Patent ID: 6213850
Filing Date: 2001-04-10
Classification: B24B,B29D

Abstract:
An apparatus for producing raw edge belts, the apparatus comprising:a main spindle roller mounted horizontally and designed to hold square-cut ring-shaped belts, and a tension roller which is provided with ribs or flanges at its ends and with a required number of partition rings between the ribs and located beneath the main spindle roller, being parallel with said main spindle roller and installed so that it can be raised or lowered,a first rotary grindstone having a plural number of V-forms same as the number of the said belts in its peripheral section and capable of coming close to or moving away from said main spindle roller and being mounted on the upstream side of the direction of rotation of said main spindle roller, anda second rotary grindstone having a plural number of V-forms same as the number of the said belts in its peripheral section and capable of coming close to or moving away from said main spindle roller and being mounted on the downstream side of the direction of rotation of said main spindle roller.