Patent · US Expired

Lost wax moulding method with contact layer

US7370688B2 · kind B2 · utility

0Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 2005
Grant dateMay 13, 2008
Priority date
Expiry dateMay 10, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22C9/04
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method of manufacture of a multilayer ceramic shell mould whereof at least one contact layer out of a wax master pattern or a part to be manufactured, or other similar material, includes a step of preparing a first slip containing ceramic particles and a binder; a step of dipping the master pattern in a first slip; a step of forming the contact layer, and a step of depositing sand particles particles onto the layer and drying the contact layer. The ceramic particles of the slip are mullite particles and the slip includes a texturing agent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.