Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Patent
1998-06-02
2000-02-22
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
C08F 606
Patent
active
060281669
ABSTRACT:
A method and apparatus for generating mixed and degassed resin. Resin is added to, and stored in, a feed tank where air is forced into the resin from the bottom of the tank to mix the resin. The resin is drawn into a hold tank through a feed-to-hold tank tube by creating a vacuum within the hold tank. Resin flows out of the tube and onto a rotating plate located within the hold tank. The rotating plate provides a surface area for degassing the resin and further directs the resin to an inner surface of the hold tank which provides additional surface area for degassing the resin. A hold tank proximity sensor detects when the hold tank is full of resin and the vacuum is terminated. A low level proximity sensor detects the absence of resin in a dispense tank and a crossover valve is opened, air pressure is applied to the hold tank and resin is forced from the hold tank and into the dispense tank via a hold-to-dispense tank tube. A high level proximity sensor detects the presence of resin in the dispense tank and the crossover valve is closed and the application of air pressure to the hold tank is terminated. A controller controls operation and the process which is continually repeated such that the dispense tank always has a ready supply of mixed and degassed resin.
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patent: 5024531 (1991-06-01), Will
patent: 5637268 (1997-06-01), Slattery
Dallas Semiconductor Corporation
Michl Paul R.
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