Patent · US Expired

Ceramic foam filter apparatus

US5004545A · kind A · utility

4Cited by

3References

7Claims

0Family size

Assignee

Foseco International Limited · GB

Inventors

Hans-Peter Wahl · Schopfheim, DE
Rudolf Schlueter · Velen, DE
Wolfgang P. Kaettlitz · Borken, DE
Rolf Loos · Eppertshausen, DE

Key dates

Filing date	Jun 28, 1990
Grant date	Apr 2, 1991
Priority date	—
Expiry date	Jun 28, 2010

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22C9/086
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter for use in the filtration of molten metals comprises a ceramic foam having a gasket made from fibrous material surrounding its peripheral surface and a metallic foil, such as aluminum foil, fixed to the gasket, for example by means of an adhesive, around the outer peripheral surface of the gasket.

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