The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 2014
Filed:
Oct. 06, 2011
Applicants:
Gil-ho Kang, Daejeon, KR;
Heon-sung Kang, Cheongju-si, KR;
Seong-moon Jung, Daejeon, KR;
Inventors:
Assignee:
LG Hausys, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B 1/84 (2006.01); E04B 1/82 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a gypsum panel having outstanding sound-absorbing properties whereby it is possible to impart various aesthetic effects while also having outstanding sound-absorbing effects. The gypsum panel having outstanding sound-absorbing properties according to the present invention comprises: a perforated gypsum body having a plurality of holes, and a sound-absorbing cover layer which is attached to one side of the gypsum body and which has through-holes of a smaller size than the holes, wherein the mean diameter of the through-holes is between 10 and 40 μm.