Apparatus for extruding, lining and pressing clay blanks

Details Apparatus for extruding, lining and pressing clay blanks Apparatus for extruding, lining and pressing clay blanks

1975-12-08

1978-03-21

Husar, Francis S.

Plastic article or earthenware shaping or treating: apparatus

With interposed non-adhering web or sheet type parting means

425299, 4253051, 425308, 425327, 425395, B28B 320, B28B 1110

Patent

active

040801306

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.

REFERENCES:
patent: 2952877 (1960-09-01), Park, Jr.
patent: 3462810 (1969-08-01), Matsushima
patent: 3540093 (1970-11-01), Boatright, Jr. et al.
patent: 3585678 (1971-06-01), Neumann et al.
patent: 3667971 (1972-06-01), Brunner

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