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:
Jun. 21, 1988
Filed:
Jul. 11, 1986
Applicant:
Inventors:
Fumihiro Wakai, Nagoya, JP;
Shuji Sakaguchi, Nagoya, JP;
Hiroshi Ohnishi, Osaka, JP;
Hiroshi Tomatsu, Sakai, JP;
Assignees:
Agency of Industrial Science and Technology, Tokyo, JP;
Nippon Kagaku Togyo Co., Ltd., Sakai, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 60 ; 264 66 ; 264332 ;
Abstract
A method for plastic working of ceramics comprising the steps of causing a sintered or pre-sintered body of polycrystalline ceramics containing at 20.degree. C. tetragonal-phase zirconia crystals to undergo plastic deformation at a temperature of about 1,000.degree. C. to about 1,600.degree. C. and then heating the ceramics body at a temperature of about 1,300.degree. C. to about 1,650.degree. C.