ACOUSTIC CONSTRUCTION ELEMENT - Patent 1483457

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EP 1 483 457 A1

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(43)	Date of publication:
	08.12.2004 Bulletin 2004/50

(21)	Application number: 02727439.8

(22)	Date of filing: 14.03.2002

(51)	International Patent Classification (IPC)⁷: E04B 1/84, E01F 8/00, B28B 3/20, B28B 3/26

(86)	International application number:
	PCT/EP2002/003045

(87)	International publication number:
	WO 2003/076736 (18.09.2003 Gazette 2003/38)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

(71)	Applicant: Wienerberger Bricks N.V.
	8500 Kortrijk (BE)

(72)	Inventor:
	VAN REETH, Rudy B-2870 Puurs (BE)

(74)	Representative: Ostyn, Frans, Ing.
	K.O.B. NVPresident Kennedypark 31 C B-8500 Kortrijk B-8500 Kortrijk (BE)

(54)	ACOUSTIC CONSTRUCTION ELEMENT