Dosage device for continuously extruding and applying a spacer profile of an insulating glazing unit

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United States of America Patent

PATENT NO 11248414
APP PUB NO 20180038154A1
SERIAL NO

15668443

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Abstract

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A dosage device for extruding a monocomponent or a bicomponent polymeric product, particularly for an automatic machine for forming a spacer frame, includes a first dosage assembly and a separate second dosage assembly for the dosage and feeding of the product, which can be activated, in a first feeding step and in a third feeding step, alternately so that one of them provides continuity of flow to an extrusion nozzle while the other one is in the reloading step. The first and second dosage assemblies are activated, in a second swapping step that is intermediate with respect to the first and third feeding steps, simultaneously and jointly, one of them having a flow-rate ramp that passes from the steady-state value to zero and the other one complementarily having a flow-rate ramp that passes from zero to the steady-state value.

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Patent Owner(s)

  • FOREL SPA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Vianello, Fortunato Frazione Vallio, IT 26 104
Vianello, Riccardo Frazione Vallio, IT 10 4

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