Agitating – In vacuum chamber
Patent
1999-02-04
2000-06-20
Cooley, Charles E.
Agitating
In vacuum chamber
366 75, 366 88, 366143, 366323, 425203, B01F 1306, B01F 708
Patent
active
060769548
ABSTRACT:
A cast polymer integral mixing and vacuum processor system and method for delivering substantially void-free viscous polymer employs a motor connected to a mixing screw. A tube surrounds the mixing screw with one end of the tube being fixedly connected relative to the motor. The mixing screw has a thread thereon having varying pitch zones. In a loading thread pitch zone a relatively wide thread pitch is provided for receiving dry material filler at a filler input and resin at a resin input. At a first mixing and sealing thread pitch zone, a relatively narrow thread pitch is provided so as to form a vacuum seal and provide mixing of the resin with the filler material. At a void removal thread pitch zone a substantially wide thread pitch is provided and at which a vacuum tower is located in which a vacuum is maintained to remove voids formed by gas in mixed material. Finally, at a second mixing and sealing thread pitch zone adjacent the nozzle a relatively narrow thread pitch is provided so as to form a vacuum seal and for further mixing of catalyst which is introduced adjacent one end of the second mixing and sealing thread pitch zone.
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EM-45/3 Continuous Casting Machine--GISCO.
CP-45VAC Continuous Vacuum Processor--GISCO.
Cooley Charles E.
Gisco, Inc.
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