Invention Grant
- Patent Title: Pneumatic tire
- Patent Title (中): 气动轮胎
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Application No.: US13252871Application Date: 2011-10-04
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Publication No.: US08991450B2Publication Date: 2015-03-31
- Inventor: Hiroshi Furusawa
- Applicant: Hiroshi Furusawa
- Applicant Address: JP
- Assignee: The Yokohama Rubber Co., Ltd.
- Current Assignee: The Yokohama Rubber Co., Ltd.
- Current Assignee Address: JP
- Agency: Thorpe North & Western
- Priority: JP2010-225092 20101004
- Main IPC: B60C11/03
- IPC: B60C11/03 ; B60C11/12 ; B60C11/13

Abstract:
A pneumatic tire including rib-like land portions partitioned by a plurality of main grooves extending in a tire circumferential direction and/or block-like land portions partitioned by the plurality of main grooves and a plurality of lug grooves intersecting the main grooves in a tread surface. A plurality of protrusions are provided on a surface of the land portions, and at least two types of the protrusions, having different surface areas, are provided. Moreover, at least a majority of the protrusions adjacent to a small protrusion having a relatively small surface area are large protrusions having a relatively large surface area.
Public/Granted literature
- US20120080129A1 PNEUMATIC TIRE Public/Granted day:2012-04-05
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