Filter pack

US4728426A · kind A · utility

Assignee

• Kernforschungszentrum Karlsruhe GmbH · DE

Inventors

• Volker Rudinger · Blankenloch, DE
• Hans Leibold · Ettlingen, DE
• Ulrich Schlor · Darmstadt, DE
• Werner Alken · Weinheim, DE

Key dates

• Filing date: Dec 4, 1986
• Grant date: Mar 1, 1988
• Expiry date: Dec 4, 2006

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2275/10
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A filter pack for gas and/or liquid filtration employing filter medium surfaces disposed between pairs of spacers, with the spacers having a corrugated configuration and the edges of the corrugations of each spacer preferably being mutually parallel to one another, the improvement wherein the edges of the corrugations of the spacers placed adjacent to the two sides of one filter medium surface are locally oriented at an angle toward one another.