Intermittently heated injection molding apparatus

Details Intermittently heated injection molding apparatus Intermittently heated injection molding apparatus

1993-03-31

1995-01-17

Heitbrink, Tim

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Temperature control

26432815, 425549, B29C 4520

Patent

active

053821475

ABSTRACT:
In an intermittent heating apparatus for plasticized fluids in injection or similar moldings, heating medium passages are located outside the electric resistance heating tubes for a liquid or gas to pass therethrough while being in contact with the outer surfaces thereof, also provided is a heating/cooling device having both a high temperature heating medium heated to a high temperature close to the temperature at which said reaction of the raw material is rapidly promoted and a low temperature heating medium of a temperature range where the promotion of said reaction of the raw material can be neglected.

REFERENCES:
patent: 3196198 (1965-07-01), Rex
patent: 4370115 (1983-01-01), Miura
patent: 4433969 (1984-02-01), Gellert
patent: 4955804 (1990-09-01), Martell et al.
patent: 5055025 (1991-10-01), Muller

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