Electric heating – Heating devices – With heater-unit housing – casing – or support means
Reexamination Certificate
2007-04-17
2007-04-17
Evans, Robin (Department: 3742)
Electric heating
Heating devices
With heater-unit housing, casing, or support means
C219S534000, C219S536000, C425S549000
Reexamination Certificate
active
10543505
ABSTRACT:
A combined heater and heat diffuser for fitting to an injection nozzle (10) for moulding plastics materials, where the nozzle comprises a tubular metal core (12) with an injection duct (14) and a cylindrical lateral surface (13). The heater and heat diffuser includes a resistor (40) housed in a channel-shaped seat (32) formed in a cylindrical internal surface (30d) of a heat diffuser (30) made of a metal material of a tubular shape for fitting around the core (12) of the nozzle.
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Maenner et al.: “Duesen Richtig Einheizen” Kunststoffberater, Kunststoff Verlag, Isernhagen, DE, vol. 46, No. 1, May 1, 2001, p. 25, XP001005069 ISSN: 0172-6374.
Evans Robin
Patel Vinod
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