Method and apparatus for granulating plastic
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United States of America Patent
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Feb 26, 2008
Grant Date -
May 18, 2006
app pub date -
Nov 28, 2005
filing date -
Jun 24, 1999
priority date (Note) -
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Abstract
A granulator has a first coarse cutting stage operating at between 5 and 45 rotations per minute and a second fine cutting stage operating at two to ten times the speed of the first stage. Since granulate exiting the second stage is uniformly divided, the granulator operates independent of a screen. A first cutter stage has cutting segments having blades interspersed with deflector segments about a shaft. Rotation of the shaft urges the blades past a spaced stationary cutter.
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