Device for verification and correction of the transverse dimensi

Details Device for verification and correction of the transverse dimensi Device for verification and correction of the transverse dimensi

1985-12-23

1987-08-25

Apley, Richard J.

Tobacco

Cigar or cigarette making

Molding or forming

131906, 131 841, A24C 534, G01B 712

Patent

active

046885838

ABSTRACT:
The device disclosed comprises at least two optical detectors, each of which having two optical assemblies, diametrically opposed in relation to the rod exiting from a cigarette making machine, and a light-sensitive component consisting of an array of charge-coupled devices of the type used for scanning images. With each scan, the detectors emit signals reflecting the transverse dimensions of the rod which are first compared with a threshold signal reflecting the nominal diameter of the rod, and then utilized in conjunction with stepping motors to control devices which correct the transverse dimensions of the rod.

REFERENCES:
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patent: 3854587 (1974-12-01), McLoughlin et al.
patent: 4033360 (1977-07-01), Niehow et al.
patent: 4189841 (1980-02-01), Loepfe
patent: 4198165 (1980-04-01), Kirschstein
patent: 4208578 (1980-06-01), McLoughlin et al.
patent: 4350170 (1982-09-01), Baier
patent: 4413637 (1983-11-01), Irving
patent: 4474190 (1984-10-01), Brand
patent: 4535789 (1985-08-01), Irving et al.

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