Patent · US Expired

Castings and their production process

US4669523A · kind A · utility

7Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 1986
Grant dateJun 2, 1987
Priority date
Expiry dateJun 26, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12486
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention relates to castings constituted by a metal matrix reinforced by fibres and having outgrowths. Firstly, a reinforcing framework is produced, which is incorporated into the fibrous strengthening member, the complete entity being placed in a mould and the metal matrix is cast. The latter penetrates the fibrous strengthening member and the reinforcing framework. The latter is positioned at the location of an outgrowth which, after solidification of the metal matrix, is consequently reinforced. Application to the production of castings having fixing tabs or lobes.

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