Die for extruding honeycomb structural bodies
US4883420A · kind A · utility
13Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1988 |
| Grant date | Nov 28, 1989 |
| Priority date | — |
| Expiry date | Sep 2, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B3/269
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An extrusion die for extruding ceramic honeycomb structural bodies includes body discharge channels having a desired honeycomb arrangement and independent body supply holes communicating with the body discharge channels. The body supply holes are so designed that each of them has inner peripheral surface zones of different inner dimensions and the inner peripheral surface zones may be coaxially arranged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.