Molding pot having configured bottom

Details Molding pot having configured bottom Molding pot having configured bottom

1990-02-13

1992-06-23

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Female mold type means

425544, 425572, 425DIG228, 26427217, B29C 4502

Patent

active

051238268

ABSTRACT:
A molding apparatus for encapsulating devices and having a molding pot wherein the pot has a configured bottom is provided. The configured bottom serves as a shearing force against encapsulating material pellets which are pressed into the configured bottom by a plunger. The shearing force increases the fluidizing action of the pellets thereby lowering the viscosity of the encapsulating material so it easily enters cavities provided in the molding assembly and completely fills the cavities and encapsulates the devices without damage to the devices.

REFERENCES:
patent: 2460964 (1949-02-01), Adair et al.
patent: 2471148 (1949-05-01), Gale et al.
patent: 3989793 (1976-11-01), Hartel et al.
patent: 4708613 (1987-11-01), Sara et al.
patent: 4900485 (1990-02-01), Murakami

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