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:
Nov. 21, 2017
Filed:
Apr. 14, 2014
Bridgestone Corporation, Chuo-ku, Tokyo, JP;
Yohei Okita, Tokyo, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
An object is to make it make it possible to, before a protecting layer is exposed, visually recognize that a final stage of wear of a tread has been reached. A pneumatic tire () for an aircraft has: a carcass ply () that spans between a pair of bead portions; a belt layer () that is provided at a tire radial direction outer side of a crown portion (A) of the carcass ply (); a protecting layer () that is provided at a tire radial direction outer side of the belt layer (); a tread () that is provided at a tire radial direction outer side of the protecting layer (), and at which ribs () are demarcated and formed by circumferential direction grooves; and filaments () that are provided between the protecting layer () and the tread (), or within the tread (), that extend in a tire axial direction, and that are disposed with an interval therebetween in a tire circumferential direction.