JPS6436508A - Pneumatic tire - Google Patents

Pneumatic tire

Info

Publication number
JPS6436508A
JPS6436508A JP62190480A JP19048087A JPS6436508A JP S6436508 A JPS6436508 A JP S6436508A JP 62190480 A JP62190480 A JP 62190480A JP 19048087 A JP19048087 A JP 19048087A JP S6436508 A JPS6436508 A JP S6436508A
Authority
JP
Japan
Prior art keywords
tread
width
peripheral groove
tire
wide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62190480A
Other languages
Japanese (ja)
Inventor
Yasuo Himuro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bridgestone Corp filed Critical Bridgestone Corp
Priority to JP62190480A priority Critical patent/JPS6436508A/en
Publication of JPS6436508A publication Critical patent/JPS6436508A/en
Pending legal-status Critical Current

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  • Tires In General (AREA)

Abstract

PURPOSE:To reduce noise with no deterioration of drain performance by setting the range of a tread central area to within a specific proportion of a tread width while the width of a fine peripheral groove, formed in a tread, to within a specific proportion of the width of a wide peripheral groove. CONSTITUTION:In a central area 1a of a tread 1, a wide peripheral groove 2a, parallelly extending in the peripheral direction of a tire, is provided. While in both side areas 1b of the tread 1, a number of fine peripheral grooves 2b, extending in parallel with the wide peripheral groove 2a, are provided. Further, in both side ends 1c of the tread 1, a number of lateral grooves 3, extended diagonally in the peripheral direction of the tire further placed obtaining the line symmetry for the center line C of the tire, are provided. Here the range of the central area 1a is set to within 30% the tread width with the center line C serving as the center. While the width of the fine peripheral groove 2b is set to within 5-40% the width of the wide peripheral groove 2a. In this way, when the tire is in loaded rolling, both side walls of the narrowed width peripheral groove 2b are brought into mutual contact.
JP62190480A 1987-07-31 1987-07-31 Pneumatic tire Pending JPS6436508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62190480A JPS6436508A (en) 1987-07-31 1987-07-31 Pneumatic tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62190480A JPS6436508A (en) 1987-07-31 1987-07-31 Pneumatic tire

Publications (1)

Publication Number Publication Date
JPS6436508A true JPS6436508A (en) 1989-02-07

Family

ID=16258807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62190480A Pending JPS6436508A (en) 1987-07-31 1987-07-31 Pneumatic tire

Country Status (1)

Country Link
JP (1) JPS6436508A (en)

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