Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES540105ApriorityCriticalpatent/ES8606078A1/en
Publication of ES540105A0publicationCriticalpatent/ES540105A0/en
Publication of ES8606078A1publicationCriticalpatent/ES8606078A1/en
Processes Of Treating Macromolecular Substances
(AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General
(AREA)
Abstract
Process comprises (a) placing UV polystyrene granules in a hopper and adding colourants; (b) melting the mixt. by heating to 140 deg.C with stirring, to produce a homogeneous paste; (c) transferring the mixt. to the hopper of an injection moulding machine; (d) forcing the material into the moulds; (f) filling the moulds; (g) trimming the moulds to obtain hot plates or sheets; (h) manually deforming the mouldings into the desired shape while still hot, to fit the element to be decorated; and (i) drying the plates to obtain a sheet with transparency to give an attractive colour and diffusion of light.
ES540105A1985-02-011985-02-01Decorative sheet or plate mfr.
ExpiredES8606078A1
(en)