Ring-shaped filter element including an annular end plate and a foamed elastic sealing ring

Abstract

A ring-shaped filter element through which material can flow radially. Web material as is provided filter material which is folded in a zigzag shape and sealingly connected at its longitudinal sides relative to a ring-shaped end plate. The end plate is formed of a first area made of a first material, and extends peripherally and not covering a radial inner and/or outer edge area. A second area forms this edge area and is designed for a seal-tight placement onto a connecting part, of a second material. The ring-shaped filter element contains a second area having a second material which is foamed simultaneously onto the web material of the first material already connected fixedly with the web material.

Dependencies are inferred from the claim text.