Invention Grant
- Patent Title: Pneumatic tire with tread having long hole shaped depressions
- Patent Title (中): 气动轮胎胎面具有长孔形凹陷
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Application No.: US11863627Application Date: 2007-09-28
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Publication No.: US08875757B2Publication Date: 2014-11-04
- Inventor: Tetsuji Miyazaki
- Applicant: Tetsuji Miyazaki
- Applicant Address: JP Osaka
- Assignee: Toyo Tire & Rubber Co., Ltd.
- Current Assignee: Toyo Tire & Rubber Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Fish & Richardson P.C.
- Priority: JP2006-287666 20061023
- Main IPC: B60C11/117
- IPC: B60C11/117 ; B60C11/03

Abstract:
In the invention, a tread surface is provided with a groove portion including a main groove continuously extending in a tire circumferential direction, and a land portion including a rib or a block separated by the main groove, wherein the land portion includes a first edge portion having a depression row formed by arranging long hole shaped depressions extending along the groove portion in the tire circumferential direction and a second edge portion extending along the main groove while being different in position in a tire width direction from the first edge portion, and not having the depression row.
Public/Granted literature
- US20080092999A1 PNEUMATIC TIRE Public/Granted day:2008-04-24
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