US Patent 7743773 Over-wrap for smoking article

An over-wrap for connecting a tobacco rod and a cigarette filter. The over-wrap includes a tipping wrapper and a plurality of raised ribs extending from the tipping wrapper and forming a plurality of channels between the tipping wrapper and the plug wrap. The plurality of channels allow air to flow from a tobacco rod end of the filter to a plurality of ventilation holes within a plug wrap of the filter when the over-wrap is wrapped around the filter and tobacco rod.