Back-up device for use in a melt distribution apparatus of...

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 45/28 (2006.01) B29C 45/17 (2006.01)

Patent

CA 2726653

Disclosed, amongst other things, is a back-up device that is configured to provide a structural support, in use, between a manifold and a housing member within a melt distribution apparatus of an injection molding system. The back-up device is associated, in use, with a valve-gate apparatus within a nozzle drop. The back-up device includes a cold-side member formed from a first material and a hot-side member formed from a second material. The first material is more thermally conductive than the second material. The cold-side member is configured to be thermally connectable, in use, with the housing member and the hot-side member. The hot-side member is configured to be thermally connectable, in use, with the manifold and the cold-side member. The hot-side member is also configured to prevent the cold-side member from directly contacting the manifold.

La présente invention concerne, notamment, un dispositif de secours qui est configuré pour fournir un support structurel, lors de son utilisation, entre un collecteur et un élément de boîtier dans un appareil de distribution de coulée dun système de moulage par injection. Le dispositif de secours est associé, lors de son utilisation, à un appareil à obturateur dans une chute de buse. Ce dispositif de secours inclut un élément de côté froid formé à partir dun premier matériau et un élément de côté chaud formé à partir dun second matériau. Le premier matériau est davantage thermoconducteur que le second matériau. Lélément de côté froid est configuré pour pouvoir être raccordé thermiquement, lors de son utilisation, à lélément de boîtier et à lélément de côté chaud. Lélément de côté chaud est configuré pour pouvoir être raccordé thermiquement, lors de son utilisation, au collecteur et à lélément de côté froid. Lélément de côté chaud est également configuré pour empêcher lélément de côté froid de venir en contact direct avec le collecteur.

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