Patent ID: 7308735
Filing Date: 2007-12-18
Classification: A24D

Abstract:
1. Roller pair for tensioning strands of filter material in the manufacture of cigarette filters with a first roller made of metal which is rotatably driven by a drive and a second roller of which the surface consists of a resilient material, the two rollers being mounted on one side on a frame or the like and the second roller being pivotally mounted about a horizontal axis perpendicular to its longitudinal axis, away from the first roller and towards the latter, and an actuation device for pivoting the second roller, characterised in that the second roller ( 14 ) can be driven by a drive ( 20 ) via a second drive shaft ( 46 ) and an articulated shaft ( 62 ) and is mounted such that the size of the gap between the rollers ( 12 , 14 ) can be altered along its length to adapt to the thickness of the material.