Extrusion die and method
US5308568A · kind A · utility
42Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 1993 |
| Grant date | May 3, 1994 |
| Priority date | — |
| Expiry date | May 20, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B3/269
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and die apparatus for manufacturing a honeycomb body of triangular cell cross-section and high cell density, the die having a combination of (i) feedholes feeding slot intersections and (ii) feedholes feeding slot segments not supplied from slot intersections, whereby a reduction in feedhole count is achieved while still retaining good extrusion efficiency and extrudate uniformity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.