Abstract: The disclosure relates to a device for removing filtered substances from combustion processes from a filter under laboratory conditions. In some implementations, this comprises a mount for the filter and a rinsing means for rinsing out the filter in its mount by means of a liquid. It may also relate to a method for removing filtered substances from combustion processes from a mounted filter under laboratory conditions in order to analyse the filtrate, wherein the filter is rinsed out in its mount with a liquid.

Abstract: The invention relates to a do-it-yourself cigarette maker and its component assemblies, such as, a conveying device for cigarettes or tubes fitted with a lifting device, a device for shaping a tobacco rod fitted with a plucking roller, a tobacco rod conveyor fitted with a spring tappet, and a tube-aligning device with a narrowable slit for introducing the tube.

Abstract: The invention relates to a coaxial cigarette comprising a coaxial tobacco rod of a core and a rod periphery which contain different mixtures, the sheaths of the rod core and the rod periphery consisting of combustible material and a filter mouthpiece being provided at one end of the coaxial tobacco rod; according to the invention, the ratio of the draw resistance of the core per unit length to the packing density thereof lies in the range from about 0.13 to about 0.27 mm WC cm.sup.2 /mg whilst the ratio of the draw resistance per unit length of the rod periphery to the packing density thereof lies in the range of about 0.07 to about 0.11 mm WC cm.sup.2 /mg; the filter mouthpiece is a conventional preferably ventilated filter.