APPARATUS FOR DELIVERING A WEB OF MATERIAL TO A CIGARETTE FILTER ROD MACHINE

摘要

1390506 Tobacco-smoke filter manufacture ROTHMANS INTERNATIONAL Ltd 4 May 1972 [4 May 1971] 13070/71 Heading A2C [Also in Division B8] In a cigarette filter manufacturing device, a paper web is passed between a pair of embossing rollers and then between fluted surfaces each flute having the cross sectional shape of an isosceles triangle of which the base diminishes in size along the length of the flute whilst the sides and height increase. The flutes at the centre of each surface are of greater height than those at the sides to concentrate material at the centre of filter rods produced in a downstream device.