Perfectionnements au moulage du verre
124,957. Miller, F. W. June 4, 1918. Drawings to Specification. Moulding without pressure. - Cameos or other articles of glass or enamel are formed by fusing powdered material in thin metal moulds, the moulds being afterwards dissolved. The depressions of the mould may be filled with coloured materi...
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| Zusammenfassung: | 124,957. Miller, F. W. June 4, 1918. Drawings to Specification. Moulding without pressure. - Cameos or other articles of glass or enamel are formed by fusing powdered material in thin metal moulds, the moulds being afterwards dissolved. The depressions of the mould may be filled with coloured material, the mould being filled up with material of another colour to form a background. The moulds may be made of copper and may be dissolved by acid or by electrolysis. |
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