Renewing used meal tray of thermoplastic

In a process for renewal of plate-shaped food trays of amorphous or partially crystalline thermoplastics, having a flat central portion and a raised edge, the used trays, in the cleaned and dried state, are subjected to (a) heating to 1-200 deg.C above the glass transition temp. of amorphous thermop...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MINGES, CHRISTOPH, 67061 LUDWIGSHAFEN, DE, BUCHERT, HERMANN., 67098 BAD DUERKHEIM, DE, LEITER, GERHARD, 69469 WEINHEIM, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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