Patent · US Expired

Filter having a folded dust filter element and a cleaning device for the folded dust filter element

US6638329B2 · kind B2 · utility

8Cited by

11References

5Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventor

Peter Gerold · Weilheim, DE

Key dates

Filing date	Jul 5, 2001
Grant date	Oct 28, 2003
Priority date	—
Expiry date	Jul 25, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2279/55
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter for filtering dust-containing air including a filter insert (2) and a cleaning device (3) having a contact element (6) mechanically contacting the filter insert along an end edge (4a/4b) of a folded dust filter element (5) forming part of the filter insert.

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