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US 4,907,607 AGranted
Process and device for testing cigarettes or the like for faults
AssigneeFocke & Co. (GmbH & Co.)
InventorsHeinz Focke, Kurt Liedtke
Life of this patent
Estimating the term…
Abstract
For testing cigarettes, a test head confronts end faces of the cigarettes. Light beams emitted by a light transmitter are transmitted through those cigarettes having a tobacco deficiency. The transmitted light exits from sides of the defective cigarettes and is received by a transversely arranged receiver responsive to light transmitted through the cigarette paper.
Claims14
A testing device for testing the tobacco content of a cigarette comprising:
- a light source means for directing light to the cigarette under test;
- light receiver means for receiving the light from said light source means which enters said cigarette, is transmitted through at least a portion of said cigarette, and exits said cigarette from other than the points where the light enters the cigarette;
- test head means for receiving the cigarette under test such that light from said light source means is directed to an end face of said cigarette, said test head means including light receiver retaining means for locating and retaining said light receiver means at an angle to the longitudinal axis of said cigarette;
- said light receiver means including a plurality of light receivers and said test head means including means for receiving a plurality of cigarettes to receive light from said light source means and for holding a plurality of light receivers.
1 more element
Dependencies are inferred from the claim text.