Global Patent Index - EP 0074463 B1

EP 0074463 B1 19850807 - METHOD AND APPARATUS FOR CLEANING THE INNER WALLS OF METALLIC TUBULAR SYSTEMS BY ELECTROPOLISHING BY MEANS OF MOVING ELECTRODES

Title (en)

METHOD AND APPARATUS FOR CLEANING THE INNER WALLS OF METALLIC TUBULAR SYSTEMS BY ELECTROPOLISHING BY MEANS OF MOVING ELECTRODES

Publication

EP 0074463 B1 19850807 (DE)

Application

EP 82104945 A 19820605

Priority

DE 3136187 A 19810912

Abstract (en)

[origin: EP0074463A1] 1. Method for cleaning the inner walls of metallic pipework systems by electropolishing using mobile electrodes, wherein the electrolyte is filled into the pipework system, with the electrode applied to a sector of the pipework wall by means of about 5 MPa high pressure, and the cathode moved in the pipework system by means of the high pressure jet.

IPC 1-7

C25F 3/16

IPC 8 full level

G21F 9/28 (2006.01); B08B 9/032 (2006.01); C25F 1/00 (2006.01); C25F 3/16 (2006.01); C25F 7/00 (2006.01); G21F 9/00 (2006.01)

CPC (source: EP)

C25F 3/16 (2013.01); C25F 7/00 (2013.01); G21F 9/004 (2013.01); G21F 9/005 (2013.01)

Designated contracting state (EPC)

BE CH FR GB LI NL

DOCDB simple family (publication)

EP 0074463 A1 19830323; EP 0074463 B1 19850807; DE 3136187 A1 19830428; DE 3136187 C2 19880818; JP S5855600 A 19830401; JP S6157920 B2 19861209

DOCDB simple family (application)

EP 82104945 A 19820605; DE 3136187 A 19810912; JP 15795182 A 19820910