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:
Apr. 11, 2017
Filed:
Dec. 01, 2014
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 3/26 (2006.01); B32B 3/26 (2006.01); B28B 3/26 (2006.01); B29C 47/08 (2006.01); B29C 47/30 (2006.01); B29C 47/00 (2006.01); B32B 37/12 (2006.01);
U.S. Cl.
CPC ...
B32B 3/266 (2013.01); B28B 3/269 (2013.01); B29C 47/085 (2013.01); B29C 47/0852 (2013.01); B29C 47/30 (2013.01); B29C 47/0028 (2013.01); B29C 47/0859 (2013.01); B32B 2037/1246 (2013.01);
Abstract
A die for forming a honeycomb structure, including: a second plate-shaped portion that is formed of iron and the like and has back holes; and a first plate-shaped portion that is formed of tungsten carbide based cemented carbide and has cavities communicating with the back holes and slits communicating with the cavities, with the first plate-shaped portion having a first layer arranged in the second plate-shaped portion side and a second layer arranged on the first layer, the cavities are opened on both sides of the first layer, and the slits are opened on both sides of the second layer.