Die for forming honeycomb structure and manufacturing method therefor
US9616637B2 · kind B2 · utility
3Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2014 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Dec 27, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B37/12
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A die for forming a honeycomb structure, including: a second plate-shaped portion that is formed of iron and the like and has back holes; and a first plate-shaped portion that is formed of tungsten carbide based cemented carbide and has cavities communicating with the back holes and slits communicating with the cavities, with the first plate-shaped portion having a first layer arranged in the second plate-shaped portion side and a second layer arranged on the first layer, the cavities are opened on both sides of the first layer, and the slits are opened on both sides of the second layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.