Pneumatic safety tire
US-2015375573-A1 · Dec 31, 2015 · US
Tire bead for a heavy civil engineering vehicle
US8960253B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8960253-B2 |
| Application number | US-201013515206-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 7, 2010 |
| Priority date | Dec 9, 2009 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
Official abstract text for this publication.
A technique for improving the durability of the beads of a radial tire for a heavy vehicle of the civil engineering type, by reducing the rate of spread of cracks initiated at the turned-back end of carcass reinforcement and the spread through the coating, edge-binding and filler polymer materials. A transition element ( 25 ), made of a transition polymer material, is at least partially in contact, on its axially external face, with the edge-binding polymer material ( 22 ) and, on its axially internal face, with a filler polymer material ( 23 b ), the radially external (E 25 ) and radially internal (I 25 ) ends of the transition element are respectively radially on the outside of and radially on the inside of the end of the turned-back portion of carcass reinforcement, and the elastic modulus at 10% elongation of the transition polymer material is somewhere between the respective elastic moduli at 10% elongation of the edge-binding polymer material and of the filler polymer material with which the transition element is in contact.
First claim
Opening claim text (preview).
The invention claimed is: 1. A tire for a heavy vehicle of the civil engineering type, comprising: two beads configured to come into contact with a rim; a carcass reinforcement consisting of one carcass reinforcement layer made up of metal reinforcing elements coated in a coating polymer material, said carcass reinforcement layer comprising a main portion which, in each of said two beads, is wound from the inside towards the outside of the tire, around a bead wire core to form a…
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Classifications
Cross-Sectional Technologies · mapped topic
Operations & Transport · mapped topic
- B60C15/0603Primary
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8960253B2 cover?
- A technique for improving the durability of the beads of a radial tire for a heavy vehicle of the civil engineering type, by reducing the rate of spread of cracks initiated at the turned-back end of carcass reinforcement and the spread through the coating, edge-binding and filler polymer materials. A transition element ( 25 ), made of a transition polymer material, is at least partially in cont…
- Who is the assignee on this patent?
- Bondu Lucien, Compagne Generale Des Etablissements Michelin, Michelin Rech Tech
- What technology area does this patent fall under?
- Primary CPC classification B60C15/0603. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 24 2015 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).