C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 24/08 (2006.01) C23C 2/26 (2006.01)
Patent
CA 2155420
The method and the plant for continuously producing a ferrous tape substrate (1) coated with a protection material of metal alloy, comprise a series of steps which are carried out in each of the stations of the plant and which consist in: preparing a dispersion of metal alloy powder in a liquid mixture; applying at a coating station (4) the mixture thus prepared on at least one face of the tape (1) of the substrate; passing the tape or band thus coated in a heat treatment oven (5) in order to remove the volatile components of the liquid mixture and to heat the product; cooling the product at the calandering station (6) comprising temperature-regulated rollers (11) brought to pressure contact with the coated band.
Le procédé et l'installation de fabrication en continu d'un substrat ferreux en bande (1), recouvert d'un matériau de protection à base d'alliage métallique, comportent une série d'étapes réalisées dans chacun des postes de l'installation et qui consistent à: préparer une dispersion de poudre de cet alliage métallique dans un mélange liquide; appliquer au moyen d'un poste d'enduction (4) le mélange ainsi constitué sur au moins une face de la bande (1) du substrat; faire passer la bande ainsi revêtue dans un four (5) de traitement thermique pour extraction des composants volatiles du mélange liquide et pour le chauffage du produit; refroidir le produit au moyen d'un poste de calendrage (6) comportant des rouleaux (11) régulés en température et portés au contact sous pression de la bande revêtue.
Fabrique de Fer de Maubeuge
Goudreau Gage Dubuc
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