Ring filter element - with a short fold followed by at least two long folds
摘要
A ring filter element (1) uses a strip (2) of filter paper which is arranged in zigzag folds, with every two long folds (3) followed by one shorter fold (4). ADVANTAGE - This improves the filtration efficiency and lengthens the service time of the filter element.
申请公布号
DE3935503(A1)
申请公布日期
1991.05.02
申请号
DE19893935503
申请日期
1989.10.25
申请人
KNECHT FILTERWERKE GMBH, 7000 STUTTGART, DE
发明人
NICK, RALF, 7067 PLUEDERHAUSEN, DE;NOACK, DIETER, 7120 BIETIGHEIM, DE