Invention Grant
- Patent Title: Heavy duty pneumatic tire
- Patent Title (中): 重型充气轮胎
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Application No.: US11280240Application Date: 2005-11-17
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Publication No.: US07762297B2Publication Date: 2010-07-27
- Inventor: Shingo Takahashi , Satoshi Tsuda
- Applicant: Shingo Takahashi , Satoshi Tsuda
- Applicant Address: JP Kobe
- Assignee: Sumitomo Rubber Industries, Ltd.
- Current Assignee: Sumitomo Rubber Industries, Ltd.
- Current Assignee Address: JP Kobe
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2004-334903 20041118; JP2004-336567 20041119; JP2004-336568 20041119
- Main IPC: B60C11/11
- IPC: B60C11/11

Abstract:
It aims to provide a heavy duty pneumatic tire with block patterns and capable of improving deflected wear resisting performances without sacrificing wet grip performances or on-snow performances and that can particularly be favorably used for all seasons. The present invention comprises block patterns employing at least three types of blocks 4 comprised of central blocks 4C delimited by the central longitudinal groove 2M, the intermediate longitudinal grooves 2M, and the central lateral grooves 3C, intermediate blocks 4M delimited by the intermediate longitudinal grooves 2M, the outer longitudinal grooves 2S and the intermediate lateral grooves 3M, and outer blocks 4S that are delimited by outer longitudinal grooves 2S, outer lateral grooves 3S that extend from this outer longitudinal grooves 2S to the tread ends E, and wherein longitudinal length ratios (L4/W4) of blocks 4, groove width ratios of longitudinal grooves and lateral grooves (w2/w3), maximum widths of blocks, minimum widths of blocks and ratios thereof (W4max/W4min), and circumferential edge components and tire axial edge components and ratios thereof (EC/EL) at respective stages of wear are defined to be within specified ranges.
Public/Granted literature
- US20060102267A1 Heavy duty pneumatic tire Public/Granted day:2006-05-18
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