DEVICE FOR THE PRODUCTION OF MULTI-LAYER TUBES
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United States of America Patent
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Issued Date -
May 6, 2010
app pub date -
Mar 20, 2008
filing date -
Mar 29, 2007
priority date (Note) -
Abandoned
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Abstract
A device for the production of multi-layer tubes (A), in particular foam core tubes, with an extruder arrangement (1), wherein the extruder arrangement (1) includes at least two extruders (2,3) for the production of melt, with at least one tube head (4) for forming the melt and with at least one calibration basket (5) to set the shaping and with at least one outlet (6) for transporting the produced multi-layer tube (A) is embodied and further developed with regard to a particularly favourably-priced production such that the calibration basket (5) is adjustable in diameter, so that the multi-layer tubes are changeable in their dimension in continuous operation.
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