Process and mold for depositing a colored motif on a tire
US7261785B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 29, 2003 |
| Grant date | Aug 28, 2007 |
| Priority date | — |
| Expiry date | Apr 17, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D2030/726
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process of depositing at least one uncured colored rubber mix forming a contrasting motif on an outer surface of a tire includes preparing a blank of the uncured tire to be moulded, including all the constituents except for the colored rubber mix(es), depositing the colored rubber(s) in at least one cavity formed on a removable insert, each cavity having the general form of the motif to be moulded and having a total volume V2, the total volume of non-vulcanized colored rubber V1 placed in each cavity being less than the volume V0, mounting the insert in a suitable housing provided on the moulding surface of the mould for the tire, engaging the tire blank within the mould, and moulding and vulcanizing the tire.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.