Global Patent Index - EP 0065015 B1

EP 0065015 B1 19880330 - METHOD OF TREATING THE SURFACE OF AN OBJECT AND APPARATUS THEREFOR

Title (en)

METHOD OF TREATING THE SURFACE OF AN OBJECT AND APPARATUS THEREFOR

Publication

EP 0065015 B1 19880330 (EN)

Application

EP 81103402 A 19810505

Priority

EP 81103402 A 19810505

Abstract (en)

[origin: EP0065015A1] A method of and an apparatus for applying surface treatment on an object-to-be-treated which is continuously moved in a treating liquid from one end of a treating vessel toward the other end thereof usually by a hanging conveyer. The apparatus comprises an overflow outlet (3a) for the liquid disposed on the incoming end of the treating vessel (3), a overflow tank (6) for reservoiring the overflowed liquid, a return passage (7) for returning the liquid from the overflow tank (6) back to the treating vessel (3), a single or a pair of gush-spraying pipes (5a, 5b) of the treating liquid disposed on the incoming end over the surface fo and/or immersed in the liquid, and at least one gush-spraying pipe (11), disposed on the outgoing end of the treating vessel (3).

IPC 1-7

C23C 22/00; B05C 3/10

IPC 8 full level

B05C 3/10 (2006.01); B05D 1/18 (2006.01); C23C 22/00 (2006.01)

CPC (source: EP)

B05C 3/10 (2013.01); B05D 1/18 (2013.01); C23C 22/00 (2013.01)

Citation (examination)

W. Ransch "Die Phosphatierung von Metallen", 1974, Lenze Verlag, pages 85,86,89

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0065015 A1 19821124; EP 0065015 B1 19880330; DE 3176694 D1 19880505

DOCDB simple family (application)

EP 81103402 A 19810505; DE 3176694 T 19810505