Roller structure and method for the manufacture thereof

Details Roller structure and method for the manufacture thereof Roller structure and method for the manufacture thereof

B - Operations, Transporting

02

C

B02C 4/30 (2006.01) A01B 29/02 (2006.01)

Patent

CA 2468884

A core (14), for example made of steel, is provided with a coating formed by an agglomerate (12) obtained by means of hardening of a mixture comprising a granulated stone material, preferably of the type having a high hardness factor and light colour, and a hardening resin, preferably an epoxy resin. Thus a roller or cylinder (10) of a non-porous external surface is manufactured, the roller being used for the processing of materials and products. For the manufacture of the roller (10), a formwork having a cavity for housing a core is prepared so as to provide an interspace which is filled with the aforementioned mixture, following which compacting of the mixture present in the interspace and then the resin hardening step are performed to obtain a non- porous agglomerate.

Un noyau, par exemple réalisé en acier, est revêtu d'une couche formée par un agrégat obtenu par durcissement d'un mélange comprenant un matériau de pierre granulé, de préférence du type présentant un coefficient de dureté élevé et une couleur claire, et une résine de durcissement, de préférence une résine époxyde. Le procédé de fabrication du rouleau comprend la préparation d'un coffrage comportant une cavité destinée à loger le noyau afin de réaliser un interstice que l'on remplit avec ledit mélange, suivie du compactage du mélange présent dans l'intervalle et une étape de durcissement avec la résine de durcissement.

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