Method of monitoring filter rod sections in filter tipping machi

Tobacco – Cigar or cigarette making

Patent

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Details

131 76, 131 88, A24C 547, A24C 552, A24C 558, A24C 560

Patent

active

042840880

ABSTRACT:
A method of monitoring filters and sections in a filter tipping machine wherein pairs of coaxial plain cigarettes are united with filter plugs of double unit legnth by adhesive-coated bands. When a filter plug is missing, a mechanical or a photosensitive filter plug detector transmits a signal to a valve which admits compressed air to two nozzles to cause the plain cigarettes which are not separated by a filter plug to move toward each other so that a uniting band which is applied around the adjacent inner end portions of the thus shifted plain cigarettes can adequately connect the plain cigarettes to each other during further transport to a station where the united plain cigarettes can be readily segregated from satisfactory products.

REFERENCES:
patent: 3212507 (1965-10-01), Schubert
patent: 3699974 (1972-10-01), Powell et al.

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