Multiple layer combining adapter

Details Multiple layer combining adapter Multiple layer combining adapter

B - Operations, Transporting

29

C

B29C 47/92 (2006.01) B29C 47/70 (2006.01)

Patent

CA 2395482

(57) Abstract: This invention relates to the field of multiple layer plastic extrusion, and more particularly to assemblies in which thin or micro-layers of polymer material are formed which polymer material may be from two or more individual extruders, and delivered to a multilayer combining adapter in association with an extruder die or other utilizations. The combining adapter of this invention is referred to herein as a flow velocity profiler (FVP) and includes a cartridge assembly body (20) that is formed with individual cavities (26) that receive on of plurality of individual precision layering insert (60). Changing individual inserts is less time intensive than changing an entire body as required in prior art. Image

L'invention concerne le domaine de l'extrusion de plastique multicouche, et plus particulièrement d'ensembles dans lesquels des couches minces ou des micro-couches de matière polymère sont formées, la matière polymère pouvant provenir d'au moins deux extrudeuses individuelles et pouvant être délivrée à un adaptateur de combinaison multicouche associé à une filière d'extrudeuse ou pour d'autres utilisations. L'adaptateur de combinaison de l'invention est décrit ici comme un profileur de débit (FVP) et comprend un bloc (20) composé de cavités individuelles (26) destinées à recevoir un des nombreux inserts individuels (60) formant des couches uniformes. Changer chaque insert individuel prend moins de temps que de changer un corps entier, comme dans l'état antérieur de la technique.

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