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1. WO2022009042 - CAR TYRE

Publication Number WO/2022/009042
Publication Date 13.01.2022
International Application No. PCT/IB2021/055947
International Filing Date 02.07.2021
IPC
B60C 11/03 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
B60C 11/12 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
11Tyre tread bands; Tread patterns; Anti-skid inserts
03Tread patterns
12characterised by the use of narrow slits or incisions, e.g. sipes
Applicants
  • PIRELLI TYRE S.P.A. [IT]/[IT]
Inventors
  • DUPRE', Giulio Lorenzo
  • BOLZONI, Roberto
  • SPEZIARI, Diego Ettore
  • PUTTI, Alberto Maria
Agents
  • FABIANO, Piero
Priority Data
10202000001668409.07.2020IT
Publication Language English (en)
Filing Language Italian (IT)
Designated States
Title
(EN) CAR TYRE
(FR) PNEU D'AUTOMOBILE
Abstract
(EN) All season tyre (1) for SUVs and Crossovers; the tyre having a tread band (7) provided with a plurality of sipes (21,22,23,24,25,26) regularly and homogeneously arranged, and a wide central region (LI) provided with three rows of blocks, at least two of which are provided with transverse grooves only slightly inclined relative to a direction orthogonal to the equatorial plane. The central region (LI) lacks circumferential annular portions having a low void-to-rubber ratio located adjacent to central annular portions having a medium or high void-to-rubber ratio.
(FR) La présente invention concerne un pneu toutes saisons (1) pour des SUV et des crossovers ; le pneu ayant une bande de roulement (7) pourvue d'une pluralité de lamelles (21, 22, 23, 24, 25, 26) agencées de manière régulière et homogène, et une large région centrale (LI) pourvue de trois rangées de blocs, dont au moins deux sont pourvues de rainures transversales inclinées seulement légèrement par rapport à une direction orthogonale au plan équatorial. La région centrale (LI) est dépourvue de parties annulaires circonférentielles présentant un faible rapport vide-caoutchouc situées de manière adjacente à des parties annulaires centrales présentant un rapport vide-caoutchouc moyen ou élevé.
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