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. 23, 2025
Filed:
Jun. 02, 2022
Applicant:
Bridgestone Corporation, Tokyo, JP;
Inventor:
Yasuyuki Ishihara, Tokyo, JP;
Assignee:
BRIDGESTONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 30/06 (2006.01);
U.S. Cl.
CPC ...
B29D 30/0629 (2013.01); B29D 2030/0607 (2013.01); B29D 2030/0631 (2013.01);
Abstract
The provided is a mold for forming a tire and a tire production method that can reduce the driving force required to drive the segment in the initial stage of releasing a tire from the mold. The mold for forming a tire comprises: a circular tread molding portion divided into a plurality of circumferentially aligned segments; and a tilting mechanism that tilts the segments radially outward when the tread molding portion is opened radially outward, and the tilting mechanism reverts the tilt of the segments after the tread molding portion is opened.