Accordion filter insert having an elastic sealing lip unitary with a frame of a filter element

US6162272A · kind A · utility

Assignee

• Firma Carl Freudenberg · DE

Inventors

• Udo Michaelis · Weiterstadt, DE
• Dieter Linse · Schwetzingen, DE
• Jorgen Knudsen · Angelbachtal, DE

Key dates

• Filing date: May 6, 1999
• Grant date: Dec 19, 2000
• Expiry date: May 6, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S264/48
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

An accordion filter insert has a frame formed about the filter material. The frame has an elastically deformable sealing lip on the periphery of the frame. The elastically deformable sealing lip is formed of the same material as the frame itself. The sealing lip and frame are formed as a unitary piece.