Nozzle for injection molding machines

Details Nozzle for injection molding machines Nozzle for injection molding machines

1977-12-19

1979-07-17

Briggs, William R.

Plastic article or earthenware shaping or treating: apparatus

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

With means to heat or cool

239133, 425547, B29F 100

Patent

active

041613864

ABSTRACT:
An internally heated injection molding machine nozzle which permits heater removal and replacement without the necessity of removing the nozzle from the mold. The nozzle also reduces inventory requirements by having interchangeable components. The nozzle comprises a shank housing with interchangeable shanks and bodies mounted at the forward end and a removable cap at the rearward end together with a heater retaining plug. The heater may be removed from the rear merely by removing the cap and plug while the nozzle is still mounted in the mold.

REFERENCES:
patent: 2911680 (1959-11-01), Kelly
patent: 3189948 (1965-06-01), Whitney
patent: 3499189 (1970-03-01), Perras
patent: 3800027 (1974-03-01), Tsutsumi
patent: 3822856 (1974-07-01), Gellert
patent: 4033485 (1977-07-01), Kohler

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