CitationDownload as .RIS
Emerald Group Publishing Limited
Copyright © 2003, MCB UP Limited
Keywords: Moulding, Casting, Patents
Applicants: CT Sviluppo Materiali S P A; Pocci Dante; Taccardo Dino; Microcast S R L, ItalyPatent number: WO0245884Publication date: 13 June 2002Title: Process for the manufacturing of moulds
This patent relates to a process for the manufacturing of moulds suitable for precision casting, die casting, injection moulding and other similar shell casting processes.
The process comprises the steps of: providing a die holder cavity which is suitable for receiving a main pattern from which a mould is to be produced; placing the main pattern, provided with spacers, in the die holder cavity; casting a low-melting alloy such as tin-bismuth (Sn-Bi) into the cavity and allowing the casting to harden; and finally removing a mould to be used for obtaining investment patterns.