WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO1982000475) PROTECTING STEEL DURING HEAT TREATMENT
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1982/000475    International Application No.:    PCT/GB1981/000152
Publication Date: 18.02.1982 International Filing Date: 30.07.1981
IPC:
B23K 35/22 (2006.01), C21D 1/68 (2006.01)
Applicants: MOLDLINE LIMITED.
CHAPPELL, John, Johnson;
Inventors: CHAPPELL, John, Johnson;
Priority Data:
Title (EN) PROTECTING STEEL DURING HEAT TREATMENT
(FR) PROTECTION DE L'ACIER PENDANT UN TRAITEMENT THERMIQUE
Abstract: front page image
(EN)In order to reduce loss from a steel article due to scaling when it is subjected to a treatment involving heating, for example annealing or hot rolling, a coating composition is applied to the article to form thereon a coating comprising finely divided iron oxide particles. Preferred coating compositions include red mud which is a residue left after the extraction of alumina from bauxite, and flue dust from an iron- or steel-melting furnace.
(FR)De maniere a reduire les pertes d'un article en acier dues a l'ecaillage lorsqu'il est soumis a un traitement faisant appel a la chaleur, par exemple un recuit ou un laminage a chaud, une composition de revetement est appliquee sur l'article pour former un revetement comprenant des particules d'oxyde de fer finement divisees. Des compositions de revetement preferees comprennent de la boue rouge qui est un residu obtenu apres extraction de l'alumine de la bauxite, et de la poussiere de gueulard obtenue d'un four de fusion du fer ou de l'acier.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)