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:
Nov. 20, 2012
Filed:
May. 23, 2008
Masanori Ogawa, Tokai, JP;
Makoto Fujii, Tokai, JP;
Naohiro Mizutani, Tokai, JP;
Nagoya Oilchemical Co., Ltd, Aichi, JP;
Abstract
A lightweight sound absorbing surface material, having an excellent sound absorbing property and moldability, and a sound absorbing material using the sound absorbing surface material, are provided in the present invention. The sound absorbing surface materialis manufactured by laminating stretchable paper(s) which is(are) creped and/or embossed (such as a creped paper) onto one or both sides of a fiber sheet. The degree of creping of the paper is in the range of between 10 and 50%, and the height of projections of the embossed paper is in the range of between 0.02 and 2.00 mm, with the number of the projections being in the range of between 20 and 200 projections/cm. Further, the sound absorbing surface materialis laminated onto a air permeable sheet of porous material, to manufacture a sound absorbing material
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile