Pelletizing device and blade head and/or grinding head for such a pelletizing device
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United States of America Patent
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Jul 14, 2015
Grant Date -
Oct 7, 2010
app pub date -
Aug 11, 2008
filing date -
Oct 24, 2007
priority date (Note) -
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Abstract
A pelletizer, preferably in the form of an underwater pelletizer, having a cutter and/or grinding head and a tool carrier is provided. The tool carrier can rotatably be driven about a tool carrier axis of rotation, and at least one cutting and/or grinding tool, which is attached to the tool carrier and is spaced from the tool carrier axis of rotation, is used to knock off plastic melt emerging from a pelletizer die plate and/or for grinding the pelletizer die plate. In one embodiment, the cutting and/or grinding tool rotates together with the tool carrier about its tool carrier axis of rotation, and in another embodiment, the cutting and/or grinding tool can rotate about its own axis of rotation relative to the tool carrier.
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