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:
Jan. 01, 2002
Filed:
Sep. 27, 1999
Applicant:
Inventors:
Ikuko Umezawa, Hyogo, JP;
Akihiro Nakahara, Osaka-fu, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/24 ;
U.S. Cl.
CPC ...
C08K 5/24 ;
Abstract
Base rubber containing 70-100 wt % of styrene-butadiene rubber whose glass transition temperature (Tg) is higher than −33° C. and less than −10 ° C., a vulcanizing agent, and compounding agents added to the base rubber as necessary are kneaded. A mixture obtained by kneading them is put in a forming die. While the mixture is being injection-molded or press-molded, the base rubber is vulcanized to form an outsole.