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:
Aug. 06, 2019
Filed:
Nov. 06, 2015
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Ayuko Yamana, Kobe, JP;
Yuka Yokoyama, Kobe, JP;
Masako Nakatani, Kobe, JP;
Takashi Miki, Kobe, JP;
Takuya Horiguchi, Kobe, JP;
Yoichi Mizuno, Kobe, JP;
Takahiro Kawachi, Kobe, JP;
Noboru Okabe, Kobe, JP;
Natsuki Sugimoto, Kobe, JP;
Kenichi Uesaka, Kobe, JP;
Tetsuya Maekawa, Kobe, JP;
Yumi Suzuki, Kobe, JP;
Fumiya Kato, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Abstract
According to a production method of a rubber composition for tire of the present invention comprising a rubber component (A) comprising at least one selected from the group consisting of a natural rubber and a synthetic diene rubber, a filler, a coupling agent (D) of (CHO)—Si—(CH)—S—CO—CH, and a vulcanizing agent (E) comprising a vulcanizer and a vulcanization accelerator, the method comprising: a step X1 of kneading all amount of A, a part of the filler and a part of D, a step X2 of kneading the kneaded product of step X1, the remaining amount of the filler and D, and a step F of kneading the kneaded product of step X2 and E, it is possible to produce a rubber composition for tire in which fuel efficiency and abrasion resistance are improved in a good balance.