Patent ID: 9744737
Date: 2017-08-29
CPC Classifications: B02C,B30B

Claim:
1. A press roller for a roller press for briquetting, compacting or grinding granular material, the roller comprising: a roller core defining and centered on an axis; a roller sleeve secured on an outer surface of the roller core, having axial ends, and formed by a plurality of angularly distributed segments with mutually angularly confronting side faces, the segments each formed with respective completely annular fastening rings detachably securing the segments at each axial end to the roller core and engaging over the clamping shoulders of the segments, the rings each having an annular array of respective angularly spaced axial projections each at a respective one of the segments, each fittable in the pocket of the respective segment, and each having a generally radially inwardly directed second clamping face engageable with a respective one of the first clamping faces; and respective clamping bolts axially bracing the fastening rings against the segments and each extending axially through a respective one of holes such that tightening of the bolts presses the second clamping faces against the first clamping faces and presses the respective rings axially and radially inwardly against the segments.