Installation and method for coextrusion
US12304112B2 · kind B2 · utility
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1References
8Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 21, 2018 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Feb 17, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2030/002
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The installation is for producing a coextruded profiled element for tires that is made from rubber compounds of different compositions. The installation includes at least one first extruder having a screw with a longitudinal axis and at least one second extruder having a screw with a different longitudinal axis. An extrusion head is connected to each of the extruders by appropriate ducts. The feed inlet of each extruder is connected to the delivery orifice of a gear pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.