Patent · US Expired

Material for electric contacts of silver with carbon

US5445895A · kind A · utility

11Cited by

8References

20Claims

0Family size

Assignee

Doduco GmbH & Co., Dr. Eugen Durrwachter · DE

Inventors

Volker Behrens · Bretten, DE
Carl L. Meyer · Pforzheim, DE
Karl E. Saeger · Pforzheim, DE
Thomas Honig · Tiefenbronn, DE
Roland Michal · Pforzheim, DE

Key dates

Filing date	Feb 14, 1994
Grant date	Aug 29, 1995
Priority date	—
Expiry date	Feb 14, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/12167
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A powder-metallaurgically produced material or extruded semi-finished product for electric contacts of silver or a silver-based metal material with 0.5 to 10 wt. % carbon and 0 to 2 wt. % of an additional metal. The material contains powdered carbon in combination with carbon fibers in the mass ratio of 10:1 to 1:10, whereby the diameter of the powder particles is on average smaller than half the length of the fibers.

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