Encapsulation mold

Details Encapsulation mold Encapsulation mold

1994-12-07

1996-09-17

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

26427211, 26427214, 2643288, 4251291, 425572, B29C 4502

Patent

active

055566472

ABSTRACT:
An encapsulation mold includes a pot for heating resin inserted therein, a plunger, movably arranged in the pot, for extruding the resin from a bottom of the pot, and first and second retainer plates. One of the retainer plates includes a plurality of package portions, connected to the runners, for encapsulating electric elements with the resin by inserting the resin into the package portions, a cull portion, arranged at the bottom of the pot, for uniformly extruding the resin from the pot, and runners, connecting the cull portion to the package portions, for feeding the resin extruded from the pot by the plunger to the package portions through the runners. The runners have longitudinal projections provided along a flowing direction of the resin at a central part of each of the runners.

REFERENCES:
patent: 4513942 (1985-04-01), Creasman
patent: 4653993 (1987-03-01), Boschman
patent: 5174942 (1992-12-01), Barnadas
patent: 5435953 (1995-07-01), Osada et al.

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