METHOD AND APPARATUS FOR MOLD HEATING AND COOLING CONTROL

PROBLEM TO BE SOLVED: To provide a method and an apparatus for mold heating and cooling control, which allow inhibiting a fall in steam temperature accompanying a continuous fall of steam pressure in a boiler from the start of boiler steam delivery to the ignition of burner. SOLUTION: Steam temperat...

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Bibliographische Detailangaben
Hauptverfasser:	HATTORI MITSUTAKA, KARIYA TOSHIHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method and an apparatus for mold heating and cooling control, which allow inhibiting a fall in steam temperature accompanying a continuous fall of steam pressure in a boiler from the start of boiler steam delivery to the ignition of burner. SOLUTION: Steam temperature control in a steam generating and supplying device is made in cooperation with a molding operation of an injection molding apparatus, when using steam as a mold heating medium in a molding process of the molding apparatus, in which temperature of a mold 11 is raised rapidly before injection molding a molten resin material into the mold 11, and cooled to at solidification temperature or below after injection. COPYRIGHT: (C)2010,JPO&INPIT