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US Patent 7744788 Process and apparatus for compounding and injection-moulding desiccant-filled polymers

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Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7744788
Date of Patent
June 29, 2010
Patent Application Number
12046499
Date Filed
March 12, 2008
Patent Citations Received
‌
US Patent 12109730 Systems and methods for manufacturing bulked continuous filament
0
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US Patent 11911930 Methods for manufacturing bulked continuous filament from recycled PET
0
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US Patent 11926930 Bulked continuous carpet filament manufacturing from polytrimethylene terephthalate
0
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US Patent 12070886 Systems and methods for manufacturing bulked continuous filament
0
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US Patent 11780145 Method for manufacturing recycled polymer
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US Patent 11840039 Systems and methods for manufacturing bulked continuous filament from colored recycled PET
0
Patent Primary Examiner
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Jill L. Heitbrink
Patent abstract

Disclosed is an injection moulding machine, comprising an extruder for continuously producing a melt of a desiccant-filled polymer; at least one injection device fluidly connected with the extruder by a first conduit to receive melt and including an injection ram movable to a forward position for injection of melt into an injection mould and a rear position for introduction of melt into the injection device; characterized in that the injection moulding machine further comprises a sensor which allows determination of the viscosity or melt flow index of the desiccant-filled polymer. Further disclosed is a method of operating such a compounder-type injection moulding machine.

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