Valve gate apparatus for an injection mold

Details Valve gate apparatus for an injection mold Valve gate apparatus for an injection mold

1996-06-05

1998-11-10

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

26432815, 425564, B29C 4523

Patent

active

058340416

ABSTRACT:
Disclosed is a valve gate apparatus for an injection mold comprising: a valve gate 6 in communication with a mold cavity; a valve pin 3 adapted to be actuated to open and close the valve gate 6, received therein for reciprocal movement in the axial direction of a probe assembly 1 equipped with a body heater 2; and a resin melt passage 7 formed within the probe assembly 1 at the position where the valve pin 3 is opened; the resin melt passage 7 having a gradually curved region 8 formed adjacent the opening end of the passage.

REFERENCES:
patent: 4412807 (1983-11-01), York
patent: 4712995 (1987-12-01), Basnett
patent: 5470219 (1995-11-01), Yokoyama et al.
patent: 5533882 (1996-07-01), Gessner et al.

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