Continuous extrusion method of manufacturing ceramic honeycomb structures with the aid of screw type vacuum extruding machine
US4364881A · kind A · utility
7Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1981 |
| Grant date | Dec 21, 1982 |
| Priority date | — |
| Expiry date | Feb 17, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B3/22
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A continuous extrusion method of manufacturing ceramic honeycomb structures with the aid of a screw type vacuum extruding machine is disclosed. The method is characterized by making the temperature at the outer periphery of the ceramic raw material batch located in the rear of the extrusion die not lower than the temperature at the center portion of the batch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.