EP 0074464 B1 19850807 - APPARATUS FOR CLEANING THE INNER WALLS OF METALLIC TUBULAR SYSTEMS BY ELECTROPOLISHING BY MEANS OF MOVING ELECTRODES
Title (en)
APPARATUS FOR CLEANING THE INNER WALLS OF METALLIC TUBULAR SYSTEMS BY ELECTROPOLISHING BY MEANS OF MOVING ELECTRODES
Publication
Application
Priority
DE 3136186 A 19810912
Abstract (en)
[origin: EP0074464A1] 1. Device for cleaning of the internal walls of metallic pipework by electropolishing with the help of mobile electrodes consisting of an elastic electrode (4, 4a) made from a spiral wire or a helical filament, and several insulated spacers (5, 6) provided on the electrode either firmly attached or mobile, at least in the electrode zone.
IPC 1-7
IPC 8 full level
C25F 3/16 (2006.01); C25F 7/00 (2006.01); G21F 9/00 (2006.01)
CPC (source: EP)
C25F 3/16 (2013.01); G21F 9/004 (2013.01)
Citation (examination)
CH 396561 A 19650731 - NYBY BRUK AB [SE]
Designated contracting state (EPC)
BE CH FR GB LI NL
DOCDB simple family (publication)
EP 0074464 A1 19830323; EP 0074464 B1 19850807; DE 3136186 A1 19830324; DE 3136186 C3 19850307; JP S5855599 A 19830401
DOCDB simple family (application)
EP 82104946 A 19820605; DE 3136186 A 19810912; JP 15795082 A 19820910