Injection molding tool

Details Injection molding tool Injection molding tool

2008-05-27

2008-05-27

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...

C425S572000

Reexamination Certificate

active

11254504

ABSTRACT:
In an injection molding tool including at least one hot channel nozzle to which a melt is supplied via a hot channel structure which at its end remote from the hot channel nozzle includes an inlet opening which can be closed by a closure element which is axially movably supported in the inlet part of the hot channel adjacent the inlet opening, the hot channel is angled and the closure element extends in sealed relationship through an angled wall area of the hot channel structure for actuating the closure member, the inlet area and an operating device for actuating the closure member being disposed in a separate unit removably connected to the injection molding tool.

REFERENCES:
patent: 5460510 (1995-10-01), Gellert
patent: 6200126 (2001-03-01), Lohl
patent: 6575731 (2003-06-01), Olaru et al.
patent: 2004/0191357 (2004-09-01), Babin
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patent: 63 231917 (1988-09-01), None
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patent: 2000 025077 (2000-01-01), None
Bauscshe, G. et al. “Heisskanal Technik in Etagenwerkaeugen Hot Runner Technology in Multi-Daylight Moulds”,Kunstoffe, Carl Hanser Verlag, Munchen, vol. 85, No. 6, Jun. 1, 1995.
Bauscshe, G. et al. “Heisskanal Technik in Etagenwerkaeugen Hot Runner Technology in Multi-Daylight Moulds”,Kunstoffe, Carl Hanser Verlag, Munchen, vol. 85, No. 6, Jun. 1, 1995.

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