Roller pair for stretching strips of filter material

Details Roller pair for stretching strips of filter material Roller pair for stretching strips of filter material

2007-12-18

2007-12-18

Hurley, Shaun R. (Department: 3765)

Textiles: fiber preparation

Working

Drafting

Reexamination Certificate

active

10518130

ABSTRACT:
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, the second roller able to be driven by a drive via a second drive shaft and an articulated shaft and being mounted such that the size of the gap between the rollers can be altered along its length to adapt to the thickness of the material.

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