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:
Oct. 07, 2025

Filed:

Dec. 01, 2022
Applicant:

Toyo Tire Corporation, Itami, JP;

Inventor:

Sho Taniguchi, Itami, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B 7/76 (2006.01); B29B 7/00 (2006.01); B29K 507/04 (2006.01); B29L 30/00 (2006.01);
U.S. Cl.
CPC ...
B29B 7/002 (2013.01); B29B 7/7621 (2013.01); B29B 7/7647 (2013.01); B29B 7/7663 (2013.01); B29K 2507/04 (2013.01); B29L 2030/00 (2013.01);
Abstract

A rubber composition manufacturing method comprises an operation in which at least rubber, silica, and silane coupling agent are kneaded in an internal kneader at not less than a temperature lower limit for a coupling reaction between the silica and the silane coupling agent to proceed. For at least a portion of time during which that operation is being carried out, a compressed gas is delivered to the kneading chamber while the ram is in a nonpressing state.


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