C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 4/12 (2006.01) B23P 15/12 (2006.01) E04C 2/42 (2006.01) E04F 19/10 (2006.01) F16S 3/00 (2006.01)
Patent
CA 2469345
A method of making grating wherein grating bars are provided with an anti-slip coating. The grating bars are placed side by side with their top edges aligned and with the sides of adjacent bars in contact with each other. The grating bars are held stationary relative to each other. Molten metal is sprayed on to the top edges to form a rough surface on the top edges. The grating bars are subsequently separated and assembled together in a spaced relationship by attaching transversely extending members to the grating bars.
Une méthode de fabrication de grille dont les barres sont enduites d'un revêtement antidérapant. Les barres de la grille sont placées côte à côte, leurs bords supérieurs étant alignés et les côtés des barres adjacentes étant en contact les uns avec les autres. Les barres de la grille sont maintenues fixes les unes par rapport aux autres. Du métal fondu est pulvérisé sur les bords supérieurs pour y former une surface rugueuse. Les barres de la grille sont ensuite séparées et assemblées ensemble, et sont espacées à l'aide d'éléments se prolongeant transversalement par rapport aux barres de la grille.
Smart & Biggar
W.s. Molnar Company
LandOfFree
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