Global Patent Index - EP 0020956 B1

EP 0020956 B1 19830727 - APPARATUS FOR THE ZONAL ELECTROPOLISHING

Title (en)

APPARATUS FOR THE ZONAL ELECTROPOLISHING

Publication

EP 0020956 B1 19830727 (DE)

Application

EP 80102453 A 19800506

Priority

DE 2923085 A 19790607

Abstract (en)

[origin: EP0020956A1] 1. Apparatus for the zonewise electropolishing of a largesurfaced metallic workpiece, wherein the workpiece is connected to form the anode and the cathode is an electrically shielded electrode of inert material displaceable above the surface of the workpiece, characterized in that the gaps left between the surface of the workpiece (2) and the electrical lateral shieldings (10) are closed by means of flexible boundary structures (11), the electrical lateral shieldings with the flexible boundary structures (11) reaching beyond the two sides of the workpiece (2), in the direction of width.

IPC 1-7

C25F 7/00; C25F 3/16

IPC 8 full level

C25F 3/16 (2006.01); C25F 7/00 (2006.01)

CPC (source: EP)

C25F 3/16 (2013.01); C25F 7/00 (2013.01)

Designated contracting state (EPC)

DE FR GB IT SE

DOCDB simple family (publication)

EP 0020956 A1 19810107; EP 0020956 B1 19830727; DD 151332 A5 19811014; DE 2923085 A1 19801218; DE 3064379 D1 19830901; ES 491697 A0 19801216; ES 8101133 A1 19801216

DOCDB simple family (application)

EP 80102453 A 19800506; DD 22162180 A 19800605; DE 2923085 A 19790607; DE 3064379 T 19800506; ES 491697 A 19800521