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:
Jan. 13, 2026
Filed:
Jun. 13, 2023
Applicant:
Sintokogio, Ltd., Nagoya, JP;
Inventors:
Norihiro Asano, Nagoya, JP;
Norihito Fujiwara, Toyokawa, JP;
Assignee:
SINTOKOGIO, LTD., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/32 (2006.01); B28B 1/00 (2006.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01);
U.S. Cl.
CPC ...
F16C 33/32 (2013.01); B28B 1/001 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F16C 2206/56 (2013.01); F16C 2206/60 (2013.01); F16C 2220/24 (2013.01);
Abstract
A hollow structure is formed from ceramic. The hollow structure includes a main body part and a reinforcing part. The main body part has a spherical outer peripheral surface, and inside the main body part, a hollow is formed. The reinforcing part is formed integrally with the main body part on an inner peripheral surface of the main body part and reinforces the main body part.