Injection molding probe with insulation and locating hoop portio

Details Injection molding probe with insulation and locating hoop portio Injection molding probe with insulation and locating hoop portio

1987-08-19

1988-10-11

Albritton, C. L.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219523, 425549, F27B 1400

Patent

active

047773480

ABSTRACT:
An integral heated probe for an injection molding system. The hoop has an insulation and locating hoop portion which bridges an insulative air space and abuts against a circumferential shoulder to accurately locate the probe in a well in the cavity plate. The hoop portion encloses a number of adjacent insulative air chambers which extend circumferentially in the steel body. The hoop portion is brazed in place in a vacuum furnace to be an integral part of the probe. Thus, it provides additional hoop or bursting strength and the air chambers reduce the heat loss through the hoop portion to the cooled cavity plate.

REFERENCES:
patent: 4120086 (1978-10-01), Crandell
patent: 4376244 (1983-03-01), Gellert
patent: 4576567 (1986-03-01), Gellert
patent: 4611394 (1986-09-01), Gellert
patent: 4648546 (1987-03-01), Gellert
patent: 4669971 (1987-06-01), Gellert

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