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:
Mar. 14, 2017
Filed:
Jun. 25, 2013
Applicant:
Lg Hausys, Ltd., Seoul, KR;
Inventors:
Assignee:
LG HAUSYS, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/162 (2006.01); G10K 11/168 (2006.01); E04B 1/82 (2006.01); G10K 11/172 (2006.01); D06M 15/248 (2006.01); D06M 23/16 (2006.01); E04B 1/84 (2006.01); G10K 11/16 (2006.01);
U.S. Cl.
CPC ...
E04B 1/8209 (2013.01); D06M 15/248 (2013.01); D06M 23/16 (2013.01); E04B 1/8409 (2013.01); G10K 11/172 (2013.01);
Abstract
Provided is a sound absorption sheet comprising an improved micro-resonance layer formed by means of a porous substrate and printing. The method for manufacturing a sound absorption sheet comprises the steps of: preparing a porous substrate; forming a micro-resonance layer by printing on the upper part of the porous substrate; and drying the micro-resonance layer.