Patent · US Expired

Construction elements produced by powder metallurgy

US4886639A · kind A · utility

10Cited by

2References

24Claims

0Family size

Assignee

MTU Motoren-und Turbinen-Union MÃƒÂ¼nchen GmbH · DE

Inventors

Gerhard Andrees · Munich, DE
Josef Kranzeder · Erding, DE
Wilhelm Vogel · Stuttgart, DE

Key dates

Filing date	Apr 30, 1987
Grant date	Dec 12, 1989
Priority date	—
Expiry date	Apr 30, 2007

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F2998/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Structural component made of powder metallurgical materials, particularly temperature resistant alloys, nickel base alloys, are produced by injection molding or pressing. The sintering is divided into individual work steps for producing dense and smooth structural components which are true to shape.

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