Injection molding nozzle

Details Injection molding nozzle Injection molding nozzle

1988-08-30

1990-03-06

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With heating or cooling means for the system or system fluid

Heating means

239408, 239417, 2643287, 137197, B29D 2700

Patent

active

049059017

ABSTRACT:
A nozzle for injecting a viscous fluid, such as a molten plastic and a non-viscous fluid, such as a gas, includes a nozzle body having an inlet end, a discharge end and a flow passage for viscous fluid extending from the inlet end to the discharge end. A shut off valve device is provided for reciprocating in the nozzle body flow passage to control the flow of viscous fluid through the nozzle body discharge end. The shut off valve device includes a valve body and a non-viscous fluid flow passage provided in the valve body. A baffle device is located in the non-viscous fluid flow passage of the shut off valve for retarding a flow of viscous fluid in the non-viscous flow passage.

REFERENCES:
patent: 1166439 (1916-01-01), Corbin
patent: 2776671 (1957-01-01), Ferguson
patent: 3095006 (1963-06-01), Smith
patent: 3841354 (1974-10-01), McDonnell
patent: 4042660 (1977-08-01), Bishop
patent: 4078875 (1978-03-01), Eckhardt
patent: 4082226 (1978-04-01), Appleman et al.
patent: 4140672 (1979-02-01), Kataoka
patent: 4376625 (1983-03-01), Eckhardt
patent: 4427361 (1984-01-01), Saito
patent: 4443178 (1984-04-01), Fujita
patent: 4601870 (1986-07-01), Sasaki
patent: 4657496 (1987-04-01), Ozeki et al.
patent: 4681528 (1987-07-01), Maruyama et al.

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