Patent ID: 9308682
Filing Date: 2016-04-12
CPC Classification: B29C,D01D

Claim Text:
1. A device for the production of strand-shaped products such as synthetic bands, fiber strands, monofilaments or films, which are extruded from a polymer melt, comprising: an extrusion device; a cooling device located downstream of the extrusion device; two or more thermal processing devices located downstream of the cooling device and disposed between a plurality of powered roller feed units wherein all of the thermal processing devices are disposed one above another in a multi-level manner, with the roller feed units located opposite one another at both ends of the thermal processing devices such that product passes through adjacent thermal processing devices in opposing directions, each thermal processing device including a heating channel disposed between an input opening and an output opening to guide strand shaped products; each heating channel including a separate heating device for independently heating the respective heating channel; each separate heating device including a heating element and a blower to generate hot air within the heating channel, the heating element and the blower configured to be controlled independently of the other heating elements and blowers; a thermal insulating layer disposed between adjacent heating channels.