Needle valve nozzle

Details Needle valve nozzle Needle valve nozzle

2007-04-02

2010-11-02

Heitbrink, Tim (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means between charger and mold to cut off flow of...

C425S566000

Reexamination Certificate

active

07824176

ABSTRACT:
A feature of a needle valve nozzle positioned in a hot-runner injection mould and actuated by means of an actuator, where the direction of actuation of the shut-off needle and that of the flow channel in the hot-runner nozzle differ from one another, is that, in the closed position, the shut-off needle (13), as distinct from the actuation device (12), is held in position, in the closed position, exclusively by the cooler mould plate (2) at at least two locations at a distance from one another.

REFERENCES:
patent: 4595552 (1986-06-01), Hahn
patent: 5509797 (1996-04-01), Nakamura
patent: 5511968 (1996-04-01), Guzzini et al.
patent: 5834041 (1998-11-01), Sekine et al.
patent: 2003/0068404 (2003-04-01), Murayama et al.
patent: 102005024331 (2006-01-01), None
patent: 07-144347 (1995-06-01), None
patent: 07-251428 (1995-10-01), None
“Ewikon—Heiβkanalforum mit Produktpremiere”. Plastverarbeiter, [Online] May 22, 2006, URL: http://www. plastverarbeiter.de
ews/6b78fddafe9.html.
“Hotline Feb. 2006”, Kundenzeitschrift Ewikon, [Online] Oct. 2006 sections 1-8. URL:http://www.ewikon.de/dowload/prospekte/hotline—022006.pdf.

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