Apparatus for extruding, lining and pressing clay blanks
US4080130A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 8, 1975 |
| Grant date | Mar 21, 1978 |
| Priority date | — |
| Expiry date | Dec 8, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B13/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In a process and a machine for moulding ceramic articles, the provision of a substantially moisture impervious foil between the mould surfaces and the clay blank and the disposal of the foil after its use as a waste by-product. A foil exhibiting predominant plasticity rather than elasticity is selected to secure effective operation of the invention. The clay blank is extruded in strand form at a rate of extrusion which is independent of the rate of feeding clay blanks intermittently into the mould and a temporary storage station provides buffer capacity between the extrusion and moulding steps. The machine has structure adapted to achieve this operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.