Apparatus and process for drying plastic material for a machine used to produce plastic containers
AssigneeS.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A.
InventorsGiampietro Pittari, Matteo Zoppas
Life of this patent
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Abstract
PET drying apparatus for a machine used to produce PET bottles, comprising a unit in which the raw plastic is dried, before the plastic melting process, in which the PET is heated by using microwave energy and the PET is dehumidified by the outflow of the vented air that is recovered after the blowing process.
Claims9
Plastic material drying apparatus for a machine used to produce plastic containers, comprising means for recovering compressed vented air obtained from a de-gassing process performed after a blowing process in a container blowing machine, means for heating said air suitable for heating the vented air, means for generating electromagnetic energy suitable for heating the plastic material and the moisture content thereof and for dehumidifying said plastic material, means for evacuating the moisture extracted from said plastic material using the outflow of said vented air.
Dependencies are inferred from the claim text.