Patent · US Expired

Method of making a piston

US4997024A · kind A · utility

18Cited by
7References
11Claims
0Family size

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Inventors

Key dates

Filing dateJul 6, 1989
Grant dateMar 5, 1991
Priority date
Expiry dateJul 6, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49984
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method of bonding a component in a piston, involves the steps of coating the component surfaces to be bonded with an oxidation-resistant particulate material, preheating the coated component, placing the preheated component in a casting die and then casting an aluminum alloy around the component. The casting technique may comprise squeeze-casting.

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