Pneumatic tire with tread having sipes with expanded diameter sections

A pneumatic tire according to the present invention includes a tread section provided with circumferential grooves extending in a tire circumferential direction, lateral grooves extending in a tread width direction, and a plurality of land blocks defined by the circumferential grooves and the latera...

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Bibliographische Detailangaben
Hauptverfasser:	KUROKAWA MAKOTO, IWATANI TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS RELATED TO TYRES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A pneumatic tire according to the present invention includes a tread section provided with circumferential grooves extending in a tire circumferential direction, lateral grooves extending in a tread width direction, and a plurality of land blocks defined by the circumferential grooves and the lateral grooves, each of the land blocks provided with sipes formed to extend to a predetermined depth from a tread surface inward in a tire radial direction, each of the sipes having an end portion communicating with at least any one of the circumferential grooves and the lateral grooves. At least one of the plurality of sipes includes an expanded diameter section on an inner end in the tire radial direction, and the expanded diameter section is formed to increase in diameter extending toward each of sidewalls of the land block.