Resin injecting apparatus with a cooling passage

Details Resin injecting apparatus with a cooling passage Resin injecting apparatus with a cooling passage

2007-10-03

2008-12-23

Heitbrink, Tim (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

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

Female mold type means

C425S127000, C425S129100, C425S547000, C425S548000, C425S549000, C425S550000

Reexamination Certificate

active

07467938

ABSTRACT:
A resin injecting apparatus includes a resin injecting nozzle for injecting a molten resin into a cavity configured between a first resin molded part and a second resin molded part connected to the first molded part, from a through-hole configured in the second molded part, and an ejection plunger for ejecting a predetermined amount of molten resin from the resin injecting nozzle. In addition, a thermal insulating bush is attached to the resin injecting nozzle, a coolant passage is formed in the thermal insulating bush and through which a coolant is passed, and a coolant supplying unit supplies the coolant to the coolant passage.

REFERENCES:
patent: 2040126 (1936-05-01), Grieve
patent: 3264394 (1966-08-01), Walter
patent: 4377547 (1983-03-01), Hervig
patent: 4592886 (1986-06-01), Mannherz
patent: 6302680 (2001-10-01), Gellert et al.
patent: 6572808 (2003-06-01), Saito et al.
patent: 6654578 (2003-11-01), Suzuki et al.
patent: 7099607 (2006-08-01), Suzuki et al.
patent: 2003/0091768 (2003-05-01), Sasatani et al.

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