Multi-part extrusion die
US5238386A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 1992 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | May 20, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23H2200/30
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A multi-part extrusion die is disclosed which not only permits the formation of thin discharge slots down to about 0.003 or 0.002 inches, but also provides the ability to produce a die for forming a honeycomb article with different cell densities and web thicknesses in various sections. A plurality of individual die parts are each provided with discharge slots in a discharge face thereof of desired width and spacing, and then a plurality of such individual die parts are secured together in a desired alignment such that the discharge face of each of the plurality of die parts forms a continuous discharge face for the multi-part extrusion die.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.