Skin-forming die and honeycomb extrusion die
US12030214B2 · kind B2 · utility
0Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2019 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Dec 9, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B2003/203
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A skin-forming die includes an inlet face; an outlet face; one or more slots, each of the one or more slots comprising one or more slot inlets extending between the one or more slot inlets and the outlet face; a plurality of feedholes extending between the inlet face and the one or more slot inlets; and a central opening configured to receive a matrix die. Extrusion die apparatus and methods of manufacturing honeycomb bodies are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.