Die for injection molding

Details Die for injection molding Die for injection molding

1996-12-03

2000-03-28

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With product ejector

264334, 425577, B29C 4540

Patent

active

060423633

ABSTRACT:
This invention provides a die for injection molding in which a molded product is supported by a core for a certain time in a cavity block even after an opening operation of the die is started, and the molded product is taken out of the die after the molded product is solidified so that no molded product is deformed at a mold-releasing time and a stable molded product can be obtained with high productivity. A projecting mechanism has a separating delay device for pressing the molded product by the core and supporting the molded product in the cavity block until a movable side die is separated by a predetermined distance from a fixed side die. The separating delay device releases the supporting of the molded product after the movable side die is separated by the predetermined distance from the fixed side die.

REFERENCES:
patent: 5833912 (1998-11-01), Schweigert et al.

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