Method of and apparatus for making and processing streams of fib

Details Method of and apparatus for making and processing streams of fib Method of and apparatus for making and processing streams of fib

1988-01-29

1989-09-12

Millin, V.

Tobacco

Cigar or cigarette making

131 841, 131 844, 131905, 131906, 131908, A24C 514

Patent

active

048650544

ABSTRACT:
One or more streams of tobacco in a rod making machine are tested by several density monitoring units one of which employs a source of nuclear radiation and at least one other of which employs a source of optical radiation. The resulting density signals are evaluated and converted into signals which are devoid of the influence of changes of color and/or blend of fibrous material in the stream or streams and are used for segregation of defective rod-shaped articles and/or for controlled removal of surplus from the stream or streams.

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