Filter, Methoden zur Herstellung eines Filters und Filtermethoden

A filter includes a cylindrical filter element (10) having a longitudinal axis, first and second end surfaces, and a plurality of longitudinal pleats (11). Each of the pleats has a pair of legs with first and second surfaces. The pleats are in a laid-over state in which the first surface of each leg...

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Bibliographische Detailangaben
Hauptverfasser:	WOLFF, TERRY L, WILLIAMSON, KENNETH M, HOPKINS, SCOTT D, GEIBEL, STEPHEN A, STOYELL, RICHARD C
Format:	Patent
Sprache:	ger
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARDOR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER PACKING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION STORING TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	A filter includes a cylindrical filter element (10) having a longitudinal axis, first and second end surfaces, and a plurality of longitudinal pleats (11). Each of the pleats has a pair of legs with first and second surfaces. The pleats are in a laid-over state in which the first surface of each leg is in intimate contact with the first surface of an adjoining leg and the second surface of each leg is in intimate contact with the second surface of an adjoining leg over substantially the entire height of each leg and over a continuous region extending for at least approximately 50% of the axial length of the filter element. An impervious end cap (40) is connected to the first end surface of the filter element.