Sound absorbing panel construction

(19)

(11)

EP 2 078 797 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	07.07.2010 Bulletin 2010/27

(43)	Date of publication A2:
	15.07.2009 Bulletin 2009/29

(21)	Application number: 09000198.3

(22)	Date of filing: 09.01.2009

(51)

International Patent Classification (IPC):

E04B 1/86^(2006.01)

E04B 1/84^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA RS

(30)

Priority:

10.01.2008 IT MI20080033

(71)	Applicant: Radaelli Angelo S.a.s di Renata Vagni Radaelli & C
	20050 Verano Brianza (MI) (IT)

(72)	Inventor:
	Mascheroni, Luigi, c/o Radaelli Angelo S.A.S. 20050 Verano Brianza (MI) (IT)

(74)	Representative: Cicogna, Franco
	Ufficio Internazionale Brevetti Dott.Prof. Franco Cicogna Via Visconti di Modrone, 14/A 20122 Milano 20122 Milano (IT)

(54)	Sound absorbing panel construction

(57) An improved sound absorbing panel construction is characterized in that it comprises a body made of a powder of wood material and/or a compacted synthetic resin, which has an exposed to the view side, provided to being faced to the outside environment, as the panel is in its installed condition, and a rear side facing a wall or other structure the panel is mounted on; said body comprising, on its exposed to the view side, a plurality of comparatively small cross section slots and a plurality of longitudinal holes or channels extending parallel to the side surfaces and being substantially cross arranged with respect to the slots.

Search report