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Patent Searching and Data


Title:
タイヤ
Document Type and Number:
Japanese Patent JP6434235
Kind Code:
B2
Abstract:
The pneumatic tire (10) has a carcass ply (14) and a tread part (18). The carcass ply (14) includes a main body ply (14m) reaching from a tread part (18) to a bead core (12), and a folded ply (14e) folded around the bead core (12). An end part (14u) of the folded ply (14e) extends to a height position beyond a tire maximum width position (SWM). A bead filler height (BFH) is within the range of 20-60% of the tire sectional height (SH). A bead filler width (W2) at a height position (SH3) corresponding to 30% of the tire sectional height (SH) is no greater than 40% of the bead filler root width (W1). A tread width (TW) is at least 81 % of a tire maximum width (SW), and a curvature radius (R) of the carcass ply (14) at an extension line (FL1) extending in a tread width direction (W) and passing the tire maximum width position (SWM) in a cross section in the direction of tire width is at least 30 mm.

Inventors:
Tsune Taniguchi
Application Number:
JP2014137599A
Publication Date:
December 05, 2018
Filing Date:
July 03, 2014
Export Citation:
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Assignee:
Bridgestone Corporation
International Classes:
B60C9/08; B60C9/02; B60C15/06
Domestic Patent References:
JP200529017A
JP200442755A
JP2004352174A
JP2007290421A
JP2013116702A
JP201323122A
JP2009166819A
Foreign References:
WO2012147356A1
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Shunichi Takahashi
Masakazu Ito
Toshio Takamatsu