Extrusion molding apparatus for ceramic molded product
US6716019B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2001 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Jul 20, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28C1/203
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An extrusion molding apparatus for a ceramic molded product which is capable of passing a ceramic material smoothly through a filter unit is disclosed. The extrusion molding apparatus comprises a mold (11) for molding a ceramic molded product, a screw extruder (4) for supplying a ceramic material (80) to the mold (11), and a filter unit (3) for filtering the ceramic material (80) at the extrusion outlet (41) of the screw extruder (4). The screw extruder (4) has built therein a screw (40) for kneading while at the same time leading the ceramic material (80) forward, and further has, on the front part thereof, a spatula portion (5) adapted to move over the inlet surface (30) of the filter unit (3) and there is a predetermined distance D between the spatula portion and the inlet surface (30).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.