Heating cylinder for attachment to an injection nozzle for...

Details Heating cylinder for attachment to an injection nozzle for... Heating cylinder for attachment to an injection nozzle for...

2008-05-06

2008-05-06

Heitbrink, Tim (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

C264S328150

Reexamination Certificate

active

07367796

ABSTRACT:
A hollow heating cylinder for attachment to an injection nozzle for an injection molding system. An elongated heating cartridge is spirally wound on the outside of the cylinder. The heating cartridge contains two electrically heatable heat conductors which are electrically separated from one another and are located in different regions in the longitudinal direction of the heating cartridge. One heat conductor is positioned for heating the mouth region of the nozzle and the other heat conductor is positioned for heating the shank region of the nozzle.

REFERENCES:
patent: 3997098 (1976-12-01), Van Petten
patent: 4755126 (1988-07-01), Leverenz
patent: 4882469 (1989-11-01), Trakas
patent: 4902219 (1990-02-01), Leverenz
patent: 4913912 (1990-04-01), Leverenz
patent: 5180594 (1993-01-01), Trakas
patent: 5871786 (1999-02-01), Hume et al.
patent: 7108502 (2006-09-01), Gellert et al.

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