publication
Application
Priority
- JP 2002032538 A 20020208
- US 0303725 W 20030206
Abstract (en)
[origin: WO03066278A2] A die 18 for use in a self-piercing rivet setting apparatus comprises a cavity 25 for receiving therein a protruded workpiece zone consisting of respective portions of the workpieces 2, 3 to be protrudingly deformed toward the die through the pressure of the self-piercing rivet 1. The cavity has a bottom surface provided with a central raised portion 29 protruding from the center of the bottom surface toward a punch. The central raised portion of the cavity has a vertical angle in the range of 90 to 160 degrees. Preferably, the central raised portion has a top formed in a spherical shape. The cavity has an approximately cylindrical outer wall 27 in the periphery thereof. The cavity has a curved inner surface extending form the top of the central raised portion to the lower end 33 of the outer wall through the bottom 35 of the cavity.
IPC 8 full level
B21J 15/02 (2006.01); B21J 15/30 (2006.01); B21J 15/10 (2006.01); B21J 15/36 (2006.01)
CPC (source: EP)
B21J 15/025 (2013.01); B21J 15/36 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR
DOCDB simple family (publication)
WO 03066278 A2 20030814; WO 03066278 A3 20040506; AT E337869 T1 20060915; DE 60307990 D1 20061012; DE 60307990 T2 20070906; EP 1480782 A2 20041201; EP 1480782 A4 20050706; EP 1480782 B1 20060830; JP 2003230935 A 20030819
DOCDB simple family (application)
US 0303725 W 20030206; AT 03709000 T 20030206; DE 60307990 T 20030206; EP 03709000 A 20030206; JP 2002032538 A 20020208