Block structure in pneumatic tire

A block structure in a ground contact face of a tread portion of a pneumatic tire comprises blocks defined by circumferential grooves and lateral grooves and a sipe formed in each surface of the blocks in a block row at least located near to a center of the tread and opening at least one end thereof...

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Bibliographische Detailangaben
Hauptverfasser:	CHAEN TATSURO, NOGUCHI YOJI
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 US CLASSIFICATION 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 block structure in a ground contact face of a tread portion of a pneumatic tire comprises blocks defined by circumferential grooves and lateral grooves and a sipe formed in each surface of the blocks in a block row at least located near to a center of the tread and opening at least one end thereof to the respective circumferential groove, in which the sipe is opened through a width-widened part to the circumferential groove and a depth of the width-widened part is made shallower than a depth of a deepest part of the sipe.