Pneumatic Tire
US-2020148008-A1 · May 14, 2020 · US
US11396209B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11396209-B2 |
| Application number | US-201916437506-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 11, 2019 |
| Priority date | Jun 26, 2018 |
| Publication date | Jul 26, 2022 |
| Grant date | Jul 26, 2022 |
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Official abstract text for this publication.
A pneumatic tire includes a plurality of main grooves each extending in a tire circumferential direction, and a shoulder rib formed by a shoulder main groove included in the main grooves. The shoulder rib is formed in an outer part of the pneumatic tire in a tire width direction. The shoulder rib includes a closed slit that communicates with the shoulder main groove and ends in the shoulder rib. The shoulder main groove includes a protrusion that extends into the closed slit.
Opening claim text (preview).
What is claimed is: 1. A pneumatic tire comprising: a plurality of main grooves each extending in a tire circumferential direction; and a shoulder rib formed by a shoulder main groove included in the main grooves, the shoulder rib being formed in an outer part of the pneumatic tire in a tire width direction, wherein the shoulder rib includes a closed slit that communicates with the shoulder main groove and ends in the shoulder rib, the shoulder main groove includes a protrusion that extends into the closed slit and has tips each having a triangular shape and formed at an acute angle in a development view, and the protrusion has a star shape that has five acute-angled tips. 2. The pneumatic tire according to claim 1 , wherein the shoulder main groove includes a ridge that divides a bottom of the pneumatic tire shoulder main groove in a longitudinal direction, and a tip of the protrusion protrudes toward at least one of parts divided by the ridge.
the groove bottom comprising stone trapping protection elements, e.g. ribs · CPC title
for off-road use · CPC title
Arrangement of grooves or ribs · CPC title
characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping · CPC title
Patterns comprising block rows or discontinuous ribs · CPC title
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