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:
Mar. 18, 1980
Filed:
Sep. 16, 1977
Joe A Powell, Norton, OH (US);
The B. F. Goodrich Company, Akron, OH (US);
Abstract
A self supporting tire having a nonstaining high modulus low hysteresis inner sidewall composition comprising: (a) 100 parts by weight of sulfur vulcanizable rubber of which from about 50 to about 95 parts by weight is natural rubber and/or cis-polyisoprene and from about 5 to about 50 parts by weight is at least one elastomer selected from the group consisting of styrene-butadiene and cis-polybutadiene; and (b) from about 25 to about 80 parts by weight of carbon black per 100 parts by weight of rubber, wherein said carbon black has a dibutyl phthalate absorption value greater than about 80 and a particle size less than about 50 milli-microns. The self supporting tire is capable of operating both as a pneumatic tire under ordinary inflated conditions and also has the capability of operating without inflation for limited distance.