Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Temperature control
Patent
1994-11-29
1996-02-06
Davis, Robert B.
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Temperature control
100 50, 100 93P, 100 99, 100246, 425149, 425384, 425407, 425441, 425DIG46, B29C 4302, B30B 1534
Patent
active
054892007
ABSTRACT:
A compress/melt waste processor includes a frame; a chamber housing having walls which define a chamber therein; a ram movably disposed in the chamber; a sensor which senses pressure applied by the ram; an actuator operatively connected to the ram to move the ram; a chamber hatch upon which the housing is mounted, the chamber housing walls, the ram and the chamber hatch defining a space therebetween; and a device for feeding contaminated plastic waste into the chamber. The apparatus also includes a device for heating the housing walls, the ram and the chamber hatch; a device for cooling the housing walls, the ram and the chamber hatch, a device for detecting temperature of the housing walls, the ram, the chamber hatch and the contaminated plastic waste in the chamber; and a control device for controlling the actuator and the heating and cooling devices. The control device activates the actuator so that the ram applies pressure to the contaminated plastic waste and also activates the heating device such that pressure and heat are concurrently applied to the plastic waste until the plastic waste reaches a predetermined temperature. The control device also activates the cooling device when a predetermined temperature has been reached in order to cool the heated plastic waste.
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Mold-Making Handbook, Klaus Stoeckhert, (p. 158), MacMillan Publishing (1).
Drake, Jr. John L.
Hane Thomas H.
McGraw Peter S.
Borda Gary G.
Davis Robert B.
The United States of America as represented by the Secretary of
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