Global Patent Index - EP 0946777 B1

EP 0946777 B1 20010711 - METHOD OF HEAT-TREATING THIN SHEET COATED WITH ZnAl BY HOT DIP GALVANIZATION

Title (en)

METHOD OF HEAT-TREATING THIN SHEET COATED WITH ZnAl BY HOT DIP GALVANIZATION

Title (de)

VERFAHREN ZUM WÄRMEBEHANDELN VON ZnAl-SCHMELZTAUCHBESCHICHTETEM FEINBLECH

Title (fr)

PROCEDE DE TRAITEMENT THERMIQUE DE TOLE FINE RECOUVERTE DE ZnAl PAR GALVANISATION A CHAUD

Publication

EP 0946777 B1 20010711 (DE)

Application

EP 97942907 A 19970903

Priority

  • DE 19646362 A 19961109
  • EP 9704787 W 19970903

Abstract (en)

[origin: US6231695B1] A thin sheet is coated by hot dip galvanization with a zinc based alloy comprising 3.5% to 15% by weight of aluminum. Immediately after solidification of the coating, the thin sheet is heated for 2 to 10 seconds to a temperature 20 to 100° C. above the melting point of the coating. The thin sheet is then cooled to room temperature.

IPC 1-7

C23C 2/28

IPC 8 full level

C23C 2/28 (2006.01)

CPC (source: EP KR US)

C23C 2/261 (2022.08 - EP KR US); C23C 2/28 (2013.01 - EP US); C23C 2/29 (2022.08 - EP KR US); C23C 2/40 (2013.01 - KR)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

US 6231695 B1 20010515; AT E203062 T1 20010715; AU 4457497 A 19980603; AU 728356 B2 20010104; CA 2270897 A1 19980522; DE 19646362 A1 19980514; DE 19646362 C2 20000706; DE 59704040 D1 20010816; EP 0946777 A1 19991006; EP 0946777 B1 20010711; ES 2161475 T3 20011201; JP 2001504161 A 20010327; KR 20000053154 A 20000825; PL 184212 B1 20020930; PL 333106 A1 19991108; WO 9821378 A1 19980522

DOCDB simple family (application)

US 30810499 A 19990602; AT 97942907 T 19970903; AU 4457497 A 19970903; CA 2270897 A 19970903; DE 19646362 A 19961109; DE 59704040 T 19970903; EP 9704787 W 19970903; EP 97942907 A 19970903; ES 97942907 T 19970903; JP 52206898 A 19970903; KR 19997004089 A 19990507; PL 33310697 A 19970903