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Patent Searching and Data


Title:
タイヤ
Document Type and Number:
Japanese Patent JP7419813
Kind Code:
B2
Abstract:
To provide a tire that allows for improvement of wear resistance thereof and ride quality.SOLUTION: A tire 2 is provided, including a tread portion 2. The tread portion 2 comprises: a middle land portion 6B, a shoulder land portion 7B and a shoulder circumferential groove 4B extending between the middle land portion 6B and the shoulder land portion 7B. In the middle land portion 6B, a plurality of full-open type middle sipes 12 are formed, the middle sipes 12 is inclined with respect to a tire axial direction. In the middle sipe 12, chamfered portions 12a are formed at both sides respectively, chamfer widths at both ends of the middle sipe 12 are larger than a chamfer width of a center portion in a longitudinal direction, of the middle sipe. In the shoulder land portion 7B, a plurality of shoulder sipes 14 and 15 are formed. The shoulder sipes 14 and 15 incline in the same direction as the direction of the middle sipe 12, with respect to the tire axial direction.SELECTED DRAWING: Figure 1

Inventors:
Takashi Okada
Saori Yoshida
Application Number:
JP2019238294A
Publication Date:
January 23, 2024
Filing Date:
December 27, 2019
Export Citation:
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Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C11/12; B60C5/00; B60C11/03
Domestic Patent References:
JP2018012372A
JP2019189106A
JP2012020620A
JP2017024660A
JP2017001584A
Foreign References:
WO2018207112A1
WO2016125814A1
Attorney, Agent or Firm:
Shintaro Sumitomo
Shigetake Ura
Jun Naemura
Yukinobu Ishihara
Satoshi Ichida