Silencer for a ventilation duct

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EP 1 531 308 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	11.04.2007 Bulletin 2007/15

(45)	Mention of the grant of the patent:
	14.02.2007 Bulletin 2007/07

(21)	Application number: 04397021.9

(22)	Date of filing: 12.11.2004

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International Patent Classification (IPC):

F24F 13/24^(2006.01)
F16L 55/033^(2006.01)

F16L 55/027^(2006.01)

(54)	Silencer for a ventilation duct Schalldämpfer für einen Belüftungskanal Silencieux pour un conduit de ventilation

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

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Priority:

12.11.2003 FI 20035204

(43)	Date of publication of application:
	18.05.2005 Bulletin 2005/20

(73)	Proprietor: Dir-Air Oy
	11710 Riihimäki (FI)

(72)	Inventor:
	Dir-Air Oy 11710 Riihimäki (FI)

(74)	Representative: Pursiainen, Timo Pekka
	Tampereen Patenttitoimisto Oy, Hermiankatu 12B 33720 Tampere 33720 Tampere (FI)

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References cited: :

EP-A- 1 063 479
DE-A1- 4 311 334
FI-A- 823 060

WO-A-91/14138
DE-U1- 29 609 785
GB-A- 984 817

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).