公开(公告)号：US09861918B2

公开(公告)日：2018-01-09

申请号：US14784793

申请日：2014-02-17

Applicant: Sefar AG

Inventor： Isabell Erlenmaier ,  Christoph Maurer ,  Christian Gurtner ,  Christian Dietmayer

IPC: B01D39/08 ,  B01D33/048 ,  B01D33/04 ,  D03D1/00 ,  D03D11/00 ,  D03D13/00 ,  D03D15/00

CPC classification number: B01D39/08 ,  B01D33/042 ,  B01D33/048 ,  B01D2239/0654 ,  D03D1/00 ,  D03D11/00 ,  D03D13/004 ,  D03D15/0094 ,  D10B2505/04

Abstract: The invention relates to a filter medium having a filter fabric on an upper side and a support fabric on a lower side, wherein the filter fabric and the support fabric have different yams and together take the form of a double weave, wherein the filter fabric has a pore count of 4000/cm2 or greater, preferably 5000/cm2.

公开(公告)号：US09993759B2

公开(公告)日：2018-06-12

申请号：US14769631

申请日：2014-06-26

Applicant: Sefar AG

Inventor： Isabell Erlenmaier ,  Christian Dietmayer ,  Christian Gurtner ,  Christoph Maurer

IPC: B01D39/08 ,  D03D1/00 ,  B24B55/12 ,  B01D35/02

CPC classification number: B01D39/083 ,  B01D35/02 ,  B01D39/086 ,  B01D2239/0654 ,  B01D2239/1216 ,  B01D2239/1291 ,  B24B55/12 ,  D03D1/00

Abstract: The invention relates to a filter device for treating a rinsing liquid for material-removing machining, said filter device having a filter element through which the rinsing liquid can be conducted for separating removed material particles. In order to increase the service life, the filter element is provided with a filter fabric, on the filtration upper side of which are formed fabric pores in the form of distinctive longitudinal slots which have a ratio of length to width of ≥4:1.