Injection molding nozzle

Details Injection molding nozzle Injection molding nozzle

1987-06-30

1988-11-29

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

26432815, 425191, 425549, 425568, B29C 4510, B29C 4574

Patent

active

047878363

ABSTRACT:
An injection molding nozzle for use with a flowable molding material in a mold die having an elongated member with a fluid passage extending through it and a cap member having an exit orifice in fluid communication with the fluid passage of the elongated member. A torpedo member is located partially in the fluid passage of the elongated member and the torpedo member has a projection that extends into the exit orifice in the cap member to provide heat to the adjacent flowing molding material when the molding nozzle is in use. The heat provided by this projection on the torpedo member prevents the flowing molding material in the nozzle exit from solidifying and interrupting the molding process.

REFERENCES:
patent: 4266723 (1981-05-01), Osuna-Diaz
patent: 4279588 (1981-07-01), Gellert

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