(19)
(11) EP 1 809 825 A1

(12)

(43) Date of publication:
25.07.2007 Bulletin 2007/30

(21) Application number: 05856497.2

(22) Date of filing: 08.10.2005
(51) International Patent Classification (IPC): 
E04B 1/86(2006.01)
(86) International application number:
PCT/KR2005/003350
(87) International publication number:
WO 2006/080731 (03.08.2006 Gazette 2006/31)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 20.10.2004 KR 20040083840

(71) Applicant: Kang, Chun-Won
Iksan-si, Jeollabuk-do 570-731 (KR)

(72) Inventor:
  • Kang, Chun-Won
    Iksan-si, Jeollabuk-do 570-731 (KR)

(74) Representative: Le Forestier, Eric et al
Cabinet Régimbeau 20, rue de Chazelles
75847 Paris cedex 17
75847 Paris cedex 17 (FR)

   


(54) A METHOD FOR IMPROVING WOOD SOUND-ABSORBANCE AND A SOUND-ABSORBING WOOD THEREBY