A FILTER IN A SPIRAL TYPE FORMING A PLURALITY OF PROMINENCE AND DEPRESSION IN THE FORM OF THE RIB OF A FAN IN TURN ON SURFACE AND MANUFACTURING METHOD AND MACHINE THEREFOR - Patent 1644099

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EP 1 644 099 A1

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(43)	Date of publication:
	12.04.2006 Bulletin 2006/15

(21)	Application number: 04711316.2

(22)	Date of filing: 14.02.2004

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International Patent Classification (IPC):

B01D 39/00^(1968.09)

(86)	International application number:
	PCT/KR2004/000304

(87)	International publication number:
	WO 2004/071621 (26.08.2004 Gazette 2004/35)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

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Priority:

17.02.2003 KR 2003009874
23.05.2003 KR 2003033117
02.02.2004 KR 2004006752

(71)	Applicant: DHInternational Co., Ltd.
	Yongin-si, Gyeonggi-do 449-863 (KR)

(72)	Inventors:
	KIM, JUN-SU Gwangju-si 464-705 (KR) BAE, Dong-Ho, 101-1110 Mirabo Apt. Gyeonggi-do 472-804 (KR)

(74)	Representative: Sternagel, Fleischer, Godemeyer & Partner
	Braunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)

(54)	A FILTER IN A SPIRAL TYPE FORMING A PLURALITY OF PROMINENCE AND DEPRESSION IN THE FORM OF THE RIB OF A FAN IN TURN ON SURFACE AND MANUFACTURING METHOD AND MACHINE THEREFOR