Metal-flake manufacturing apparatus

Details Metal-flake manufacturing apparatus Metal-flake manufacturing apparatus

B - Operations, Transporting

22

D

B22D 11/06 (2006.01)

Patent

CA 2358909

Cooling rolls (11) and (12) are spaced to have a gas of a size greater than thickness of metal thin bodies to be produced. A nozzle (14) is arranged to eject molten metal onto a surface of the cooling roll (11). The first cooling roll (11) quenches molten metal ejected from the nozzle (14) into metal thin bodies. On the next cooling roll (12), the produced metal thin bodies are hit into flakes and excessive molten metal is made into metal thin bodies. Thus, freedom of supplying the molten metal is enhanced and metal flakes can be efficiently produced.

L'invention concerne un dispositif de production de bande métallique mince comportant des rouleaux de refroidissement (11, 12) espacés par une distance supérieure à l'épaisseur d'un corps métallique mince à produire, et une buse (14) qui déverse du métal fondu sur la surface du rouleau de refroidissement (11). Le métal fondu issu de la buse (14) est refroidi par le premier rouleau de refroidissement (11), donnant un corps métallique mince ensuite formé en bande mince par percussion contre le second rouleau de refroidissement (12), tandis que le métal fondu excédentaire est formé en un corps métallique mince. On améliore ainsi la souplesse d'alimentation en métal fondu tout en stabilisant la production efficace de la bande métallique mince considérée.

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