Plastic article or earthenware shaping or treating: apparatus – Means to create a vacuum or apply fluid pressure within a...
Patent
1993-02-01
1994-07-19
Bushey, Charles S.
Plastic article or earthenware shaping or treating: apparatus
Means to create a vacuum or apply fluid pressure within a...
249 82, 264313, 425406, 425DIG44, B29C 4300
Patent
active
053303466
ABSTRACT:
The invention relates to a die for ceramic tiles. The die includes two semi-dies between which the material to be compacted is pressed. One of the half-dies is connected to an elastic wall. An external face of the elastic wall has the imprint of one of the faces of the tile to be manufactured. The elastic wall is positioned over and in contact with a cavity that is filled with an incompressible liquid. The cavity is divided into portions by a lattice.
REFERENCES:
patent: 3593380 (1971-07-01), Voronov et al.
patent: 4043724 (1977-08-01), Schubart
patent: 4156589 (1979-05-01), Schmitt et al.
patent: 4158691 (1979-06-01), Schubart
patent: 4447201 (1984-05-01), Knudsen
Bushey Charles S.
Sichenia Gruppo Ceramische S.p.A.
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