Process for manufacturing multilayer pellets and use of the...

Details Process for manufacturing multilayer pellets and use of the... Process for manufacturing multilayer pellets and use of the...

2006-01-17

2006-01-17

Le, H. Thi (Department: 1773)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C264S109000, C264S128000

Reexamination Certificate

active

06986945

ABSTRACT:
A process for manufacturing multilayer pellets having a core-sheath structure with a molding material forming a sheath which covers the outer circumference of another molding material forming a core, which includes (a) supplying the core material and the sheath material to a die extruder having multiple extrusion-forming parts arranged along a circumference, (b) extruding multiple multilayer strands from the extrusion-forming parts by covering around the outer circumference of the core material concentrically with the sheath material, and (c) cutting the extruded multilayer strands to manufacture multilayer pellets.

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