Internally heatable nozzle having a divisible housing and a divi

Electric heating – Heating devices – Combined with container – enclosure – or support for material...

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Details

219424, 219530, 264329, 26432815, 425144, 425549, 425547, F27B 1400

Patent

active

042309344

ABSTRACT:
An internally heatable nozzle provided with a divisible housing having a cylindrical bore narrowed at one end towards the mouth opening of the nozzle in which bore a cylindrical core is connected at one end in said housing, said core being divisible in transverse direction, its two parts being provided with directly adjacent flanges, which flanges have throughgoing axially channels lying in the extension of the annular channel of the housing and which flanges fit in between inner shoulders on the two parts of the housing, between which parts tensile elements are operative tightening the core parts together, the core being conical at one end and being provided with an internal heating element with connecting leads passed laterally through said housing, an annular channel being arranged between said core and said housing on the side remote from the mouth opening.

REFERENCES:
patent: 3010155 (1961-11-01), Gilmore
patent: 3822856 (1974-07-01), Gellert
patent: 3941540 (1971-03-01), Driscoll et al.
patent: 3970821 (1976-07-01), Crandell
patent: 4161386 (1979-07-01), Osuna-Diaz

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