Hauni-werke Korber & Co Kg.

Thomas Bahr

Werner Komossa

Hans-Adolf Barck

Peter Michel

The pressure of compressed air in one or more nozzles which convert successive increments of a running tow of filamentary filter material into a rodlike filler in a filter rod making machine is regulated in response to variations in the speed of the filler. This ensures that the resistance which the filter rod sections offer the flow of tobacco smoke does not deviate from an optimum value when the speed of the filler is reduced below the nominal speed. The pressure of air which is admitted to the nozzle or nozzles is regulated by a variable-speed blower which compresses air preparatory to admission into the nozzle or nozzles, or by installing in the conduit or conduits for one or more nozzles a pressure regulating valve which is adjusted by a servomotor in response to signals denoting the speed of the filler.

Method and apparatus for regulating the resistance of filter rod

Apparatus for recovering tobacco particles from unsatisfactory filter cigarettes has a rotary centrifugal aligning device which converts randomly supplied unsatisfactory cigarettes into a single file and transports successive cigarettes of the file past the peripheral surfaces of two rotary disc-shaped wrapper-engaging implements serving to break the wrappers and thus expose the tobacco-containing fillers for segregation from the wrappers and filters. The marginal portions of the implements are monitored by discrete photocells which generate signals on detection of cracks, chipping and/or other defects of the implements, and such signals are used to arrest the drive for the aligning device and for the implements. The interior of the aligning device is monitored by one or more detectors which generate signals denoting the quantity of unsatisfactory cigarettes in selected portions of the aligning device; such signals are used to interrupt the feed of unsatisfactory cigarettes to the aligning device when the detected quantity or quantities are outside of a preselected range.

Growing community of inventors

Glinde, Germany

Thomas Bahr