Die for forming honeycomb structure and manufacturing method of the same
US8556615B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2010 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Feb 28, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/60
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A die for forming a honeycomb structure, comprising a platy die base member having a clay supply face on back surface thereof and including a plurality of introduction holes for introducing a mixed raw material for forming; and a clay forming face on upper surface including a plurality of slits for extrusion of the material being connected to the introduction holes and formed lattice-like partition regions; at least a part of lattice-like partition regions being provided in such a position that the extended line of at least part of a plurality of lattice-like regions overlap with the slits at edges thereof as top view, slits including inner peripheral slits formed in the inner peripheral region, and outer peripheral slits formed in the outer peripheral region surrounding the inner peripheral region and having a width-enlarged portion having a width larger than that of the inner peripheral slit, and production method thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.