Die for extruding a honeycomb structural body and a method of extruding the same
US4298564A · kind A · utility
14Cited by
12References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 28, 1978 |
| Grant date | Nov 3, 1981 |
| Priority date | — |
| Expiry date | Apr 28, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/60
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A die for extruding a honeycomb structural body, all parts of which are uniform in mechanical strength, is disclosed. The die is provided with guide grooves between discharge slits and feed inlets for raw stock, said discharge slits having a cross-sectional shape corresponding to that of the honeycomb structural body and said guide grooves having a cross-sectional area larger than that of the discharge slits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.