Plastic and nonmetallic article shaping or treating: processes – Formation of solid particulate material directly from molten... – Utilizing centrifugal force or rotating forming zone
Patent
1994-02-14
1995-03-07
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Formation of solid particulate material directly from molten...
Utilizing centrifugal force or rotating forming zone
264 13, 264 37, 264299, B29B 910
Patent
active
053955609
ABSTRACT:
An apparatus for extruding a mass onto a moving support mechanism. A first cylinder for receiving the mass within its interior has an exit channel through which the mass is forced. A second cylinder is disposed about the first cylinder for relative rotation with respect to the first cylinder. The second cylinder includes a plurality of forming channels which repeatedly aligned with the exit channel of the first cylinder during relative rotation of the cylinders and through which the mass is forced. A plurality of nozzles are formed in the outer surface of the second cylinder and are shaped and arranged for guiding the excess mass away from the exit ends of the forming channels during at least a portion of the rotational movement of said second cylinder and for guiding the excess mass into the extruded mass at the extruding position of the apparatus.
REFERENCES:
patent: 4279579 (1981-07-01), Froeschke
patent: 4623307 (1986-11-01), Froeschke
patent: 4850833 (1989-07-01), Pinto et al.
patent: 5013498 (1991-05-01), Froeschke
Berndorf Belt Systems, Inc.
Theisen Mary Lynn
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