Hose extrusion mandrel and method for manufacturing a hose
US11794429B2 · kind B2 · utility
0Cited by
7References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 14, 2019 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | May 3, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2023/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A hose extrusion mandrel for manufacturing rubber hoses includes: a solid thermoplastic, elongate core; and a rubber compound outer layer covering a surface of the elongate core. A ratio between a diameter of the core and a thickness of the rubber compound layer may be between 8 and 11.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.