Extrusion die plate

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 47/30 (2006.01)

Patent

CA 2598387

A perforated resin extrusion end plate (10) with a curved or arcuate perforated section suitable for use in making extruded foamed polymer strand foam bodies, extruded filled polymer strand articles of manufacture or extruded composites of fibrous organic material and a thermoplastic material such as a wood-plastic composite. The die plate does not fracture under conditions that produce fracturing of a flat perforated die plate with the same perforated area and thickness.

L'invention concerne une plaque d'extrémité perforée pour l'extrusion d'une résine, comportant une section perforée incurvée ou arquée, pouvant être utilisée pour la fabrication de corps extrudés sous forme de torons en polymère expansé, d'articles de fabrication extrudés sous forme de torons en polymère chargé ou de composites extrudés en matière organique fibreuse et un matériau thermoplastique tel qu'un composite à base de bois et de plastique. Cette filière ne se brise pas dans des conditions produisant la rupture d'une filière plane possédant la même surface perforée et la même épaisseur.

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