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:
May. 11, 2010
Filed:
Nov. 08, 2006
Norio Hayashi, Kobe, JP;
Masanori Takahashi, Kobe, JP;
Kiyoto Maruoka, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
A pneumatic tirehaving improved uniformity and durability and including a toroidal carcassextending from a tread portionto each of bead coresin bead portionsthrough sidewall portions, a belt layerdisposed radially outward of the carcassin the tread portion, and a cushion rubberhaving an approximately triangular cross section disposed between the carcassand each of axial edge portionsE of the belt layer, and a method for producing the same, wherein the cushion rubberis made from a strip laminated body formed by circumferentially and spirally winding a first ribbon-like unvulcanized rubber strip and a second ribbon-like unvulcanized rubber strip having a different composition from that of the first rubber strip.