Patent · US Expired

Castings and their production process

US4755437A · kind A · utility

8Cited by
4References
4Claims
0Family size

Inventors

Key dates

Filing dateMar 5, 1987
Grant dateJul 5, 1988
Priority date
Expiry dateMar 5, 2007

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 fibers 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.