Article: Dust pressing process speeds plate production. (Applied Technology) (Column)

Wedgwood, Stoke-on-Trent, England, has introduced a new method for bone china production to reach its goals of achieving greater efficiency in production and the highest possible level of quality in the finished product.

The method is dry isostatic pressing similar to that used in the tile industry. Clay slip is converted into fine granules by spray drying. The granules are then hydraulically pressed between a metal die and a polymeric diaphragm into flatware shapes.

Slip is blended in the normal way at Wedgwood's existing sliphouse at Barlaston. A diaphragm pump is used to transfer the slip to the dryer, a Dorst D1600 with an evaporation capacity of ...

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