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Method of selectively controlling the self-sealing ability of a tyre and self-sealing tyre for vehicle wheels
US9908371B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9908371-B2 |
| Application number | US-201013511391-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 18, 2010 |
| Priority date | Nov 25, 2009 |
| Publication date | Mar 6, 2018 |
| Grant date | Mar 6, 2018 |
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- Title
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Abstract
Official abstract text for this publication.
A method of selectively controlling the self-sealing ability of a tire obtained by application of a sealing assembly on a drum and subsequent formation thereon of a precursor of a green tire inclusive of liner and carcass, followed by shaping, curing and molding. The sealing assembly includes: a self-supporting thermoplastic film of polyamide or polyester and a layer of sealing material possessing viscoelasticity and stickiness features, which is associated with and supported by the self-supporting thermoplastic film. The sealing assembly is easily puncturable by a sharp-pointed element while it maintains such a deformability and stickiness that it helps in the transfer of the sealing material during ejection of the sharp-pointed element and limits the transferred material amount to such an extent that holes bigger than a predetermined value are not sealed.
First claim
Opening claim text (preview).
The invention claimed is: 1. A self-sealing tyre for vehicle wheels comprising: at least one carcass ply, a tread band applied at a radially external position to said carcass ply at a crown region, at least one liner applied at a radially internal position to said carcass ply, a sealing assembly applied at a position radially internal to the liner and axially extending at least over the whole crown region of the tyre, wherein said sealing assembly comprises a self-supporting the…
Assignees
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Classifications
- B29C73/20Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9908371B2 cover?
- A method of selectively controlling the self-sealing ability of a tire obtained by application of a sealing assembly on a drum and subsequent formation thereon of a precursor of a green tire inclusive of liner and carcass, followed by shaping, curing and molding. The sealing assembly includes: a self-supporting thermoplastic film of polyamide or polyester and a layer of sealing material possess…
- Who is the assignee on this patent?
- Doria Francesco, Mancini Gianni, Puppi Cristiano, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification B29C73/20. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 06 2018 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).