METHOD AND HIGH-PRESSURE MIXING DEVICE FOR FILLED POLYURETHANE RESINS
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United States of America Patent
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Issued Date -
Jun 3, 2010
app pub date -
Dec 3, 2009
filing date -
Dec 3, 2008
priority date (Note) -
Abandoned
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Abstract
A method and device for high-pressure mixing of polyurethane components, in which one of the polyurethane components is pre-mixed with a filler material and/or with an additive. The device comprises a mixing chamber into which first and second polyurethane components are radially injected, and a slide valve which moves between a fore or closure position and a rear or opening position of the mixing chamber. The slide valve at its fore end is provided with a feeding chamber for a third polyurethane component pre-mixed with the filler material and/or additive, and an outlet hole; a cleaning pin for the outlet hole slides into a longitudinal guide hole of the slide valve.
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