Patent · US Active

Method for producing a filter element

US10639565B2 · kind B2 · utility

0Cited by

5References

16Claims

0Family size

Assignee

HYDAC FILTERTECHNIK GMBH · DE

Inventor

Harald Mees · Lebach, DE

Key dates

Filing date	Jan 25, 2011
Grant date	May 5, 2020
Priority date	—
Expiry date	Sep 3, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2031/14
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method for producing a filter element for filtering fluids, such as hydraulic fluids, lubricants or fuels, includes the following steps: a) providing at least one section of a filter mat web (14) made of one or more layers of at least one filter medium; b) connecting the ends of the at least one section to form an annular body (12) and placing that annular body onto a support pipe (16); c) wrapping at least one cutout of a film web (8) around the outside of the annular body (12) located on the support pipe (16) and d) placing end areas (24) of the at least one cutout of the film web (8) one on top of the other and connecting the overlapping end areas (24).

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