C - Chemistry – Metallurgy – 25 – F
Patent
C - Chemistry, Metallurgy
25
F
C25F 1/00 (2006.01) B23H 3/00 (2006.01) B23H 5/00 (2006.01) C25F 5/00 (2006.01) C25F 7/00 (2006.01) H05K 3/26 (2006.01)
Patent
CA 2341622
A method and apparatus for cleaning conductive bodies (22) using a basic aqueous disodium phosphate and sodium bicarbonate electrolyte (16). The outside surfaces of a metallic body (22) is cleaned by placing the body (22) in contact with the electrolyte (16) and flowing DC current from an anode (18) to the body (22), which forms a cathode. The body (22) may be immersed in the electrolyte (16) or the electrolyte may be sprayed onto the body.
La présente invention concerne un procédé et un dispositif de nettoyage de corps électroconducteurs par utilisation d'un électrolyte basique aqueux (16) de phosphate disodique et de bicarbonate de soude. Pour nettoyer les surfaces externes d'un corps métallique (22), on met ce corps (22) en contact avec l'électrolyte (16), et on fait passer un courant continu d'une anode (18) vers le corps (22) qui constitue une cathode. Le traitement se fait, soit en plongeant le corps (22) dans l'électrolyte, soit en pulvérisant sur le corps l'électrolyte.
Hoffman John E. Jr.
Hoffman Richard A. SR.
Hoffman Industries International Ltd.
Smart & Biggar
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