Patent · US Expired

Powder metallurgical body with compacted surface

US6171546A · kind A · utility

11Cited by

8References

20Claims

0Family size

Assignee

HOGANAS AB

Inventors

Owe Mars · Viken, SE
Nils Carlbaum

Key dates

Filing date	Dec 10, 1998
Grant date	Jan 9, 2001
Priority date	—
Expiry date	Dec 10, 2018

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F2999/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present invention concerns compacted and optionally presintered bodies, which are prepared from metal powders and which have densified surfaces, obtained by shot peening or rolling.

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