C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 24/06 (2006.01) A01N 25/34 (2006.01) A61L 2/16 (2006.01) C23C 26/00 (2006.01)
Patent
CA 2277760
An excellent antibacterial property is afforded upon a metallic article by simple steps of coating a dispersion liquid or a solution of fine particles made of an antibacterial ingredient on the surface of the metallic article and pressing the resulting coated surface of the metallic article under a non-heated condition or rubbing the resulting coated surface of the metallic article. In addition, a conventional rolling step or the like can be used itself without any change in the above treatment, which is economically extremely advantageous. Furthermore, since the antibacterial metallic article according to the present invention is obtained under the non-heated condition, the antibacterial ingredient is not deteriorated. Further, since the antibacterial property is not lost through some abrasion, excellent antibacterial property can be exhibited over an extended time period. Further, there is no fear that surface characteristics of the metallic article, for example, a tone of color will change.
L'invention concerne un procédé de production d'articles métalliques antimicrobiens capables de donner d'excellentes propriétés antimicrobiennes à des articles métalliques. Ledit procédé consiste simplement à appliquer un liquide ou une solution de dispersion de fines particules de composants antimicrobiens sur la surface des articles métalliques et à mettre sous pression la surface recouverte ou à la frotter, sans chauffage. Ledit procédé est extrêmement avantageux économiquement car les étapes de traitement nécessaires sont des étapes de laminage classiques ne nécessitant aucune modification. Etant donné que l'article métallique antimicrobien de l'invention peut être produit sans chauffage, les composants antimicrobiens ne se dégradent pas. De plus, étant donné que les propriétés antimicrobiennes ne disparaissent pas sous l'effet, entre autres, de l'usure, les excellentes propriétés antimicrobiennes peuvent être conservées longtemps et les propriétés de surface de l'article métallique comme la teinte ne changent pas.
Inoue Yoshitomo
Satoh Susumu
Shigeru Keijiro
Tochihara Misako
Yokota Takeshi
Kawasaki Steel Corporation
Smart & Biggar
Sumitomo Osaka Cement Co. Ltd.
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