Israel state records י"ג בשבט התשס"ח January 20, 2008

ארגוני סינון אוויר בעלי מבנה של אמצעי מחורץ ושיטות	AIR FILTRATION ARRANGEMENTS HAVING FLUTED MEDIA CONSTRUCTIONS AND METHODS
[54]
	10.08.2001					[22]
	US	[33]	05.09.2000	[32]	60/230138	[31]
	US		31.05.2001		09/871590
Int. Cl.8 B01D 039/16, 046/24, 046/52						[51]
			DONALDSON COMPANY, INC., U.S.A.			[71]
	WO/2002/020135					[87]
לוצאטו את לוצאטו, גן תעשייה, עומר , ת.ד. 5352, באר שבע			LUZZATTO & LUZZATTO, INDUSTRIAL PARK, OMER, P.O.B. 5352, BEER-SHEVA 84152			[74]

[57] A filter element arrangement comprising:

(a) a media pack having a substrate comprising first and second opposite flow faces and a plurality of flutes wherein in said media pack:

(i) each of said flutes has a first end portion adjacent to said first flow face and a second end portion adjacent to said second flow face;

(ii) selected ones of said flutes being open at said first end portion and closed at said second end portion; and selected ones of said flutes being closed at said first end portion and open at said second end portion;

(iii) said substrate at least partially covered by a layer comprising fine fiber comprising a fiber with a diameter of about 0.01 to 0.5 microns such that the fiber retains greater than 30% of the fiber unchanged for filtration purposes when exposed for 16 hours to 140˚F air at a relative humidity of 100%.

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