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1. (WO2018130346) REFINER DISC SEGMENT

Pub. No.:    WO/2018/130346    International Application No.:    PCT/EP2017/081679
Publication Date: Fri Jul 20 01:59:59 CEST 2018 International Filing Date: Thu Dec 07 00:59:59 CET 2017
IPC: D21D 1/30
B02C 7/12
B29C 64/00
Applicants: VALMET AB
Inventors: HEDLUND, Christer
Title: REFINER DISC SEGMENT
Abstract:
A disc-type refiner segment and a production method thereof are provided for refining lignocellulosic material, comprising providing production data of the disc-type refiner segment;supplying the production data to a 3D printer; 3D printing a pattern of the disc-type refiner segment; using the pattern of the disc-type refiner segment to generate a mold of the of the disc-type refiner segment; and molding or casting the disc-type refiner segment using the mold.