EP 0272376 B1 19920513 - APPARATUS FOR THE RIVET-LIKE JOINING TOGETHER OF SHEET METALS
Title (en)
APPARATUS FOR THE RIVET-LIKE JOINING TOGETHER OF SHEET METALS
Publication
Application
Priority
DE 3640896 A 19861129
Abstract (en)
[origin: US4835850A] An apparatus for joining two or more sheets by means of drawn and extruded material portions comprising a punch, a die and an anvil. The punch is driven to first cooperate with the die in a drawing step, then to transport the work piece to the anvil and to perform in cooperation with the latter an extrusion step. Preferably, a plurality of punches is driven to rotate and to cooperate with a die-and-anvil assembly common to all punches.
IPC 1-7
IPC 8 full level
B21D 39/03 (2006.01)
CPC (source: EP US)
B21D 39/031 (2013.01 - EP US); Y10T 29/49915 (2015.01 - EP US); Y10T 29/49936 (2015.01 - EP US); Y10T 29/49943 (2015.01 - EP US); Y10T 29/53765 (2015.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0272376 A2 19880629; EP 0272376 A3 19891206; EP 0272376 B1 19920513; AT E75976 T1 19920515; CA 1289347 C 19910924; DE 3640896 A1 19880616; DE 3779073 D1 19920617; ES 2031858 T3 19930101; SU 1642949 A3 19910415; US 4835850 A 19890606
DOCDB simple family (application)
EP 87111919 A 19870818; AT 87111919 T 19870818; CA 546976 A 19870916; DE 3640896 A 19861129; DE 3779073 T 19870818; ES 87111919 T 19870818; SU 4203683 A 19871120; US 12458587 A 19871124