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AssigneeHauni-Werke Korber & Co. KG
InventorsGunter Wahle, Uwe Heitmann, Erwin Oesterling, Rolf Dahlgrun
Estimating the term…
A web which is converted into wrappers of plain or filter cigarettes, or the wrapper or each cigarette is perforated by needles, teeth, punching tools, sparks or laser beams prior to arrival of corresponding cigarettes at a pneumatic testing station. The testing device at such station transmits signals which denote the permeability of successive wrappers, and the signals are compared with a reference signal denoting the desired permeability of wrappers. If the monitored permeability deviates from the desired permeability, the device which makes holes in the web or in the wrappers is automatically adjusted to change the combined area of holes.
A method of regulating the permeability of wrappers of rod-shaped articles which constitute or form part of smokers' products, comprising the steps of making holes in the wrappers so as to permit entry of atmospheric air when the respective products are lighted at one end and a column of tobacco smoke is drawn through the other end thereof;
The method of calim 1, wherein said first mentioned step comprises rotating the articles about their respective axes and removing the material of wrappers on rotating articles.
In a machine for the production and/or processing of rod-shaped articles which constitute or form part of smokers' products and wherein a wrapper surrounds at least one rod-like filler, the combination of means for transporting a succession of wrappers along a predetermined path;
Dependencies are inferred from the claim text.