Claims (1)
1. Patentansprak: Lo) Forfaringssalt rid slipning av kulor A med koncentriska spar forsedda slipskivor, av vilka den. ena Or fast och har en utsparing for kulornas omblandande, kannetecknat darav, att kulorna, som pa. knit satt medelst en kulfangare (14) avstrykas frail slipskivorna, ledas i tvenne bagformiga banor, ar vilka den ena banan loper utanfOr den andra, sO att kulorna Iran den inre .sidan av uts-parningen tvangsledas till den yttre sidan, och kulorna frail den yttre sidan tvangsledas till den inre sidan, utan att de tyenne kulstrbmmarna komma i nagon som heist berating med varandra. 2:o) App arat for utforande av fOrfaringssattet enligt patentanspraket 1:o). kannetecknad darav, att den utgores av tvenne bagformiga banor (17, 18), som aro vridna At sinsemellan motsatta riktningar och gaende den ena banan (17) fran slipskivans yttre del mot densammas inre del utanfOr den andra banan (18), corn gar fran slipskivans inre del mot densammas yttre del. (HUrtill en ritning.) Stockholm 1920. PA. Norsterlt & &incr.1. Patent claim: Lo) Procedure salt for grinding balls A with concentric grooves provided with grinding wheels, of which it. one Or fixed and has a recess for the mixing of the balls, can be characterized by the fact that the balls, as pa. knit set by means of a ball catcher (14) is swept from the grinding wheels, guided in two rear-shaped paths, one path running outside the other, so that the balls Iran the inner side of the recess are forcibly guided to the outer side, and the balls from the the outer side is forcibly led to the inner side, without the tyenne ball currents coming into any one heist berating with each other. 2: o) Apparatus for carrying out the procedure according to patent claim 1: o). can be characterized in that it consists of two bag-shaped webs (17, 18), which are rotated in mutually opposite directions and going one web (17) from the outer part of the grinding wheel towards its inner part outside the other web (18), corn going from the inner part of the grinding wheel towards the outer part thereof. (For a drawing.) Stockholm 1920. PA. Norsterlt & & incr.