Nanocrystalline hot runner nozzle

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 45/20 (2006.01)

Patent

CA 2682136

The present invention is a nozzle for an injection molding runner system where parts of the nozzle, and in particular the nozzle tip are made from a nanocrystalline material. Nanocrystalline materials used include nanocrystalline copper and nanocrystalline nickel, which have high thermal conductivity and increased material strength. A conventional form of the metal is worked till its grains are reduced in size to less than 100 nm to achieve the desired properties.

La présente invention porte sur une buse pour système de moulage à canaux d'injection chauffés. Certaines parties de la buse, en particulier son pointeau, sont faites d'un matériau nanocristallin. Les matériaux nanocristallins utilisés comprennent le cuivre nanocristallin et le nickel nanocristallin, dont la conductivité thermique est élevée et la résistance accrue. Une forme classique du métal est travaillée jusqu'à ce que ses grains soient réduits à moins de 100 nm pour obtenir les propriétés désirées.

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