Apparatus for removing residues from parts of plastics processin

Details Apparatus for removing residues from parts of plastics processin Apparatus for removing residues from parts of plastics processin

1989-05-19

1990-04-24

Coe, Philip R.

Cleaning and liquid contact with solids

Apparatus

With heating, cooling or heat exchange means

134105, 134188, 134192, 134195, B08B 308

Patent

active

049191616

ABSTRACT:
An apparatus for removing plastic residues from parts of plastics processing machines includes a vessel which is closed in air tight manner by a lid and contains a liquid heat transfer fluid which is heated by heating elements to a temperature above the melting point of the plastic material adhering to the parts. For shortening the working cycle for heating and cooling the heat transfer fluid and also for shortening the cleaning process per se, the interior of the vessel cooperates with a pump which circulates the heat transfer fluid. In order to prevent a decomposition of the heat transfer fluid, inert gas is introduced into the space above the liquid level of the heat transfer fluid for displacing the prevailing air volume.

REFERENCES:
patent: 2151354 (1939-03-01), Osuch
patent: 3319638 (1967-05-01), Ellison
patent: 3613699 (1971-10-01), Holm
patent: 4375819 (1983-03-01), Kyatt
patent: 4474199 (1984-10-01), Blaudszun
patent: 4611614 (1986-09-01), Schmidt
patent: 4823819 (1989-04-01), Schmidt

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