Pneumatic tire

US11396209B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11396209-B2
Application numberUS-201916437506-A
CountryUS
Kind codeB2
Filing dateJun 11, 2019
Priority dateJun 26, 2018
Publication dateJul 26, 2022
Grant dateJul 26, 2022

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  1. Title

    What the patent document calls the invention.

  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

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.

First claim

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.

Assignees

Inventors

Classifications

  • B60C11/047Primary

    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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Frequently asked questions

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What does patent US11396209B2 cover?
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…
Who is the assignee on this patent?
Toyo Tire Corp
What technology area does this patent fall under?
Primary CPC classification B60C11/047. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Jul 26 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).