Device for detecting a filling density of filler forming a rod-shaped article
AssigneeJapan Tobacco Inc.
InventorTakehiro Suzuki
Life of this patent
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Abstract
A device for detecting a shredded tobacco filling density in a tobacco rod includes four light sources (18, 20, 22 and 24) arranged separately from one another at an angle of 45° around a tobacco rod (T) and causing infrared rays to enter the tobacco rod (T), two light receivers (26 and 28) disposed around the tobacco rod (T) on a side opposite to the four light sources and arranged separately from each other at an angle of 90°, and a measuring device (44) for measuring the shredded tobacco filling density in the tobacco rod (T) based on outputs from the light receivers (26 and 28).
Claims11
A device for detecting a filling density of filler forming a rod-shaped article, comprising:
- light incidence means for causing inspection light to enter the rod-shaped article, said light incidence means including a plurality of light sources disposed in a predetermined arcuate area surrounding the rod-shaped article adjacently to each other in a circumferential direction of the rod-shaped article and causing the inspection light to enter the rod-shaped article in an identical cross section of the rod-shaped article;
- light-receiving means for receiving the inspection light from the rod-shaped article, said light-receiving means including at least one light receiver disposed in an area other than said arcuate area in the circumferential direction of the rod-shaped article so as not to face any of said light sources, said light receiver receiving the inspection light emitted from the rod-shaped article along said cross section, and generating a signal indicative of the received-light quantity;
- and
- measuring means for measuring a filling density of the filler based on the signal from the light-receiving means.
Dependencies are inferred from the claim text.