Global Patent Index - EP 0216978 B1

EP 0216978 B1 19880601 - METHOD AND DEVICE FOR EXTRUDING CARBON MASSES, IN PARTICULAR CARBON ELECTRODES

Title (en)

METHOD AND DEVICE FOR EXTRUDING CARBON MASSES, IN PARTICULAR CARBON ELECTRODES

Publication

EP 0216978 B1 19880601 (DE)

Application

EP 85890266 A 19851024

Priority

AT 1785 A 19850104

Abstract (en)

[origin: EP0216978A1] 1. A process for extruding carbon compositions, more particularly carbon electrodes, a carbon composition (7) which has been introduced into a pressing cylinder (1) having a closable mouthpiece (3) first being squeezed by a pressing ram (4) with the mouthpiece (3) closed, then expelled from the cylinder (4) with the mouthpiece (3) open, characterized in that a back pressure opposing the forward pressure (pressing pressure) is exerted on the carbon strand (8) issuing from the mouthpiece (3).

IPC 1-7

B29C 47/12

IPC 8 full level

B30B 11/22 (2006.01)

CPC (source: EP)

B30B 11/22 (2013.01); B30B 11/224 (2013.01)

Designated contracting state (EPC)

BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0216978 A1 19870408; EP 0216978 B1 19880601; AT 382897 B 19870427; AT A1785 A 19860915; DD 240702 A5 19861112; DE 3562998 D1 19880707

DOCDB simple family (application)

EP 85890266 A 19851024; AT 1785 A 19850104; DD 28491785 A 19851220; DE 3562998 T 19851024