SOUND-ABSORBING NOISE BARRIER

WIPO Patent Application WO/2010/147324

A2

The present invention relates to a sound-absorbing noise barrier, and more specifically to one comprising: a main body which has a front surface and a rear surface and extends horizontally and in which a space is formed between the front surface and the rear surface; and a sound-absorbing material which is accommodated in the space of the main body and is disposed a distance away from the front surface and the rear surface respectively, wherein the front surface of the main body is formed with vertically oriented alternating projections and recesses and is formed with a plurality of sound-absorbing holes, and the overall cross-sectional area of the sound-absorbing holes is at least 20% of the cross-sectional area of the front surface. The sound-absorbing noise barrier of the present invention can be variously employed in construction and industrial products, has good sound-absorbing characteristics across a wide frequency range, and can present an aesthetically appealing external effect.

JP3746391	STRUCTURE OF HANDRAIL
WO/1984/002998	ACOUSTIC ABSORPTION FOR ALVEOLAR MATERIAL
JPH11287004	SOUNDPROOF INTERIOR FINISHING UNIT FOR HOUSING

CHAE KYOUNG MYOUNG (KR)
KIM KANGWOO (KR)
KIM DONGJIN (KR)
JOUNG JAE-YOUL (KR)
HWANG YUNHWAN (KR)

PCT/KR2010/003623

December 23, 2010

June 07, 2010

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LG HAUSYS LTD (KR)
CHAE KYOUNG MYOUNG (KR)
KIM KANGWOO (KR)
KIM DONGJIN (KR)
JOUNG JAE-YOUL (KR)
HWANG YUNHWAN (KR)

E04B1/82; E01F8/00; E04B1/84

KR100291214B1	2001-03-08
KR100792176B1	2008-01-07
KR200362414Y1	2004-09-18
JP2004232262A	2004-08-19

See references of EP 2466010A4

DAE-A INTERNATIONAL IP & LAW FIRM (KR)
특허법인 대아 (KR)

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