EP 0324632 B1 19920513 - COLLARS FOR THE PROTECTION OF ANODE HANGERS IN ALUMINIUM ELECTROLYSIS CELLS
Title (en)
COLLARS FOR THE PROTECTION OF ANODE HANGERS IN ALUMINIUM ELECTROLYSIS CELLS
Publication
Application
Priority
NO 880099 A 19880112
Abstract (en)
[origin: EP0324632A1] A protecting collar used to form a protecting cover of carbonaceous paste (6) over the cast iron connection (7) between a carbon anode (2) and stubs (4) of an anode hanger (1), and around the lower part of the stub (4). The collar (5,8,9) is placed around a stub and the carbonaceous paste (7) is then poured into the spacing between the collar (5,8,9) and the stub (4). The collar is made of cardboard, preferably brown paste board.
IPC 1-7
IPC 8 full level
C25C 3/12 (2006.01)
CPC (source: EP)
C25C 3/125 (2013.01)
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
EP 0324632 A1 19890719; EP 0324632 B1 19920513; AU 2843789 A 19890713; AU 609567 B2 19910502; BR 8900109 A 19890905; CA 1330320 C 19940621; DE 68901461 D1 19920617; ES 2031685 T3 19921216; IS 3427 A7 19890713; NO 163141 B 19900102; NO 163141 C 19900418; NO 880099 D0 19880112; NO 880099 L 19890713; NZ 227574 A 19900926; RU 1838453 C 19930830
DOCDB simple family (application)
EP 89300289 A 19890112; AU 2843789 A 19890112; BR 8900109 A 19890111; CA 587536 A 19890105; DE 68901461 T 19890112; ES 89300289 T 19890112; IS 3427 A 19881230; NO 880099 A 19880112; NZ 22757489 A 19890110; SU 4613336 A 19890111