Pneumatic tire
US-9878585-B2 · Jan 30, 2018 · US
Tire tread with bridges
US10639941B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10639941-B2 |
| Application number | US-201715713730-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 25, 2017 |
| Priority date | Mar 6, 2017 |
| Publication date | May 5, 2020 |
| Grant date | May 5, 2020 |
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- Title
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- Abstract
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- Assignees and inventors
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- Key dates
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- First independent claim
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- CPC / IPC classifications
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- Citations and related patents
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Abstract
Official abstract text for this publication.
A tread for a tire includes a first circumferential main groove, a second circumferential main groove, and a third circumferential main groove. The first, second, and third circumferential main grooves together define a first shoulder rib, a first intermediate rib, a second intermediate rib, and a second shoulder rib. The third circumferential main groove includes a plurality of connecting bridges spaced circumferentially within the third circumferential main groove and axially joining the second intermediate rib and second shoulder rib.
First claim
Opening claim text (preview).
What is claimed: 1. A tread for a tire comprising: a first circumferential main groove; a second circumferential main groove; and a third circumferential main groove, the first, second, and third circumferential main grooves together defining a first shoulder rib, a first intermediate rib, a second intermediate rib, and a second shoulder rib, the third circumferential main groove includes a plurality of connecting bridges spaced circumferentially within the main groove and axially joining the second intermediate rib and second shoulder rib, the connecting bridges having a radial height between 40 percent and 60 percent of a radial depth of the third circumferential main groove, the connecting bridges have a V-shaped and inclined outer radial surface radially within the third circumferential main groove, the connecting bridges being inclined at angles between 10 degrees to 45 degrees with respect to an axial direction of the tread, an overall number of the connecting bridges in the third circumferential main groove being from 15 to 30. 2. The tread as set forth in claim 1 wherein the connecting bridges have circumferentially inclined edges. 3. The tread as set forth in claim 1 wherein the connecting bridges have a flat outer radial surface radially within the third circumferential main groove.
Assignees
Inventors
Classifications
with special features of the groove walls · CPC title
- B60C11/1369Primary
Tie bars for linking block elements and bridging the groove · CPC title
further characterised by the groove cross-section · CPC title
Stiffness · CPC title
characterised by depth · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US10639941B2 cover?
- A tread for a tire includes a first circumferential main groove, a second circumferential main groove, and a third circumferential main groove. The first, second, and third circumferential main grooves together define a first shoulder rib, a first intermediate rib, a second intermediate rib, and a second shoulder rib. The third circumferential main groove includes a plurality of connecting brid…
- Who is the assignee on this patent?
- Goodyear Tire & Rubber
- What technology area does this patent fall under?
- Primary CPC classification B60C11/1369. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue May 05 2020 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 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).