ACOUSTIC CONSTRUCTION ELEMENT FOR SOUND INSULATION IN A BROAD RANGE OF FREQUENCIES - Patent 1317584

(19)

(11)

EP 1 317 584 A1

(12)

(43)	Date of publication:
	11.06.2003 Bulletin 2003/24

(21)	Application number: 00962489.1

(22)	Date of filing: 13.09.2000

(51)	International Patent Classification (IPC)⁷: E01F 8/00

(86)	International application number:
	PCT/EP0008/988

(87)	International publication number:
	WO 0202/2961 (21.03.2002 Gazette 2002/12)

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

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

(72)	Inventors:
	VAN REETH, Rudy B-2870 Puurs (BE) WAGENER, Fons NL-6681 MA Bemmel (NL)

(74)	Representative: Ostyn, Frans et al
	K.O.B. NV,Kennedypark 31 c 8500 Kortrijk 8500 Kortrijk (BE)

(54)	ACOUSTIC CONSTRUCTION ELEMENT FOR SOUND INSULATION IN A BROAD RANGE OF FREQUENCIES