Compound mold tooling for controlled heat transfer

Details Compound mold tooling for controlled heat transfer Compound mold tooling for controlled heat transfer

B - Operations, Transporting

29

C

B29C 33/04 (2006.01)

Patent

CA 2693849

In one embodiment, a tool for forming an article in a molding operation has a tool body (22) formed from a non--particulate material, with a particulate material bonded to the body (22). The body (22) provides a forming surface (24) for forming the article. The particulate material, or the particulate material and the tool body (22) collectively provide a duct for conveying a fluid for transfer of heat with the forming surface (24). In another embodiment, the tool has a tool body (22) formed from a non-particulate material with a cavity and the particulate material is disposed within the cavity (34). A heat transfer material is disposed in the cavity (34) bonding the particulate material to the tool body (22). Methods for manufacturing such tools are also disclosed.

L'invention concerne, dans un mode de réalisation, un outil pour former un objet dans une opération de moulage qui comporte un corps d'outil (22) formé d'un matériau non particulaire, avec un matériau particulaire collé au corps (22). Le corps (22) fournit une surface de formation (24) pour former l'objet. Le matériau particulaire, ou le matériau particulaire et le corps d'outil (22) fournissent collectivement un conduit pour acheminer un fluide pour le transfert de chaleur avec la surface de formation (24). Dans un autre mode de réalisation, l'outil comporte un corps d'outil (22) formé à partir d'un matériau non particulaire avec une cavité et le matériau particulaire est disposé dans la cavité (34). Un matériau de transfert thermique est disposé dans la cavité (34) collant le matériau particulaire au corps d'outil (22). Des procédés de fabrication de ces outils sont également décrits.

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