Tob. Reporter, 2005, 131-2, 65, ISSN.0361-5693
Device for detecting a filling density of filler forming a cigarette
U.S. Patent 6,763,838, assigned to Japan Tobacco Inc., Tokyo, Japan. A device for detecting a shredded tobacco filling density in a tobacco rod includes four light sources arranged separately from one another at an angle of 45 degrees around a...