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. 12, 1995
Filed:
May. 31, 1994
Applicant:
Inventor:
Kaname Fukao, Inuyama, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ;
U.S. Cl.
CPC ...
264 86 ; 264 87 ;
Abstract
This method is to mold a ceramic port liner from a ceramic material by drain casting. The slurry of the ceramic material is subjected to a pressure of 5 kgf/cm.sup.2 or higher in a mold. The method is also to mold under the condition that the mold is transformed by reducing a certain volume within the range of 0.3%-1.0% in the direction of constriction applied. According to this method, a ceramic port liner without deformation and unevenness in thickness can be obtained.