Global Patent Index - EP 0755734 B1

EP 0755734 B1 20010509 - Cold extrusion method for forming a bevel gear integral with a rotation pivot, and the gear obtained by said method

Title (en)

Cold extrusion method for forming a bevel gear integral with a rotation pivot, and the gear obtained by said method

Title (de)

Verfahren zum Kaltfliesspressen eines Kegelzahnrades mit integrierter Welle und damit hergestelltes Kegelzahnrad

Title (fr)

Procédé pour l'extrusion à froid d'une roue dentée conique avec arbre de rotation intégral et roue dentée conique ainsi obtenue

Publication

EP 0755734 B1 20010509 (EN)

Application

EP 96201948 A 19960711

Priority

IT MI951640 A 19950727

Abstract (en)

[origin: EP0755734A1] The invention provides a method and mould for forming, by cold extrusion of a metal blank, a small-dimension bevel gear (34) integral with a rotation pivot (26) extending from the roots of the teeth (33) of said gear (34). <IMAGE>

IPC 1-7

B21K 1/30

IPC 8 full level

B21K 1/30 (2006.01)

CPC (source: EP)

B21K 1/30 (2013.01)

Designated contracting state (EPC)

AT DE ES FR GB

DOCDB simple family (publication)

EP 0755734 A1 19970129; EP 0755734 B1 20010509; AT E200992 T1 20010515; DE 69612706 D1 20010613; DE 69612706 T2 20020418; ES 2158228 T3 20010901; IT 1277365 B1 19971110; IT MI951640 A0 19950727; IT MI951640 A1 19970127

DOCDB simple family (application)

EP 96201948 A 19960711; AT 96201948 T 19960711; DE 69612706 T 19960711; ES 96201948 T 19960711; IT MI951640 A 19950727