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:
Dec. 28, 2010
Filed:
Dec. 17, 2007
Takahisa Kaneko, Nagoya, JP;
Masayuki Nate, Nagoya, JP;
Masayuki Hironaga, Nagoya, JP;
Yuji Deguchi, Nagoya, JP;
Takahisa Kaneko, Nagoya, JP;
Masayuki Nate, Nagoya, JP;
Masayuki Hironaga, Nagoya, JP;
Yuji Deguchi, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A die was provided for forming a honeycomb body having a structure provided with groovy slits on a front face thereof, the slits being formed by cell blocks and back holes on a back surface thereof, each hole being communicatively connected with the slit. The die is made of cemented carbide having wear resistance. The cemented carbide is formed by compacting, followed by sintering at high temperature, metal carbide powder of transition metal element series with an iron group metal binder having toughness. A connection area ratio of the back hole and the cell block is 35 to 65%.