Cooling circuit for cooling neck rings of preforms

Details Cooling circuit for cooling neck rings of preforms Cooling circuit for cooling neck rings of preforms

B - Operations, Transporting

29

C

B29C 45/73 (2006.01) B29C 45/17 (2006.01)

Patent

CA 2565933

A cooling circuit for a neck ring of a preform is conformed to the surface of the neck ring by providing a neck ring in two parts. The first part supports the neck ring and provides strength and durability to the neck ring insert. The second part is formed of porous steel impregnated with highly thermally conductive metal and includes a cooling channel that provides substantially uniform cooling around the neck ring of the preform.

Cette invention concerne un circuit de refroidissement destiné à une bague de col d'une ébauche et adapté à la surface de la bague de col grâce à un une bague de col en deux parties. La première partie supporte la bague de col et fournit résistance et durabilité à l'insert de bague de col. La seconde partie est formée d'acier poreux imprégné d'un métal hautement conducteur thermiquement, et elle inclut un canal de refroidissement qui produit un refroidissement pratiquement uniforme autour de la bague de col de l'ébauche.

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