Global Patent Index - EP 0146833 B1

EP 0146833 B1 19900801 - APPARATUS FOR ELECTROPOLISHING THE INNER SURFACES OF HOLLOW CYLINDRICAL OBJECTS

Title (en)

APPARATUS FOR ELECTROPOLISHING THE INNER SURFACES OF HOLLOW CYLINDRICAL OBJECTS

Publication

EP 0146833 B1 19900801 (DE)

Application

EP 84114684 A 19841203

Priority

DE 3345278 A 19831214

Abstract (en)

[origin: ES8605873A1] A device for electropolishing the inner surface of a hollow cylindrical body with at least one sponge electrode movable along the inner surface, as well as with devices for guiding the sponge electrode and for supplying the sponge electrode with electrolyte includes a chassis braced against the inner surface of the hollow cylindrical body and being movable along the axis of curvature of the hollow cylindrical body, the sponge electrode being carried by the chassis, being pressable against the inner surface of the hollow cylindrical body and being rotatable about the axis of curvature of the hollow cylindrical body.

IPC 1-7

C25F 7/00; G21F 9/00

IPC 8 full level

B23H 3/00 (2006.01); B23H 5/00 (2006.01); C25F 7/00 (2006.01); G21F 9/00 (2006.01)

CPC (source: EP US)

C25F 7/00 (2013.01 - EP US); G21F 9/004 (2013.01 - EP US)

Designated contracting state (EPC)

BE CH DE FR GB IT LI SE

DOCDB simple family (publication)

EP 0146833 A2 19850703; EP 0146833 A3 19870513; EP 0146833 B1 19900801; CA 1229067 A 19871110; DE 3345278 A1 19850627; DE 3482871 D1 19900906; ES 538635 A0 19860116; ES 8605873 A1 19860116; JP H0547327 B2 19930716; JP S60146626 A 19850802; SU 1491347 A3 19890630; UA 5973 A1 19941229; US 4634511 A 19870106

DOCDB simple family (application)

EP 84114684 A 19841203; CA 469869 A 19841212; DE 3345278 A 19831214; DE 3482871 T 19841203; ES 538635 A 19841214; JP 26370584 A 19841212; SU 3816358 A 19841130; UA 3816358 A 19841130; US 68110784 A 19841212