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.

Date of Patent:
Aug. 04, 2020

Filed:

Aug. 12, 2016
Applicant:

Toyo Tire Corporation, Itami-shi, Hyogo, JP;

Inventor:

Masaaki Ohara, Itami, JP;

Assignee:

TOYO TIRE CORPORATION, Itami-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 30/06 (2006.01); B29C 33/02 (2006.01); B29C 35/02 (2006.01);
U.S. Cl.
CPC ...
B29D 30/0629 (2013.01); B29C 33/02 (2013.01); B29C 35/02 (2013.01); B29D 2030/063 (2013.01); B29D 2030/0612 (2013.01); B29D 2030/0616 (2013.01); B29D 2030/0617 (2013.01);
Abstract

A tire vulcanization mold disclosed herein includes sectors molding a tread portion of the tire and a pair of upper and lower side plates molding a sidewall portion of the tire. Mold parting lines formed by the sectors and a pair of the upper and lower side plates are located in the tread portion. A lateral groove molding rib molding a lateral groove in the tread portion is provided to bridge from the sector to the side plate and a protrusion molding recess used to mold a protrusion at a groove bottom of the lateral groove is provided to the lateral groove molding rib. Mold parting planes including the mold parting lines are provided to divide the lateral groove molding rib where the protrusion molding recess is not provided. An evacuation path from the protrusion molding recess to the mold parting plane is provided to the lateral groove molding rib.


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