Patent · US Active

Filter cartridge comprising a weld seam

US10220344B2 · kind B2 · utility

0Cited by

8References

20Claims

0Family size

Assignee

Carl Freudenberg KG · DE

Inventors

Karsten Schulz · Melbourne, AU
Georg Hirsch · Ubstadt-Weiher, DE
Andreas Krahmer · Mannheim, DE
Rainer Kaffenberger · Reichelsheim, DE
Hans Wiegand · Fürth, DE

Key dates

Filing date	Jul 20, 2016
Grant date	Mar 5, 2019
Priority date	—
Expiry date	Jul 30, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2275/206
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter cartridge has a folded filter medium that is formed into a prism at least in regions and comprises two interconnected end folds, and which filter cartridge is constantly or cyclically subjected to stresses, specifically subjected to stresses from dedusting by means of pressure surges, is characterized in that the end folds overlap one another.

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