INJECTION COMPRESSION MOLDING DIE

PROBLEM TO BE SOLVED: To provide an injection compression molding die, in which generation of a burr is prevented in molding of a resin by an injection compression molding method. SOLUTION: The injection compression molding die is equipped with both an ejector pin 12 which is movably embedded freely...

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Bibliographische Detailangaben
1. Verfasser:	ASANO KIYOMITSU
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 an injection compression molding die, in which generation of a burr is prevented in molding of a resin by an injection compression molding method. SOLUTION: The injection compression molding die is equipped with both an ejector pin 12 which is movably embedded freely forward and backward in a movable die 11 and has a cavity face formed in the tip face and also receives the pressure of a resin at time of compression after injection and elastically retreats to the inside of the die and forms escaping space 15 of resin P, and a spring 14 elastically energizing the ejector pin 12 to the cavity side.