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:
Feb. 13, 2018
Filed:
Jan. 21, 2014
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventors:
Jun Sasaki, Tokyo, JP;
Shigeru Hashimoto, Shimonoseki, JP;
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 30/06 (2006.01); B29C 33/30 (2006.01); B29C 37/00 (2006.01); B29C 33/42 (2006.01);
U.S. Cl.
CPC ...
B29D 30/0629 (2013.01); B29C 33/30 (2013.01); B29C 37/0053 (2013.01); B29C 33/424 (2013.01);
Abstract
A pattern block can be easily attached to a sector with high positional accuracy, and furthermore, the strength thereof is enhanced. The present invention provides a sector mold constituted by attaching a pattern block to a sector, and the sector mold includes: the sector including an embedding groove and holes for positioning pins; and the pattern block including a convex portion for an embedding groove and positioning pins, on a back body surface, corresponding to the embedding groove and the holes for the positioning pins, respectively.