Patent · US Expired

Process for the impact healing of inner discontinuities or defects in the sub-surface region of a cast component

US5003880A · kind A · utility

3Cited by

11References

13Claims

0Family size

Assignee

Georg Fischer LLC · CH

Inventors

Karl Gut · Benken, CH
Wolfgang A. Matejka · Uhwiesen, CH
Walter Gysel · Schaffhausen, CH
Urs Gerber · Flurlingen, CH

Key dates

Filing date	Apr 14, 1988
Grant date	Apr 2, 1991
Priority date	—
Expiry date	Apr 14, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S72/706
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A process for the impact healing of inner discontinuities or defects in the surface area of a cast workpiece where the defects are localized comprises locating an explosive charge on the surface of the workpiece over the inner discontinuities or defects and detonating the explosive charge.

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