Patent · US Expired

Dry die wall lubrication

US6190605A · kind A · utility

5Cited by

6References

6Claims

0Family size

Assignee

Zenith Sintered Products, Inc. · US

Inventors

Terry M. Cadle · Wauwatosa, US
Joel H. Mandel · Hartford, US
Paul R. Roskopf · Richfield, US

Key dates

Filing date	Dec 21, 1999
Grant date	Feb 20, 2001
Priority date	—
Expiry date	Dec 21, 2019

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F3/02
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method for high density long fill compaction of metallic powders uses a precisely temperature controlled mold and a dry sprayed lubricant which has the characteristic of softening on contact with the mold and smearing on the mold wall during compaction, yet on ejection not causing powder adherence.

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