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Priority claimed from NL8500079Aexternal-prioritypatent/NL8500079A/en
Priority claimed from NL8501169Aexternal-prioritypatent/NL8501169A/en
Application filed by Ind Producten Brabant B VfiledCriticalInd Producten Brabant B V
Priority claimed from EP86200054Aexternal-prioritypatent/EP0193975B1/en
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Publication of ATE44361T1publicationCriticalpatent/ATE44361T1/en
Mfg. thin bottom, thicker rim polystyrene packing trays - from granules by hot moulding and cooling in mould using granules coated and part-expanded pref. immediately before moulding