SAETT ATT NEUTRALISERA ELEKTROSTATISKA LADDNINGAR PAA EN ROERLIG BANA SAMT ANORDNING FOER UTFOERANDE AV SAETTET

摘要

In order to neutralise electrostatic charges on a movable web (2), an alternating voltage of the order of from about 10,000 V to about 15,000 V and a frequency of from about 1000 Hz to about 3000 Hz is supplied to a conductive brush (1) spaced from the movable web (2).