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:
Oct. 17, 2000
Filed:
Dec. 18, 1996
Makoto Mouri, Seto, JP;
Arimitsu Usuki, Nagoya, JP;
Atsushi Murase, Nagoya, JP;
Norio Sato, Nagoya, JP;
Yasuyuki Suzuki, Toyota, JP;
Masao Owaki, Aichi-ken, JP;
Kazuya Watanabe, Inazawa, JP;
Hidenobu Honda, Ichinomiya, JP;
Katsumi Nakashima, Inchinomiya, JP;
Katsumasa Takeuchi, Ichinomiya, JP;
Masayoshi Ichikawa, Ichinomiya, JP;
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi-gun, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Toyoda Gosei Co., Ltd., Nishikasugai-gun, JP;
Abstract
Devulcanized rubber in which sulfuric crosslinking bonds are cut and which contains carbon black particles having very small diameters. Vulcanized rubber of discarded products is devulcanized by heating it at a temperature of 180.degree. C. --350.degree. C. and applying a shearing pressure of 10-150 kg/cm.sup.2 thereto. Reclaimed rubber products are manufactured by vulcanizing and molding, into desired shapes, a material made of only devulcanized rubber in which sulfuric crosslinking bonds are cut and which contains carbon black particles having very small diameters or a material made of the devulcanized rubber mixed with virgin unvulcanized rubber.