Global Patent Index - EP 0037143 B1

EP 0037143 B1 19850320 - HOT DIP COATING PROCESS

Title (en)

HOT DIP COATING PROCESS

Publication

EP 0037143 B1 19850320 (FR)

Application

EP 81200313 A 19810320

Priority

  • BE 6047114 A 19800325
  • BE 6047183 A 19800609
  • BE 6047184 A 19800609

Abstract (en)

[origin: EP0037143A1] 1. Hot dip coating process for products of any shape made of killed, semi-killed or silicon steel in which the said products are dipped into an initial bath made up basically of zinc or a first zinc-aluminium alloy and then into a second bath comprising basically a second zinc-aluminium alloy, the aforementioned first and second baths being at different temperatures, and which is characterized by the fact that at least one of the baths of zinc-aluminium alloy has an aluminium content of between 3 % and 10 % and at least one of the elements Sb, Ce, Mg, La and Sn is added to it in an amount not exceeding 0.5 % by weight.

IPC 1-7

C23C 2/00; C23C 2/06

IPC 8 full level

C23C 2/00 (2006.01); C23C 2/06 (2006.01); C23C 2/12 (2006.01)

CPC (source: EP US)

C23C 2/00 (2013.01 - EP US); C23C 2/06 (2013.01 - EP); C23C 2/12 (2013.01 - EP)

Citation (examination)

Designated contracting state (EPC)

DE FR GB LU

DOCDB simple family (publication)

EP 0037143 A1 19811007; EP 0037143 B1 19850320; DE 3169319 D1 19850425

DOCDB simple family (application)

EP 81200313 A 19810320; DE 3169319 T 19810320