Plastic foil web guide tensioning arm reduces unwanted noise emissions during withdrawal of the web from spool

摘要

A plastic foil web (2) is withdrawn from a spool (1) over a series of rollers (3.2,3) one of which (3.2) remains in contact with the roll of plastic as this reduces in diameter. The web roller (3.2) is held in contact with the surface (7) by a tensioning arm guide (9).